オカグレート List of Products and Services

We would like to introduce the "Safety Walker L.D. (Liner Design)" handled by Okagreat Co., Ltd. The "Safety Walker L.D. (Liner Design) U-shaped gutter type" has a top surface made of a panel structure, making it resistant to twisting and impact from vehicle tires, which helps prevent the grating from breaking. It is also ideal for preventing damage. Additionally, due to its design, debris such as stones and garbage are less likely to get caught in the grating, preserving the aesthetics. The top surface features multiple slit holes in a special steel plate known as "patterned steel plate," balancing drainage and strength. Furthermore, it has been reported that its anti-slip effect surpasses that of conventional types. Please feel free to consult us when you need assistance. 【Features】 ■ Safety (durable panel structure) ■ Reliability (non-slip patterned steel plate) ■ Strength (up to maximum T-14 load) ■ Lightweight (lighter than fine mesh) ■ Aesthetics (prevents clogging) ■ Damage prevention (distributes force over a surface) * For more details, please refer to the PDF document or feel free to contact us.

• Grating

The "Dustless Hook" is an item designed to simplify the maintenance efforts that can occur with fine mesh grating. It is not just a tool for simply removing the grating; it is a product equipped with various added values to facilitate maintenance after the grating has been installed. With a design that fits comfortably in the hand when gripped, it is a tool that allows for easy removal of small stones and debris caught in the holes. 【Features】 - The upper tip of the grip has a serrated finish, making it easier to catch foreign objects like small stones that have entered the gaps. - The recessed area transmits force effectively when dropping foreign objects downwards. - A design that combines ease of grip with various functions. - The hooking part is finely processed to accommodate fine mesh types. - Utilizes the principle of leverage to enable removal tasks with minimal effort. *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Neo-Slit" trench covers and general drainage channel types handled by Okagreat Co., Ltd. (from on-site cast drainage channels to exteriors and various situations). We thoroughly pursue improvements in the issues of "slipping," "falling," and "getting caught" that are required of grating. Compared to conventional grating, the refined design and the 2% slope from both ends to the center created by the patterned steel plate on the top surface achieve a high balance of "drainage performance" and "anti-slip" effect. 【Features】 ■ Beautiful pearlescent patterned steel plate covering the product surface (anti-slip effect) ■ 2.0% drainage slope towards the central slit on the surface of the steel plate (high drainage performance) ■ Structure that minimizes water accumulation on the lid (design quality) ■ Barrier-free design that does not obstruct pedestrian or wheelchair access ■ Safety (durable surface material structure) ■ Reliability (non-slip due to patterned steel plate) ■ Strength (up to maximum T-14 load) ■ Lightweight (lighter than fine mesh) ■ Aesthetic (prevention of clogging) ■ Damage prevention (force distributed over the surface) *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Neo-Slit" trench covers and bolt-fixed type handled by Okagreat Co., Ltd. (from site-cast gutters to exteriors and various scenarios). We thoroughly pursue improvements in "slipping," "falling," and "getting caught," which are required for grating. Compared to conventional grating, the refined design and the 2% slope from both ends to the center created by the patterned steel plate on the top surface achieve a high balance of "drainage performance" and "anti-slip" effect. 【Features】 ■ Beautiful pearlescent patterned steel plate covering the product surface (anti-slip effect) ■ 2.0% drainage slope towards the central slit on the surface of the steel plate (high drainage performance) ■ Structure that minimizes water accumulation on the top of the cover (design quality) ■ Barrier-free design that does not obstruct pedestrian traffic or wheelchair access ■ Safety (durable surface material structure) ■ Reliability (non-slip due to patterned steel plate) ■ Strength (up to maximum T-14 load) ■ Lightweight (lighter than fine mesh) ■ Aesthetic (prevention of clogging) ■ Damage prevention (force distributed over the surface) *For more details, please refer to the PDF materials or feel free to contact us.

• Grating

We would like to introduce the "Neo-Slit" raised type handled by Okagreat Co., Ltd. (For JIS drainage ditches. Also suitable for various VS (free slope) types, prefectural types, Ministry of Land, Infrastructure, Transport and Tourism types, and former Ministry of Construction types.) We thoroughly pursue improvements in "slipping," "falling," and "getting caught" that are required for grating. Compared to conventional grating, the refined design and the 2% slope from both ends to the center created by the patterned steel plate on the top surface achieve a high balance of "drainage performance" and "anti-slip" effect. 【Features】 ■ Beautiful pearlescent patterned steel plate covering the product surface (anti-slip effect) ■ 2.0% drainage slope towards the central slit on the surface of the steel plate (high drainage performance) ■ Structure that minimizes water accumulation on the top of the cover (design quality) ■ Barrier-free design that does not obstruct pedestrian or wheelchair passage ■ Safety (durable surface material structure) ■ Reliability (non-slip due to patterned steel plate) ■ Strength (up to maximum T-14 load) ■ Lightweight (lighter than fine types) ■ Aesthetic (prevention of clogging) ■ Damage prevention (force is distributed over the surface) *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Neo-Slit" type drainage grate handled by Okagreat Co., Ltd. We thoroughly pursue improvements in the issues of "slipping," "falling," and "getting caught" that are required of grates. Compared to conventional grates, the refined design and the 2% slope from both ends to the center created by the patterned steel plate on the top surface achieve a high balance of "drainage performance" and "anti-slip" effect. 【Features】 ■ Beautiful pearlescent patterned steel plate covering the product surface (anti-slip effect) ■ 2.0% drainage slope towards the central slit on the surface of the steel plate (high drainage performance) ■ Structure that minimizes water accumulation on the lid (design quality) ■ Barrier-free design that does not obstruct pedestrian or wheelchair access ■ Safety (durable surface material structure) ■ Reliability (less slippery due to patterned steel plate) ■ Strength (up to maximum T-14 load) ■ Lightweight (lighter than fine mesh) ■ Aesthetic (prevents clogging) ■ Damage prevention (distributes force over the surface) *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Neo-Slit" U-shaped drainage channel handled by Okagreat Co., Ltd. We thoroughly pursue improvements in the issues of "slipping," "falling," and "getting caught" that are required of grating. Compared to conventional grating, the refined design and the 2% slope from both ends to the center created by the patterned steel plate on the top surface achieve a high balance of "drainage performance" and "anti-slip" effect. 【Features】 ■ Beautiful pearlescent patterned steel plate covering the product surface (anti-slip effect) ■ 2.0% drainage slope towards the central slit on the surface of the steel plate (high drainage performance) ■ Structure that minimizes water accumulation on the top of the cover (design quality) ■ Barrier-free design that does not obstruct pedestrian traffic or wheelchair access ■ Safety (durable surface material structure) ■ Reliability (non-slip due to patterned steel plate) ■ Strength (up to maximum T-14 load) ■ Lightweight (lighter than fine mesh) ■ Aesthetic (prevents clogging) ■ Damage prevention (distributes force over a surface) *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Premium Expanded Metal" general drainage type handled by Okagreat Co., Ltd. We thoroughly pursue improvements in the issues of "slipping," "falling," and "getting caught" that are required of grating. Compared to conventional grating, our product achieves a sophisticated design and high "anti-slip" effectiveness through the use of special steel plate expanded metal. This applies not only to general drainage use such as site-cast grating but also to various types of recessed grates, drainage covers, and specially sized drainage covers. **Features** - Beautiful pearlescent patterned steel plate expanded metal covering the product surface (anti-slip effect) - Structure that makes it difficult for coins and keys to fall (design quality) - Barrier-free design that does not hinder pedestrian or wheelchair access - Safety (durable surface material structure) - Reliability (non-slip due to patterned steel plate expanded metal) - Strength (up to maximum T-25 load) - Lightweight (lighter than fine mesh) - Aesthetic (prevents clogging) - Damage prevention (distributes force over a surface) *For more details, please refer to the PDF document or feel free to contact us.*

• Aluminum fence/Iron fence

We would like to introduce the "Premium Expanded Metal" raised type handled by Okagreat Co., Ltd. We thoroughly pursue improvements in the issues of "slipping," "falling," and "getting caught" that are required for grating. Compared to conventional grating, it achieves a sophisticated design and high "anti-slip" effect through the use of special steel plate expanded metal. (For JIS drainage ditches, as well as for various VS (free slope) types, prefectural types, Ministry of Land, Infrastructure, Transport and Tourism types, and former Ministry of Construction types, etc.) 【Features】 ■ Beautiful pearlescent patterned steel plate expanded metal covering the product surface (anti-slip effect) ■ Structure that makes it difficult for coins and keys to fall (design) ■ Barrier-free design that does not hinder pedestrian or wheelchair access ■ Safety (durable structure that is hard to break) ■ Peace of mind (anti-slip due to patterned steel plate expanded metal) ■ Strength (up to maximum T-25 load) ■ Lightweight (lighter than fine mesh) ■ Aesthetic (prevention of clogging) ■ Damage prevention (distributes force over a surface) *For more details, please refer to the PDF document or feel free to contact us.

• Aluminum fence/Iron fence

We would like to introduce the "Premium Expanded Metal" type of drainage pit handled by Okagreat Co., Ltd. We thoroughly pursue improvements in the issues of "slipping," "falling," and "getting caught" that are required for grating. Compared to conventional grating, our product features a refined design and high "anti-slip" effectiveness due to the use of special steel plate expanded metal. This applies not only to drainage pits for on-site pouring but also to various types of drop-in grates, settling pits, and grates with special dimensions. **Features** - Beautiful pearlescent patterned steel plate expanded metal covering the product surface (anti-slip effect) - Structure that makes it difficult for coins and keys to fall (design quality) - Barrier-free design that does not obstruct pedestrian or wheelchair access - Safety (durable surface material structure) - Reliability (anti-slip properties of patterned steel plate expanded metal) - Strength (up to maximum T-25 load) - Lightweight (lighter than fine mesh) - Aesthetic (prevention of clogging) - Damage prevention (distributes force over a surface) *For more details, please refer to the PDF document or feel free to contact us.*

• Aluminum fence/Iron fence

We would like to introduce the "Premium Expanded Metal" U-shaped gutter type handled by Okagreat Co., Ltd. We thoroughly pursue improvements in the issues of "slipping," "falling," and "getting caught" that are required of grating. Compared to conventional grating, our product features a sophisticated design and high "anti-slip" effectiveness due to the use of special steel plate expanded metal. (Please consult us regarding U-shaped gutters for concrete secondary products, bench flumes, and other special groove widths for on-site cast gutters.) 【Features】 ■ Beautiful pearlescent patterned steel plate expanded metal covering the product surface (anti-slip effect) ■ Structure that makes it difficult for coins and keys to fall (design quality) ■ Barrier-free design that does not obstruct pedestrian or wheelchair access ■ Safety (durable surface material structure) ■ Reliability (non-slip due to patterned steel plate expanded metal) ■ Strength (up to maximum T-14 load) ■ Lightweight (lighter than fine mesh) ■ Aesthetic (prevention of clogging) ■ Damage prevention (distributes force over a surface) *For more details, please refer to the PDF document or feel free to contact us.

• Aluminum fence/Iron fence

We would like to introduce "Water Through," which is handled by Okagreat Co., Ltd. "Water Through" is a product that not only improves drainage capacity but also combines ease of maintenance and enhanced safety during use. By maintaining a distance of over 100 meters to the first auxiliary component on the upstream side of the main body and providing a slider plate on the upstream side of the receiving frame, the flow of rainwater is stabilized. It demonstrates its effectiveness during significant rainfall events such as recent typhoons, heavy rains, and linear precipitation zones. This overflow prevention grating enhances rainwater absorption performance and increases drainage capacity. It has become possible to capture a large volume of water, which has increased in force, through the slider plate into the drainage channel. 【Features】 - Prevents the cover from floating up by combining the cover body and the receiving frame. - The gaps that may occur after installation are covered by the slider plate, promoting smooth drainage. - The receiving frame, cover, and road surface are nearly flat, eliminating tripping hazards for pedestrians and impacts on vehicles. *For more details, please refer to the PDF materials or feel free to contact us.

• Grating

We would like to introduce "Super Drain," handled by Okagreat Co., Ltd. It forms a drainage channel along the curb, draining water from above and infiltrated water from permeable asphalt. A slim and smart slit grating. The gutter-shaped receiving frame has a cross-sectional shape (D-type frame) that prevents debris accumulation. It features a slide-locking mechanism to prevent popping up. Both the lid and receiving frame are made of steel with a hot-dip galvanized finish. Please feel free to consult us when you need assistance. 【Features】 ■ Excellent water flow ■ Easy to clean ■ Outstanding safety *For more details, please refer to the PDF document or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel

We would like to introduce "Super Drain," handled by Okagreat Co., Ltd. It forms a drainage channel along the curb, draining water from above as well as infiltrated water from permeable asphalt. A slim and smart slit grating. The U-shaped receiving frame has a cross-section design (D-type frame) that minimizes debris accumulation. It is bolt-fixed to prevent lifting. Both the cover and the receiving frame are made of steel with a hot-dip galvanized finish. It is installed in familiar locations. Please feel free to consult us when you need assistance. 【Features】 ■ Excellent water flow ■ Easy to clean ■ Outstanding safety *For more details, please refer to the PDF document or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel

We would like to introduce "Super Drain," handled by Okagreat Co., Ltd. The "Pin Fixed Type" features a one-touch pin and is available in 10 different sizes, including a main body size of 348×95×25mm and a receiving frame size of 350×103.4×50mm. Please feel free to contact us when you need assistance. 【Features】 ■ Excellent flow performance ■ Easy to clean ■ Outstanding safety *For more details, please refer to the PDF document or feel free to contact us.

• Waterproof tape, adhesive, drain, protective panel

We would like to introduce the "Jointer" <for circular drainage channels, insert type> handled by Okagreat Co., Ltd. The "Jointer" is a splash-proof connecting cover for circular drainage channels that does not require bolt fixation. The main body is lifted and the connecting parts are crossed and connected. After connection, there are no gaps even when the main body is stretched or bent. After connection, it allows for linear extension of about 12mm on one side, and can be installed without gaps even in curved sections. Additionally, there are various types available, including steel galvanized grating type, stainless steel type, checker plate type, and patterned plate type. 【Features】 ■ Easy installation by simply connecting the main body and inserting it into the concrete channel ■ Allows for linear extension of about 12mm on one side after connection, and can be installed without gaps even in curved sections ■ Fixed to the concrete by the bumps on the side of the main body, ensuring effective splash prevention and noise reduction measures *For more details, please refer to the PDF document or feel free to contact us.

• Inspection hatches, manhole covers, and ditch covers

We would like to introduce the "Steel Basket <PBG>" handled by Okagreat Co., Ltd. It is made of SGMCC (hot-dip galvanized aluminum-magnesium alloy coated steel), which has excellent corrosion resistance. You can easily pick up precious metals, keys, and other items if they fall. Please feel free to consult us when you need assistance. 【Features】 ■ Easily pick up precious metals, keys, and other items if they fall ■ Prevents debris such as fallen leaves and cigarette butts from entering drainage pits ■ Has 10 to 20 times the corrosion resistance compared to hot-dip galvanized steel *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

The "Scraper" is an item designed to solve the problems that inevitably arise when removing grating and concrete covers. By having corners in various shapes, it can be applied to all types of drainage shapes. It is useful for various purposes, such as preventing the accumulation of debris or the buildup of sand and soil. The surface is treated with hot-dip galvanizing to protect against rust and corrosion. Please feel free to consult us when you need assistance. 【Features】 ■ The surface is treated with hot-dip galvanizing to protect against rust and corrosion. ■ The handle is easy to grip even when wearing work gloves. *For more details, please refer to the PDF materials or feel free to contact us.

• Work tools

"Design Pit" is a groundbreaking product that expresses various slip-resistant patterns on the surface of the lid in silhouette, pursuing aesthetic appeal. By adding the accent of "patterns" to products that are constantly in view in shared spaces where people gather (such as bathrooms and pools), it leaves a special impression on those who see it. Not only does it serve the function of drainage, but it also adds a new value of "design" that is visually appealing, enhancing the atmosphere in a wide range of environments as a decorative product. 【Features】 ■ Safe and secure design considerate of people ■ Custom original designs available ■ Production limited to board thickness t=3mm *For more details, please refer to the PDF materials or feel free to contact us.

• Inspection hatches, manhole covers, and ditch covers

We would like to introduce the "Aluminum Grating" handled by Okagreat Co., Ltd. "Aluminum Grating" comes in trench cover type and catch basin type! Available in standard and fine mesh. The surface can be plain or non-slip. (For various settings such as school kitchens, meal centers, cooking areas, food factories, and replacement of existing drainage covers) It is incredibly lightweight compared to traditional steel and stainless steel gratings. Removing the grating covers for cleaning and maintenance is easy. Anodizing is also possible, allowing for changes in the color of the grating. 【Features】 ■ Main material of the grating: Aluminum ■ Lightweight ■ Strength (for pedestrian load) *For more details, please refer to the PDF document or feel free to contact us. 【Color Treatment】 ■ Aluminum color ■ Bronze ■ Black *For more details, please refer to the PDF document or feel free to contact us.

• Grating

"Neo Rainbow" is a stainless steel grating product with high corrosion resistance, featuring lines formed in various colors that enhance urban landscapes over the long term, and it also has a high anti-slip effect. (Suitable for site-cast gutters, exteriors, buildings, apartments, commercial facilities, and other outdoor structures.) The filling material, "ceramic material," has a high friction coefficient, providing excellent anti-slip performance. Therefore, it can be used safely in places with a high concentration of pedestrians, such as office buildings, commercial facilities, and medical and welfare facilities. [Features] - Hybrid grating of stainless steel and ceramic - Main materials available in two types: plain and non-slip - Main material pitch can be selected according to application - Structure that makes it difficult for the ceramic filling to peel off *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Rainbow Grating" in the "General Side Drain Type" handled by Okagreat Co., Ltd. A patterned steel plate is affixed to the center of the grating, enhancing its aesthetic appeal, while slits are provided on both sides and a long hole is placed in the center, ensuring good drainage. The filler is designed to be difficult to detach, with the patterned steel plate overlapping from both sides. We offer ceramic and stone as fillers, allowing you to choose your preferred color to match the surrounding scenery. The patterned steel plate and filler are arranged on the top of the grating, maintaining sufficient strength for wheel loads. The load capacity ranges from pedestrian use to T-14 load. Standard products are available in seven sizes with channel widths of 200, 250, 300, 350, 400, 450, and 500. Please feel free to consult us for custom sizes or for concrete secondary products. If you have any inquiries, please do not hesitate to contact us. 【Color Variations】 ■ Yellow ■ Red ■ Blue ■ Green ■ White *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Rainbow Grating" with the "trench cover and bolt-fixed type" handled by Okagreat Co., Ltd. A patterned steel plate is affixed to the center of the grating, enhancing its aesthetic appeal, while slits are provided on both sides and a long hole in the center, ensuring good drainage. The filler is designed to be difficult to peel off, with the patterned steel plate overlapping from both sides. The fillers are available in ceramic and stone, allowing you to choose your preferred color to match the surrounding scenery. The patterned steel plate and filler are placed on top of the grating, maintaining sufficient strength for wheel loads. The load capacity ranges from pedestrian use to T-14 loads. Standard products are available in seven trench widths: 200, 250, 300, 350, 400, 450, and 500. Please feel free to consult us for custom sizes or for use with concrete secondary products. If you have any inquiries, please feel free to contact us. 【Color Variations】 ■ Yellow ■ Red ■ Blue ■ Green ■ White *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Rainbow Grating" "Raised Type" handled by Okagreat Co., Ltd. A patterned steel plate is attached to the center of the grating, enhancing its aesthetic appeal. Slits are provided on both sides, and a long hole is placed in the center, ensuring good drainage. The filler is designed to be difficult to peel off, with the patterned steel plate overlapping from both sides. We offer ceramic and stone as filler materials, allowing you to choose your preferred color to match the surrounding scenery. The patterned steel plate and filler material are placed on the top of the grating, maintaining sufficient strength for wheel loads. The load capacity ranges from pedestrian use to T-14 loads. Standard products are available for JIS drainage channels in sizes 250, 300, 400, and 500. Please feel free to consult us for custom sizes or longitudinal gratings for concrete secondary products. [Color Variations] ■ Yellow ■ Red ■ Blue ■ Green ■ White *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Rainbow Grating" in the "Catch Basin Type" handled by Okagreat Co., Ltd. A patterned steel plate is affixed to the center of the grating, enhancing its aesthetic appeal, while slits are provided on both sides and a long hole is placed in the center, ensuring good drainage. The filler is designed to be difficult to peel off, with the patterned steel plate overlapping from both sides. We offer ceramic and stone as fillers, allowing you to choose your preferred color to match the surrounding scenery. The patterned steel plate and filler are placed on top of the grating, maintaining sufficient strength for wheel loads. The load capacity ranges from pedestrian use to T-14 loads. Standard products are available for catch basin openings of 300×300, 400×400, 450×450, 500×500, and 600×600. Please feel free to consult us for custom sizes or for concrete secondary products. If you have any inquiries, please do not hesitate to contact us. 【Color Variations】 ■ Yellow ■ Red ■ Blue ■ Green ■ White *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Rainbow Grating" in the "U-shaped Drain Type" handled by Okagreat Co., Ltd. The grating features a patterned steel plate in the center, enhancing its aesthetic appeal, with slits on both sides and elongated holes in the center, providing excellent drainage. The filler is designed to be difficult to peel off, as the patterned steel plate overlaps from both sides. We offer ceramic and stone as fillers, allowing you to choose your preferred color to match the surrounding scenery. The patterned steel plate and filler are arranged on the top of the grating, maintaining sufficient strength for wheel loads. The load capacity ranges from pedestrian use to T-14 loads. Standard products are available for U-150, U-180, U-200, U-240, U-300, U-360, U-400, and U-450. Please feel free to consult us for custom dimensions or other concrete secondary products. If you have any inquiries, please do not hesitate to contact us. 【Color Variations】 ■Yellow ■Red ■Blue ■Green ■White *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Eco Wood" grating of the Mizobuta type handled by Okagreat Co., Ltd. The Eco Wood grating is made from domestically sourced thinned wood and small-diameter timber that has been treated for preservation! It is surrounded by a steel frame, demonstrating excellent strength and durability. "Eco Wood" uses treated "wood" from domestically sourced thinned wood and small-diameter timber as its main material, creating a sense of "beauty, tranquility, and warmth unique to wood" that steel grating cannot provide, making it a new grating that matches the surrounding nature. It is suitable for various settings such as exteriors, parks, and commercial facilities. By using domestically sourced thinned wood and small-diameter timber, it also contributes to local forestry. Additionally, upon request, we can specify the thinned wood used on a prefectural basis. 【Features】 ■ Resource-circulating grating made from thinned wood and small-diameter timber ■ Environmentally friendly preservation treatment that resists decay ■ Utilizes the beauty, tranquility, and warmth of wood ■ Each piece of thinned wood and small-diameter timber can be replaced individually ■ The gaps in the main material are designed with a fine pitch for walking comfort *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Eco Wood" grating, a raised type handled by Okagreat Co., Ltd. The Eco Wood grating is made from domestic thinned wood and small-diameter timber that has been treated for preservation! It is surrounded by a steel frame, demonstrating excellent strength and durability. "Eco Wood" uses treated domestic thinned wood and small-diameter timber as its main material, creating a new type of grating that exudes the unique beauty, tranquility, and warmth of wood, which is not found in steel grating, and matches the surrounding nature. It is suitable for various settings such as exteriors, parks, and commercial facilities. By using domestic thinned wood and small-diameter timber, it also contributes to local forestry. Additionally, upon request, we can specify thinned wood by prefecture for use. 【Features】 ■ Resource-circulating grating made from thinned wood and small-diameter timber ■ Environmentally friendly preservation treatment that resists decay ■ Utilizes the beauty, tranquility, and warmth of wood ■ Each piece of thinned wood and small-diameter timber can be replaced individually ■ The gaps in the main material are designed with a fine pitch for walking comfort *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Eco Wood" grating, a raised type handled by Okagreat Co., Ltd. The Eco Wood grating is made from domestically sourced thinned wood and small-diameter timber that has been treated for preservation! It is surrounded by a steel frame, demonstrating excellent strength and durability. "Eco Wood" uses treated "wood" from domestically sourced thinned wood and small-diameter timber as its main material, creating a sense of beauty, tranquility, and warmth unique to wood, which matches well with the surrounding nature, making it a new type of grating not found in steel grating. It is suitable for various settings such as exteriors, parks, and commercial facilities. By using domestically sourced thinned wood and small-diameter timber, it also contributes to local forestry. Additionally, upon request, we can specify the thinned wood to be used on a prefectural basis. 【Features】 ■ Resource-circulating grating using thinned wood and small-diameter timber ■ Environmentally friendly preservation treatment, resistant to decay ■ Utilizes the beauty, tranquility, and warmth of wood ■ Each piece of thinned wood and small-diameter timber can be replaced individually ■ The gaps in the main material are designed with a fine pitch for walking comfort *For more details, please refer to the PDF materials or feel free to contact us.

• Grating

We would like to introduce the 'Eco Wood' grating with a flange type handled by Okagreat Co., Ltd. The Eco Wood grating is made from domestic thinned wood and small-diameter timber that has been treated for preservation! It is surrounded by a steel frame, demonstrating excellent strength and durability. 'Eco Wood' uses treated domestic thinned wood and small-diameter timber as its main material, creating a unique beauty, tranquility, and warmth that steel grating cannot offer, making it a new grating that matches the surrounding nature. It is suitable for various settings such as exteriors, parks, and commercial facilities. By using domestic thinned wood and small-diameter timber, it also contributes to local forestry. Additionally, upon request, we can specify thinned wood by prefecture for use. 【Features】 ■ Resource-circulating grating using thinned wood and small-diameter timber ■ Environmentally friendly preservation treatment that resists decay ■ Utilizes the beauty, tranquility, and warmth of wood ■ Each piece of thinned wood and small-diameter timber can be replaced individually ■ The gaps in the main material are designed with a fine pitch for pedestrian consideration *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We offer "Eco Wood" as a unique specification upon request. You can create original designs with branding through burning. By branding city emblems, logos, text, family crests, etc., the natural texture of the wood is further emphasized. Additionally, it is possible to have the steel frame in various colors. An earth-tone finish creates a more calming atmosphere. Using domestically sourced thinned wood and small-diameter timber treated for preservation as the main bar (primary material), we apply original design branding to create a one-of-a-kind original grating that cannot be found elsewhere! 【Service Details】 ■ Various branding options ■ Various frame colors *For more details, please refer to the PDF document or feel free to contact us.

• Grating

"EcoPura" is a product made from recycled plastic that contributes to the effective use of resources and a circular society. The main material (main bar) is made from 100% recycled plastic and has received Eco Mark certification. The calm color tones match various landscapes, such as asphalt. The gaps between the materials are designed with a fine specification, ensuring a barrier-free design that considers people. 【Features】 ■ Safe passage for wheelchairs and strollers ■ Fits public facilities like playgrounds and parks ■ Easy to disassemble, can be replaced one by one ■ Color tones that blend into asphalt *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "EcoPla" general side ditch type handled by Okagreat Co., Ltd. "EcoPla" is a product made from recycled plastic that contributes to the effective use of resources and a circular society. The main material (main bar) is made from 100% recycled plastic and has received Eco Mark certification. Its subdued color tones match various landscapes, such as asphalt. The gaps between the materials are designed with a fine specification, ensuring a barrier-free design that considers people. 【Features】 ■ Safe passage for wheelchairs and strollers ■ Fits public facilities such as playgrounds and parks ■ Easy to disassemble and replace one by one ■ Color tones that blend into asphalt *For more details, please refer to the PDF materials or feel free to contact us.

• Grating

We would like to introduce the "EcoPla" raised type handled by Okagreat Co., Ltd. "EcoPla" is a product made from recycled plastic that contributes to the effective use of resources and a circular society. The main material (main bar) is made from 100% recycled plastic and has received Eco Mark certification. Its subdued color tones match various landscapes, such as asphalt. The gaps between the materials are designed with a fine specification, ensuring a barrier-free design that considers people. 【Features】 ■ Safe passage for wheelchairs and strollers ■ Fits public facilities such as playgrounds and parks ■ Easy to disassemble and replace one by one ■ Color tones that blend into asphalt *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Eco-Pla" type of masubuta handled by Okagreat Co., Ltd. "Eco-Pla" is a product made from recycled plastic that contributes to the effective use of resources and a circular society. The main material (main bar) is made from 100% recycled plastic and is certified with the Eco Mark. Its subdued color tone matches various landscapes, such as asphalt. The gaps between the materials are designed with a fine specification, ensuring a barrier-free design that considers people. 【Features】 ■ Safe passage for wheelchairs and strollers ■ Fits public facilities such as playgrounds and parks ■ Easy to disassemble and replace one by one ■ Color tone that blends into asphalt *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the 'EcoPla' type with a flange, handled by Okagreat Co., Ltd. 'EcoPla' is a product made from recycled plastic that contributes to the effective use of resources and a circular society. The main material (main bar) is made from 100% recycled plastic and has received Eco Mark certification. Its subdued color tones match various landscapes, such as asphalt. The gaps between the materials are designed with a fine specification, ensuring a barrier-free design that considers people. 【Features】 ■ Safe passage for wheelchairs and strollers ■ Fits public facilities such as playgrounds and parks ■ Easy to disassemble, can be replaced one by one ■ Color tones that blend into asphalt *For more details, please refer to the PDF document or feel free to contact us.

• Grating

The "Eco Pro Guard" is a drainage channel fall prevention cover that features a design harmonious with the landscape and excellent safety. It is an outstanding product for environmental conservation of drainage channels, which are essential for a comfortable life, and for preventing various accidents that occur in these channels. Thanks to its unique structure, it boasts strength capable of withstanding the weight of passenger cars and heavy snowfall. Additionally, it has excellent corrosion resistance due to its plating process. 【Features】 ■ Lightweight and easy to install ■ Exceptional strength and durability ■ Prevents accidents ■ Useful in emergencies such as disasters ■ Prevents contamination of drainage channels *For more details, please refer to the PDF document or feel free to contact us.

• Gutters and U-shaped gutters

"Barrier Through" is an easy-to-install, lightweight, and durable cover designed to prevent falls into water channels. It not only considers the strength when a person is on it but also takes into account the risk of feet getting caught, featuring a mesh size of 50mm x 50mm. Compared to commonly used drainage covers, it is lightweight and easy to handle, and since the interior of the water channel is also mesh-like, it allows for visual inspection of flow conditions without removing the cover, making cleaning work easy. 【Lineup】 ■ Type A - A type that has anti-shift welding on the underside of the mesh to fit the water channel. ■ Type B - A type that adjusts height and fits using a U-shaped bent mesh for road drainage. ■ Type C - A type that adjusts height and fits using a U-shaped bent mesh for road drainage. *For more details, please refer to the PDF document or feel free to contact us.

• Inspection hatches, manhole covers, and ditch covers

We would like to introduce the "Steel Grating" of the serrated type for general drainage ditches, handled by Okagreat Co., Ltd. (This product is suitable for various situations, including on-site drainage ditches, public works, private projects, and replacement of existing drainage covers. It has a long-standing reputation in the grating industry with numerous delivery records for projects involving the Ministry of Land, Infrastructure, Transport and Tourism, prefectures, cities, civil engineering offices, and commercial facilities and residential land development.) A standard in grating. The main component (main bar) features a standard mesh with a twist bar pitch of 50mm, making it difficult for cart wheels to fit into the grating. It achieves both high "drainage performance" and "anti-slip" effects with its serrated pattern. 【Features】 ■ Grating main component: Serrated pattern (anti-slip effect) ■ Twist bar pitch of 50mm (high drainage performance) ■ Strength (up to maximum T-25 load) ■ Made of steel (SS400) ■ Hot-dip galvanized finish ■ The receiving frame is standard in black paint (galvanizing of the receiving frame is also available as an option). *For more details, please refer to the PDF document or feel free to contact us.

• Grating

Steel zinc-coated finished grating, trench cover type! Standard serrated type. Twist bar pitch of 50 mm. We would like to introduce the "steel grating" of serrated type for drainage ditches handled by Okagreat Co., Ltd. (From site-cast ditches to public works, private construction, replacement of existing ditch covers, and various scenarios. This is a long-standing standard product in the grating industry with numerous delivery achievements for the Ministry of Land, Infrastructure, Transport and Tourism, prefectures, cities, civil engineering offices, private commercial facilities, and land development projects, etc.) A standard grating. The main material (main bar) has a standard mesh, and with a twist bar pitch of 50 mm, it is difficult for wheels of carry bags and carts to get stuck, while achieving both high "drainage performance" and "anti-slip" effect with the serrated pattern. 【Features】 ■ Grating main material: Serrated pattern (anti-slip effect) ■ Twist bar pitch of 50 mm (safety) ■ Strength (up to maximum T-25 load) ■ Made of steel (SS400) ■ Hot-dip galvanized finish ■ The receiving frame is standard in black paint. Galvanizing of the receiving frame is also available as an option.

• Grating

We would like to introduce the "Steel Grating" of the grip type for general side ditches, handled by Okagreat Co., Ltd. (From on-site cast side ditches to public works, private projects, and replacement of existing side ditch covers, this product is used in various situations. It has been a staple product supporting social infrastructure from the post-war high economic growth era to today, with numerous delivery records for national and local governments, civil engineering offices, and private commercial facilities and residential land development.) A standard for grating. The main component (main bar) has a standard mesh size, and the twist bar pitch is 100 mm, making it difficult for leaves and other debris to clog the grating, achieving both high "drainage performance" and "anti-slip" effects with its grip pattern. 【Features】 ■ Grating main component: Grip pattern (anti-slip effect) ■ Twist bar pitch of 100 mm (high drainage performance) ■ Strength (up to maximum T-25 load) ■ Made of steel (SS400) ■ Hot-dip galvanized finish ■ The receiving frame is standard in black paint. (Galvanizing of the receiving frame is also available as an option) *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the 'Steel Grating' of the grip type for cross gutters and drop-in type, handled by Okagreat Co., Ltd. (From on-site cast gutters to public works, private projects, and replacement of existing gutter covers, it is a standard product that has supported social infrastructure from the post-war high economic growth period to today, with numerous delivery achievements in various situations, including national and local governments, civil engineering offices, and private commercial facilities and land development.) A standard grating. The main component (main bar) has a regular mesh, and with a twist bar pitch of 100 mm, it is less likely to clog with leaves and other debris, achieving both high "drainage performance" and "anti-slip" effect with the grip pattern. 【Features】 ■ Main component of the grating: Grip pattern (anti-slip effect) ■ Twist bar pitch of 100 mm (high drainage performance) ■ Strength (up to maximum T-25 load) ■ Made of steel (SS400) ■ Hot-dip galvanized finish ■ The receiving frame is standard in black paint. (Galvanizing of the receiving frame is also available as an option) *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the "Steel Grating" of the serrated type for general drainage ditches, handled by Okagreat Co., Ltd. (This product is suitable for various situations, including on-site drainage ditches, public works, private construction, and replacement of existing drainage covers. It has been a long-standing standard product in the grating industry with numerous delivery achievements for the Ministry of Land, Infrastructure, Transport and Tourism, prefectures, cities, civil engineering offices, and private commercial facilities and land development projects.) A standard grating. The main component (main bar) has a fine pitch with a twist bar pitch of 100 mm. The fine mesh of the grating prevents carry bags and cart wheels from getting stuck. Additionally, it achieves both "drainage" and "anti-slip" effects with its serrated pattern. 【Features】 ■ Grating main component: Serrated pattern (anti-slip effect) ■ Twist bar pitch of 100 mm (safety) ■ Strength (up to maximum T-25 load) ■ Made of steel (SS400) ■ Hot-dip galvanized finish ■ The receiving frame is standard in black paint. Galvanizing of the receiving frame is also available as an option.) *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the 'Steel Grating' of the fine grip type for cross gutters, handled by Okagreat Co., Ltd. (From site-cast gutters to public works, private projects, and replacement of existing gutter covers, it is used in various situations. This standard product has supported social infrastructure from the post-war high economic growth era through the Showa, Heisei, and Reiwa periods, with numerous delivery records, including projects for the Ministry of Land, Infrastructure, Transport and Tourism, prefectures, cities, civil engineering offices, and private commercial facilities and residential land development.) A standard grating. The main component (main bar) is fine-pitched, with a twist bar pitch of 100 mm. The fine pitch of the grating prevents wheels of carry bags and carts from getting stuck. Additionally, it achieves both "drainage" and "anti-slip" effects with its grip pattern. 【Features】 ■ Main component of the grating: Grip pattern (anti-slip effect) ■ Twist bar pitch of 100 mm (safety) ■ Strength (up to maximum T-25 load) ■ Made of steel (SS400) ■ Hot-dip galvanized finish ■ The receiving frame is standard in black paint, with optional plating available for the receiving frame.) *For more details, please refer to the PDF document or feel free to contact us.

• Grating

We would like to introduce the materials of the steel plate products we handle. In addition to the "checkered steel plate," which is well-known for its anti-slip effect, we also offer "patterned steel plates" and "striped steel plates," which have even greater anti-slip properties and excellent design. Furthermore, surface treatments include "hot-dip galvanized finish" and "SG coating" for corrosion resistance, as well as "rust-proof color painting" to coordinate various construction sites. We cater to the Ministry of Land, Infrastructure, Transport and Tourism, prefectures, public works, cities, steep slopes, vertical drainage, and splash prevention boards. In addition to steel, we also provide stainless steel checkered plates, patterned FRP, and aluminum checkered plates (5 stripes). 【Features】 ■ Steel "checkered steel plate" (thickness 3.2 mm, 4.5 mm, 6.0 mm, 9.0 mm, etc.) - Exhibits high anti-slip effect ■ Steel "patterned steel plate" (thickness 2.3 mm, 3.2 mm, 4.5 mm, etc.) - Features random unevenness on the surface - Particularly excellent anti-slip effect when wet with oil or water ■ Steel "striped steel plate" - Equipped with ribbing in line on the surface - The direction of the stripes smooths the flow, while perpendicular to the stripes provides a strong grip effect *For more details, please refer to the PDF document or feel free to contact us.

• Inspection hatches, manhole covers, and ditch covers