List of Road, bridge and tunnel materials products
- classification：Road, bridge and tunnel materials
316～360 item / All 3093 items
The most weather-resistant reinforced glass curved mirror, with a mirror surface that has high affinity with water, allowing rainwater to wash away dirt, keeping it clean for a long time and making ma...
- Road signs and road accessories
Finish the concrete surface in an optimal condition! Angle adjustment of the float pan is possible!
- Paving Materials
A concrete finisher that is easy to handle, achieving reduced construction time and improved construction quality!
- Paving Materials
For general drainage ditches such as on-site casting. Additionally, for drop-in type grates, drainage covers, and drainage covers with special dimensions.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
Laser processing and hot-dip galvanizing finish for striped steel plates! For tunnel inspection road installation work, please let us know your requests for "products like this."
- Road facilities
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High Ten Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
A solid feeling at your feet. The evolving shape of the grating, "Safety Walker."
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
Essential item as a cover for concrete secondary products "U-shaped gutters." We have a proven track record of numerous deliveries for public and private construction projects. A standard product for ...
- Gutters and U-shaped gutters
The theft prevention for U-shaped drainage grates is also effective in preventing rattling noise. It does not require the installation of fasteners for concrete secondary products and is a tightly fix...
- Secondary paving products
When you want to know, 'What types of vehicles can the grating's load capacity handle?' ... for your reference... the end.
- Grating
We have uploaded information regarding the load capacity of the grating and the types of vehicles that can traverse it. We hope you find it helpful.
We have uploaded information regarding the load capacity and types of vehicles that can use the "grating" handled by Okagreat Co., Ltd. This is for reference in case you want to know, "What types of vehicles are safe for the load capacity of the 'grating'?" 【Load Types】 T-25, Total Weight W=25 tons, Vehicle Examples: Trailers, etc., Rear Wheel Load per Wheel: 100 kN, Wheel Contact Area: 20cm×50cm T-20, Total Weight W=20 tons, Vehicle Examples: Large Trucks, Dump Trucks, etc., Rear Wheel Load per Wheel: 80 kN, Wheel Contact Area: 20cm×50cm T-14, Total Weight W=14 tons, Vehicle Examples: Large Buses, Medium Trucks, etc., Rear Wheel Load per Wheel: 56 kN, Wheel Contact Area: 20cm×50cm T-6, Total Weight W=6 tons, Vehicle Examples: Small Trucks, etc., Rear Wheel Load per Wheel: 24 kN, Wheel Contact Area: 20cm×24cm T-2, Total Weight W=2 tons, Vehicle Examples: Regular Passenger Cars, etc., Rear Wheel Load per Wheel: 8 kN, Wheel Contact Area: 20cm×16cm *For more details, please visit our website. You can view the introduction page or check the PDF materials and URL links.
"Curved mirrors" provide safety and security beyond the corner. At the bend, there is a "curved mirror." An essential item for traffic infrastructure. Towards a safer traffic environment.
- Road signs and road accessories
"Grating Theft Prevention Chain!" (Includes chain, anchor, and shackle) The standard for preventing grating theft! Protect grating with a chain!
- Grating
The slit cover is made of steel with a galvanized finish, and the receiving frame is also made of steel with a galvanized finish. For U150, U180, U240, U300.
- Gutters and U-shaped gutters
The slit cover is made of stainless steel SUS304, and the frame is made of SUS jointed steel with a galvanized finish. For U150, U180, U240, U300.
- Gutters and U-shaped gutters
The slit cover is made of stainless steel SUS304, and the receiving frame is also made of SUS. For U150, U180, U240, U300.
- Gutters and U-shaped gutters
OG Super High-Tensile High-Strength Stainless Steel Grating New Model! 'Fine Great'! Exhibits high durability performance even under loads in the 'twisting' direction!
- Gutters and U-shaped gutters
The grating is clogged with small stones and debris, making it look unappealing... But with the "Safety Walker," due to its design, it is less likely to get clogged, is durable, and lightweight.
- Grating
We have uploaded information regarding the load capacity of the grating and the types of vehicles that can traverse it. We hope you find it helpful.
We have uploaded information regarding the load capacity and types of vehicles that can use the "grating" handled by Okagreat Co., Ltd. This is for reference in case you want to know, "What types of vehicles are safe for the load capacity of the 'grating'?" 【Load Types】 T-25, Total Weight W=25 tons, Vehicle Examples: Trailers, etc., Rear Wheel Load per Wheel: 100 kN, Wheel Contact Area: 20cm×50cm T-20, Total Weight W=20 tons, Vehicle Examples: Large Trucks, Dump Trucks, etc., Rear Wheel Load per Wheel: 80 kN, Wheel Contact Area: 20cm×50cm T-14, Total Weight W=14 tons, Vehicle Examples: Large Buses, Medium Trucks, etc., Rear Wheel Load per Wheel: 56 kN, Wheel Contact Area: 20cm×50cm T-6, Total Weight W=6 tons, Vehicle Examples: Small Trucks, etc., Rear Wheel Load per Wheel: 24 kN, Wheel Contact Area: 20cm×24cm T-2, Total Weight W=2 tons, Vehicle Examples: Regular Passenger Cars, etc., Rear Wheel Load per Wheel: 8 kN, Wheel Contact Area: 20cm×16cm *For more details, please visit our website. You can view the introduction page or check the PDF materials and URL links.
The appearance of the grating... It's clogged with small stones and debris. But with the "Safety Walker," due to its design, it's hard to get clogged, durable, and lightweight.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products are included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High-Tensile High-Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Wobble prevention, tires of road bikes and sports-type bicycles won't fit, and wheels of carts, carry cases, and hand trucks won't get stuck, among other issues. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
A safety walker installed at a famous ramen shop as a measure against large vehicle entrances and exits. It is structurally resistant to clogging, durable, and lightweight. The flatness feels great.
- Grating
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High-Tensile Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
Tunnel audit road installation work, etc., with laser processing and hot-dip galvanizing finish on corrugated steel plates! Please let us know your requests for "products like this."
- Tunnel Materials
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High-Tensile Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
The new model of OG Super High Tensile High Strength Stainless Steel Grating, "Fine Great"! It demonstrates high durability performance even under loads in the "twisting" direction!!
- Gutters and U-shaped gutters
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High-Tensile Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
"Safety Walker" installed at golf courses of companies listed on the Tokyo Stock Exchange Prime. It is designed to be resistant to clogging, durable, and lightweight. It has a good flat feel.
- Secondary paving products
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High-Tensile Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
OG Super High-Tensile High-Strength Stainless Steel Grating New Model! 'Fine Great'. Exhibits high durability performance even under loads in the 'twisting' direction!
- Grating
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High-Tensile Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
No need to attach fixtures to concrete secondary products. The grating for U-shaped gutters is securely fixed! Effective for theft prevention and reducing rattling noise. Easy to install.
- Grating
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High-Tensile Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
Channel cover cap for sealing the handle hole of concrete channel covers! It caps the handle hole of concrete channel covers to prevent coins, keys, and other items from falling in!
- Secondary paving products
We have prepared various channel widths for U-shaped gutters: U120, U150, U180, U240, U300, U360, U400, U450, U500, U600.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
A new type of grating that matches urban landscapes: "Safety Walker L·D."
- Grating
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High-Tensile Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
We have prepared various widths for U-shaped gutters: U120, U150, U180, U240, U300, U360, U400, U450, U500, U600.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
Premium Lock Nut for M16 to Prevent Grating Theft! Prevents grating theft. A powerful tool that won't let them take it to scrap anymore!
- Grating
The "Safety Walker" installed at a sake brewery famous for being a pilgrimage site for anime. The top surface is flat, making it easy to pass through with a cart, resistant to clogging, and durable.
- Grating
Colorful ceramic materials filled into stainless steel grating! Forming beautiful lines along the drainage ditch.
- Grating
Lightweight due to the pipe structure! Always utilized for maintaining and managing beautiful and safe waterways.
- Gutters and U-shaped gutters
We have renewed our homepage. A variety of the latest grating products are now featured. (Okagrate Co., Ltd.)
We have renewed our homepage. A variety of the latest grating products are now featured. Awarded the Good Design Award, the new type of grating "Safety Walker" High-strength OG Super High-Tensile Grating made of stainless steel using a new manufacturing method "Fine Grate" Easy-to-fix grating for U-shaped ditches and striped steel plate covers "OG Lock Series" Barrier-free grating "Neo Slit" Pursuing slip resistance, safety, and design "Premium Expand" Wooden grating made from recycled thinning materials "Eco Wood Grating" Environmentally friendly grating using recycled plastic chips "Eco Pla Grating" And many more are featured.
Not just the removal of grating! Maintenance tools equipped with various added values.
- Grating
Fixing U-shaped gutter grating! Effective for theft prevention and reducing rattling noise.
- Grating
Tunnel audit road installation work, etc., laser processing of corrugated steel plates, and hot-dip galvanizing finishing! Please let us know your requests for "products like this that you want us to ...
- Tunnel Materials
The "Safety Walker" installed at a sake brewery famous for being a pilgrimage site for anime features a flat top surface, making it easy to pass with a cart, resistant to clogging, and durable.
- Grating
No need to attach fixtures to concrete secondary products. The grating for U-shaped gutters is securely fixed! Effective for theft prevention and reducing rattling noise.
- Gutters and U-shaped gutters
Bolt-fixed type. For cross drainage ditches. Also for longitudinal use and theft prevention. Additionally, for various concrete secondary products with bolt-fixed grating, etc.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
Bolt-fixed type for onsite cast-in drainage sumps. Additionally, bolt-fixed type sump covers, special dimension sump lids, and various types of sumps are also available.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
For use with on-site poured catch basins. Additionally, for bolt-fixed manhole covers, manhole covers and sumps with special dimensions, and various types of basins.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
Bolt-fixed type. For cross drainage ditches. Also for longitudinal use and theft prevention. Additionally, suitable for various concrete secondary products with bolt-fixed grating, etc.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.
For JIS side ditches. Also for various VS (free slope) types, prefectural types, Ministry of Land, Infrastructure, Transport and Tourism types, and former Ministry of Construction types, etc.
- Grating
The new "2024-2025 Comprehensive Catalog" has been released! New grating products included!
The new "2024-2025 Comprehensive Catalog" from Okagreat Co., Ltd. has been released! It features many original products and grating, including "Safety Walker" and "OG Lock U"! New types of grating such as "Safety Walker," "OG Lock U," "Premium Expand," and "Neo Slit" OG Super High Tensile High Strength Stainless Steel Grating "Fine Grate" are included. Many original products and gratings are featured! If you're looking for something a bit different from conventional grating, something you've never seen before, or grating that better matches the landscape, you might find it in this catalog. High heels and canes won't get stuck. Trash and small stones won't clog. Slip-resistant effects are expected. Theft prevention. Prevents wobbling, and tires from road bikes or sports-type bicycles won't fit, nor will the wheels of carts, carry cases, or hand trucks, and so on. This catalog addresses your grating concerns. If you would like a copy of the new "2024-2025 Comprehensive Catalog," please feel free to contact us.