サンワ・アイ List of Products and Services

Our company utilizes the knowledge and technical capabilities of over 300 partner factories, starting with in-house manufacturing, through our "iNetwork" to meet various processing needs. We propose optimal processing methods tailored to materials and shapes, covering a range of processing methods including cutting, precision machining, forging, pressing and bending, and casting. We accommodate a wide variety of processing regardless of strength, shape, material, size, or quantity. Please feel free to consult us regarding any issues with fasteners or metal processed products. 【Features】 ■ We consider processing methods from the design stage to provide high-quality, low-cost custom processed products. ■ We can also accommodate surface treatment, coating, heat treatment, and polishing. ■ Additionally, we offer assembly solutions that cover everything from component manufacturing and procurement to assembly and packaging, as well as sales of standard products and short lead-time cutting processing, contributing to solving procurement challenges. *For more details, please refer to the PDF materials. Feel free to contact us as well.

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One of our strengths is the I-Network (manufacturing network). By leveraging the technical skills and experience of our in-house manufacturing department and over 300 partner factories, we can respond to various processing needs. For forging processing, we propose various types of cold and hot forging to minimize material loss and achieve cost reduction. 【Features】 ■ Applicable materials: SWRCH, SUS304, SUSXM7, C2700, S45C, SCM435, and many others ■ Achievable sizes: Processing diameter φ0.6 to φ90mm, processing length 0.8 to 1200mm ■ Proven applications: Automotive-related, amusement equipment manufacturers, electrical manufacturers, molding machine manufacturers, and others ■ Please consult us even for materials and sizes not listed above *For more details, please refer to the PDF document or feel free to contact us.

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One of our strengths, the I-Network (Manufacturing Network), leverages the technical skills and experience of our in-house manufacturing department and over 300 partner factories to meet various processing needs. In "Precision Machining," we cater to the production of high-value-added components that require micron-level tolerance precision. We can handle products with a minimum diameter of φ2.0mm and a minimum length of 0.5mm, accommodating extremely small products. In "Large-Scale Cutting Machining," we support the processing of large diameter and long products using NC lathes, machining centers, NC universal milling machines, and long lathes. We have a proven track record with shipbuilding, home air conditioning, commercial air conditioning, and valve manufacturers. Please feel free to contact us when you need assistance. 【Precision Machining Features】 - Capable of producing high-value-added components that require micron-level tolerance precision - Supported materials: SUS304, SUS303, SS400, SUM, S45C, SCM435, C3604, A5052, and many others - Achievable sizes: Minimum diameter of φ2.0mm and minimum length of 0.5mm, accommodating extremely small products *For more details, please refer to the PDF document or feel free to contact us.

• Processing Technology

One of our strengths is the I-Network (manufacturing network). By leveraging the technical skills and experience of our in-house manufacturing department and over 300 partner factories, we can respond to various processing needs. Using this know-how for special processed products, we can provide unified proposals and offerings, which is our strength. Regardless of the lot size, whether for prototypes or single items, or for a variety of products, please feel free to consult with us. 【Characteristics of the In-house Manufacturing Department】 ■ Multiple machines including CNC multi-tasking lathes, multi-function NC lathes, NC lathes, NC milling machines, general-purpose lathes, and drill presses ■ Integration of manufacturing, sales, quality assurance, and logistics ■ Unique strengths of in-house capabilities *For more details, please refer to the PDF document or feel free to contact us.

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One of our strengths is the I-Network (Manufacturing Network). By leveraging the technical skills and experience of our in-house manufacturing department and over 300 partner factories, we can meet a variety of processing needs. For cutting processes, we provide high-quality products using in-house equipment such as CNC multi-tasking lathes, NC milling machines, and automatic lathes with bar feeders. We have accumulated numerous achievements not only in iron, stainless steel (SUS), and non-ferrous materials but also in difficult-to-machine materials. 【Features】 ■ Supported materials: SUS304, SUS303, SS400, SUM, S45C, SCM435, C3604, A5052, and many more ■ Achievable sizes: Diameter φ3 to φ250 ■ Track record: Shipbuilding, residential air conditioning, commercial air conditioning, valve manufacturers, amusement equipment manufacturers, and others ■ Please consult us even for materials and sizes not listed above *For more details, please refer to the PDF document or feel free to contact us.

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Sanwa Ai is a specialized trading company for fastening components such as screws, delivering quality assurance from general fastening parts to specially processed products manufactured in-house. We offer products with reliable quality that accommodate various materials and a wide range of sizes. We have a diverse and abundant selection of hundreds of thousands of products, including JIS standards, organizational standards, and manufacturer standards. Through our manufacturing and sales business of screws and fastening components, we contribute to people's safe and prosperous lives and the development of the manufacturing industry. 【Products Offered (Partial)】 <Standard Products> ■ Carbon steel, alloy steel, and iron products ■ Non-ferrous metals ■ Plastics ■ Stainless steel ■ Imported goods *For more details, please refer to the PDF materials or feel free to contact us.

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At Sanwa Ai, we handle "seal washers." This is a set product that incorporates a rubber packing into a metal-formed bowl-shaped washer. The rubber packing is press-fitted onto the threaded part of the bolt, sealing the fluid at the side. We use SUS304, which is resistant to rust, as the standard material, and we offer packings made of NBR (standard specification), silicone, fluororubber, and EPDM. 【Features】 ■ Suitable for preventing gas and liquid leakage ■ Passed pressure tests at 200 atmospheres (20 MPa) ■ Demonstrates sufficient performance even when used directly on the surface of black steel and cast iron ■ Vibration-damping and sound-absorbing effects ■ Metal and rubber packing do not resonate with vibrations *For more details, please refer to the PDF materials or feel free to contact us.

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• Safety and consumables

At Sanwa Ai, we handle "Seal Washers." This is a set product that incorporates a rubber packing into a metal-formed bowl-shaped washer. The rubber packing is press-fitted onto the threaded part of the bolt, sealing the fluid at the side. Additionally, this product has passed a pressure test of 200 atmospheres (20 MPa). Please feel free to contact us when you need assistance. 【Features】 - Suitable for preventing gas and liquid leakage - Passed a pressure test of 200 atmospheres (20 MPa) - Demonstrates sufficient performance even when used directly on the surfaces of black steel and cast iron - Vibration damping and soundproofing effects - The metal and rubber packing do not resonate with vibrations *For more details, please refer to the PDF materials or feel free to contact us.

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• Safety and consumables

At Sanwa Ai, we handle "seal washers." This is a set product that incorporates a rubber packing into a metal-formed bowl-shaped washer. The rubber packing is press-fitted onto the threaded part of the bolt, sealing fluids at the side. Designed to minimize rubber overflow even under proper torque tightening, we use SUS304, which is resistant to rust, as the standard material, and offer packings made of NBR (standard specification), silicone, fluororubber, and EPDM. 【Features】 - Suitable for preventing gas and liquid leakage - Passed pressure tests of 200 atmospheres (20 MPa) - Provides sufficient performance even when used directly on the surfaces of black steel and cast iron - Vibration damping and soundproofing effects - Metal and rubber packing do not resonate with vibrations *For more details, please refer to the PDF materials or feel free to contact us.

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• Safety and consumables

We handle the "Flat Washer 300HV" to avoid the risk of sinking during bolt fastening. This product prevents sinking of the bolt seating surface, which is a cause of loosening of bolts and nuts, and can be used to stabilize the seating surface when the hole diameter is larger than the bolt diameter. The material used is S45C to S55C (domestic material), and it undergoes bright hardening and tempering heat treatment. 【Features】 ■ JIS B 1256:2008 ■ Recommended for combination with screw part strength classification 10.9 (JIS B 1061:2020) ■ Marked with hardness classification 300HV ■ Can provide mill sheets and inspection certificates *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

We would like to introduce the "Flat Washer 300HV" handled by Sanwa Ai. It prevents the nut or bolt head from sinking into the joined material. When the hole diameter is larger than the bolt diameter, it can be used to stabilize the seating surface. The material used is S45C to S55C (domestic material), and it undergoes bright quenching and tempering heat treatment. 【Features】 ■ JIS B 1256:2008 ■ Recommended for use in combination with screw part strength classification 10.9 (JIS B 1061:2020) ■ Marked with hardness classification 300HV ■ Can provide mill sheets and inspection certificates *For more details, please refer to the PDF materials or feel free to contact us.

• Safety and consumables

Introducing the "Flat Washer 300HV" available at Sanwa Ai. Prevents the nut or bolt head from sinking into the joined material. When the hole diameter is larger than the bolt diameter, it can be used to stabilize the seating surface. Additionally, it has undergone quenching and tempering heat treatment. Please feel free to contact us when you need it. 【Features】 ■ JIS B 1256:2008 ■ Recommended for use with screw parts strength classification 10.9 (JIS B 1061:2020) ■ Material: S45C to S55C (domestic material) ■ Marked with hardness classification 300HV ■ Mill sheet and inspection certificate available *For more details, please refer to the PDF document or feel free to contact us.

• Safety and consumables

The molten zinc-aluminum alloy coating "GALVA LEO" is a high corrosion-resistant coating that contains 5% aluminum and 1% magnesium based on molten zinc. It exhibits excellent corrosion resistance in a wide range of fields, including salt damage, heavy industrial areas, civil engineering, construction, electricity, telecommunications, and railways. 【Features】 ■ Compliant with RoHS, JIS certified product (JIS H 8643) ■ Proven performance of over 10,000 hours in salt spray tests (in accordance with JIS Z 2371) ■ Compatible with bolts, nuts, and washers ■ High adhesion, with adhesion to iron equivalent to that of molten zinc coatings *For more details, please refer to the PDF materials or feel free to contact us.

• Subsidiary materials

The molten zinc-aluminum alloy coating "GALVA LEO" is a high corrosion-resistant coating that contains 5% aluminum and 1% magnesium based on molten zinc. It demonstrates excellent corrosion resistance in a wide range of fields, including salt damage, heavy industrial areas, civil engineering, construction, power, telecommunications, and railways. 【Features】 ■ Complies with RoHS, JIS certified product (JIS H 8643) ■ Proven performance of over 10,000 hours in salt spray tests (in accordance with JIS Z 2371) ■ Suitable for bolts, nuts, and washers ■ High adhesion, with adhesion to iron equivalent to that of molten zinc coatings *For more details, please refer to the PDF materials or feel free to contact us.

• Subsidiary materials

"GALVA LEO" is a high corrosion-resistant hot-dip zinc-aluminum alloy coating that contains 5% aluminum and 1% magnesium based on molten zinc. It demonstrates excellent corrosion resistance in a wide range of fields, including salt damage, heavy industrial areas, civil engineering, construction, power, telecommunications, and railways. 【Features】 ■ Compliant with RoHS, JIS certified (JIS H 8643) ■ Proven performance of over 10,000 hours in salt spray tests (in accordance with JIS Z 2371) ■ Compatible with bolts, nuts, and washers ■ High adhesion, with adhesion to iron equivalent to that of hot-dip zinc coating *For more details, please refer to the PDF document or feel free to contact us.

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The "A2-70" is a stainless steel hex bolt that guarantees strength based on the JIS B 1054-1 standard, which has not been available in the conventional market for hex bolts. Using austenitic stainless steel with excellent corrosion resistance and managing the manufacturing process, it guarantees a minimum tensile strength of 700 N/mm². 【Features】 ■ High rust resistance: Made with austenitic stainless steel that excels in rust prevention ■ High strength: Guarantees a tensile strength of 700 N/mm² ■ Strength classification is indicated on the bolt head ■ Available in various sizes ■ Product inspection results and material mill sheets are provided for each lot number *For more details, please refer to the PDF document or feel free to contact us.

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The "Wedge Nut" boasts exceptional anti-loosening effects and is a low-cost anti-loosening nut that anyone can easily tighten. By shaping the bottom of the screw groove into a "wedge" shape, it effectively distributes the load across the entire thread, demonstrating outstanding tightening performance. The technology is encapsulated in an optimal angle that guides the tip of the male thread to make uniform contact. 【Features】 ■ Simultaneously achieves anti-loosening effects and the workability of hex nuts ■ Exhibits a LOCK effect when tightened with the same torque as a hex nut ■ Realizes low cost by not increasing the manufacturing process *For more details, please refer to the PDF document or feel free to contact us.

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"Lapis" is an anti-theft screw that is perfect for security measures. Due to its bit structure that requires a one-way special tool for fastening, it cannot be removed after being fastened. It is useful for areas where you want to create a black box, such as license plates and window frames. 【Features】 ■ Prevents removal after screw fastening, enhancing security ■ Bit structure that requires a one-way special tool for fastening ■ Cannot be removed after fastening ■ Head shapes available are only truss head and flat head *For more details, please refer to the PDF document or feel free to contact us.

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We handle "seal washers." This is a set product that incorporates a rubber packing into a metal-formed bowl-shaped washer. The rubber packing is press-fitted onto the threaded part of the bolt, sealing the fluid at the side. The design minimizes the risk of rubber protruding even when tightened to the appropriate torque. We use SUS304, which is resistant to rust, as the standard material. 【Features】 - Suitable for preventing gas and liquid leakage - Passed pressure testing at 200 atmospheres (20 MPa) - Demonstrates sufficient performance even when used directly on the surfaces of black steel and cast iron - Vibration damping and noise reduction effects - The metal and rubber packing do not resonate with vibrations *For more details, please refer to the PDF materials or feel free to contact us.

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