Washer(20) - メーカー・企業と製品の一覧

更新日： 集計期間:Aug 27, 2025～Sep 23, 2025
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Washerの製品一覧

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Seal washer <compatible with water, oil, and air>

Seal washer <compatible with water, oil, and air>

For preventing gas and liquid leaks! A washer that can handle water, oil, and air, and can maintain a pressure of 200 atmospheres (20 MPa).

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.

  • others
  • Safety and consumables

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High strength bolt, nut, washer

High strength bolt, nut, washer

High Strength Bolt, Nut, Washer

Construction high-strength bolts, nuts, washers - 20,000 tons/year production capacity HIGH STRENGTH BOLT, NUT, WASHER TORQUE SHEAR BOLT, NUT, WASHER HEX CAP SCREW (CLASS 4.6, 8.8, 10.9, 12.9) HEX NUT (CLASS 8, 10, 12) Heavy-duty truck bolts, nuts - 10,000 tons/year production capacity

  • Interior and exterior construction accessories

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Seal washer <capable of sealing fluids strongly>

Seal washer <capable of sealing fluids strongly>

Introducing a washer that strongly seals fluids with a rubber packing that deeply embeds into the threaded part of the bolt!

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.

  • others
  • Safety and consumables

ブックマークに追加いたしました

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ブックマークを削除いたしました

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これ以上ブックマークできません

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Seal washer <Prevention of gas and liquid leakage>

Seal washer <Prevention of gas and liquid leakage>

The design makes it difficult for the rubber to protrude even when tightening to the appropriate torque! It seals the fluid on the side.

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.

  • others
  • Safety and consumables

ブックマークに追加いたしました

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ブックマークを削除いたしました

ブックマーク一覧

これ以上ブックマークできません

会員登録すると、ブックマークできる件数が増えて、ラベルをつけて整理することもできます

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Seal washer

Seal washer

Expect vibration-damping and sound-absorbing effects! It demonstrates sufficient performance even when used directly on the surfaces of black steel and cast iron.

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.

  • others

ブックマークに追加いたしました

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ブックマークを削除いたしました

ブックマーク一覧

これ以上ブックマークできません

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Flat seat gold 300HV <JIS B 1256:2008 standard>

Flat seat gold 300HV <JIS B 1256:2008 standard>

Material uses S45C to S55C (domestic material)! It is recommended to combine with screw part strength classification 10.9.

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

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Flat seat gold 300HV

Flat seat gold 300HV

Mill sheet and inspection certificate are also available! Prevents the nuts and bolt heads from sinking into the joined materials.

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

ブックマークに追加いたしました

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これ以上ブックマークできません

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Flat seat gold 300HV <Avoiding the risk of sinking during bolt fastening>

Flat seat gold 300HV <Avoiding the risk of sinking during bolt fastening>

Marked with a hardness classification of 300HV! It is recommended to combine with screw component strength classification 10.9.

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

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Water leak prevention washer

Water leak prevention washer

Strongly bonded with metal and rubber through vulcanization! Sizes available from M1 to M20.

In fastening, there are many cases where the flexibility and adhesion of rubber are utilized to provide sealing or cushioning functions. However, since rubber alone cannot maintain strength, backup and holding power from metal washers are necessary, which affects cost performance. The "water leak prevention washer" has a strong adhesive force due to the vulcanized bonding of metal and rubber, resulting in minimal rubber displacement during fastening. This prevents rubber from being caught in the threaded part, maintaining high sealing performance, as well as providing various functions such as vibration resistance, loosening prevention, vibration absorption, surface scratch prevention, and insulation. Additionally, in relation to this product, Azuma Neji also offers "water leak prevention screws (nuts)." 【Features】 ■ Strong adhesion of metal and rubber through vulcanized bonding ■ Material: Metal part (stainless steel), rubber part (neoprene, EPDM, etc.) ■ Size: M1 to M20 *For more details, please refer to the PDF document or feel free to contact us.

  • Joints between components

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Flat seat gold 300HV

Flat seat gold 300HV

We respond to needs with mill sheets and inspection certificates! Please consider our proposal when estimating drawings with specification requirements.

This product is a flat washer with a hardness classification of 300HV. It prevents the nut or bolt head from sinking into the joined materials. It can be used when the hole diameter is larger than the bolt diameter or to stabilize the seating surface. It meets needs with a mill sheet and inspection certificate. The material used is S45C to S55C (domestic material), and it has undergone bright hardening and tempering heat treatment. 【Features】 ■ JIS B1256:2008 ■ Standard shape/Part grade A ■ With marking ■ Hardness classification of 300HV ■ With mill sheet and inspection certificate *For more details, please refer to the PDF document or feel free to contact us.

  • Safety and consumables
  • Subsidiary materials

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For connecting and securing metal and wood, use a tightonic that is non-loosening and rust-resistant.

For connecting and securing metal and wood, use a tightonic that is non-loosening and rust-resistant.

A rust-resistant type of the widely recognized non-loosening washer "Titanic" for seismic-resistant applications in the housing sector is now available for M8 bolts!

Features of Rust-Resistant Type Taitonic This is a new type of Taitonic that inherits the excellent performance of "not loosening" and "following" from previous models, with a rust-resistant finish. It is resistant to vibration and can withstand significant force with low torque tightening. The patented Magic Ring utilizes the principle of a wedge to tighten bolts, providing a powerful anti-loosening effect. Newly developed for M8 bolts for metal and wood! In the case of wood, it follows the natural contraction of the wood. The rust-resistant Taitonic features an environmentally friendly, completely chrome-free plating process. 【Features】 ■ Can now be used for metal connections! ■ Suitable for outdoor use ■ Tightens while following the contraction of wood ■ Converts vibration into tightening force with patented technology ■ Withstands significant force with low torque tightening 【Applications】 Connection and fixation of structures Vibration countermeasures for machine tools Fixing of ship lighting fixtures Fixing of connections in outdoor facilities Fixing of equipment installed outdoors that generates vibration Fixing of connections in wood that contracts over time 【Other Applications】 - Benches and fences (vibration suppression/fixing) - Structures exposed to rain (fixing of joints) *For more details, please feel free to contact us.

  • Other store equipment and supplies
  • Safety and consumables
  • Earthquake-resistant construction method

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