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Washer Product List and Ranking from 38 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

Washer Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. オータ Tokyo//Machine elements and parts
  2. null/null
  3. 藤川伝導機 Tokyo//Industrial Machinery
  4. 4 由良産商株式会社　特販部　特販課 Osaka//Machine elements and parts
  5. 5 サンワ・アイ Osaka//Manufacturing and processing contract
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Washer Product ranking

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. Basic Knowledge of Screw Products: What are the differences between the old JIS and new JIS for flat washers? オータ
  2. Disc spring / washer
  3. Flat seat gold 300HV 由良産商株式会社　特販部　特販課
  4. 4 Adjustment Seat Gold "SWA-AW" <Steel - Ferric Oxide Coating> 藤川伝導機
  5. 4 Panel Protection Bracket 'FPW' <Steel> 藤川伝導機

Washer Product List

46～60 item / All 82 items

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Brass special size flat seat washer (flat washer)

Brass special size flat seat washer (flat washer)

Outer diameter and thickness can be selected! Brass custom flat washers (flat washers)

This is the "special-sized flat washer" series developed to allow for a wide selection of outer diameters and thicknesses compared to conventional flat washers. When the hole diameter of the material being fastened is larger than that of the screw, it stabilizes the screw head. By increasing the surface area of the screw head, it enhances the contact with the material. It is also referred to as a washer or flat washer.

  • nut

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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 material. 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 certificate and inspection report. 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 / Component grade A ■ Marked with engraving ■ Hardness classification of 300HV ■ Comes with a mill certificate and inspection report *For more details, please refer to the PDF document or feel free to contact us.

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  • Other machine elements

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Hexagonal hole plate spring washer "SUS CDW"

Hexagonal hole plate spring washer "SUS CDW"

The wedge-shaped serration effectively suppresses loosening rotation! Available for light and heavy loads.

The "SUS CDW" is a serrated hexagonal spring washer. It supports axial force with spring reaction due to its dish spring shape. The wedge-shaped serration effectively suppresses the rotation of loosening. It has a wedge shape that is less likely to damage the joined parts, is made of SUS304 for high heat resistance, and can be used in high-temperature environments. 【Features】 - Supports axial force with spring reaction due to dish spring shape - Effectively suppresses the rotation of loosening with wedge-shaped serration - Wedge shape that is less likely to damage the joined parts - High heat resistance with SUS304, usable in high-temperature environments - Material: S50C to S70C, SUP10; Hardness: 40 to 48 HRC *For more details, please refer to the PDF document or feel free to contact us.

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  • Other machine elements

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Seal washer

Seal washer

Seal washers that can be selected based on the type of rubber for preventing liquid and gas leaks!

The "seal washer" has a rubber part that deeply penetrates the threaded section of the bolt, providing a strong seal against liquids and gases. It has high airtightness and does not require O-ring groove processing at the fastening part. Additionally, the type of rubber can be selected according to the application. 【Features】 ■ High airtightness ■ No additional processing required ■ Lineup according to application *For more details, please refer to the PDF document or feel free to contact us.

  • Sealing
  • nut
  • others

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Lock nut and washer 'Nut・Washer'

Lock nut and washer 'Nut・Washer'

Lock nuts are 100% tested for flaws! Introducing the lock nut and washer set.

The "Nut・Washer" is a set of lock nuts and washers that have been treated with a zinc plating on the surface. The lock nuts comply with DIN980-V (ISO7042), and the washers comply with DIN125 or DIN6916 (EN14399-T6). Additionally, we also offer the flanged nut "Collar Nut," which has been 100% tested for flaws. 【Features of DIN Lock Nut and Washer Set】 ■ Lock Nut: Complies with DIN980-V (ISO7042) ■ Washer: Complies with DIN125 or DIN6916 (EN14399-T6) ■ Lock Nut: 100% tested for flaws ■ Surface treated with zinc plating *For more details, please refer to the PDF document or feel free to contact us.

  • bolt
  • others
  • nut

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Washer Black Zinc Plating

Washer Black Zinc Plating

Looks authentic too! Washers used when tightening nuts and bolts.

The "Washer Black Zinc Plated" from Dairi is a component you would want to use when tightening nuts and bolts on materials like wood. It also gives a somewhat professional appearance. 【Features】 ■ Washer used when tightening nuts and bolts ■ Gives a professional look! *For more details, please feel free to contact us.

  • nut
  • bolt

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【技術資料】座金とは

【技術資料】座金とは

座面の保護、ゆるみ止めに好適なワッシャー！さまざまな種類の座金もご紹介。

「座金」は、カタカナでワッシャーとも言って、ボルトとナットを 締め付ける際にナットの下に入れて以下のような効果を発揮する製品です。 材料がやわらかい場合などに用いられる「平座金」をはじめ、ゆるみ止め 効果のある「ばね座金」や「歯付き座金」などさまざまな種類があります。 【座金の使用目的】 ■座面の保護 ・締結される部材にボルトがめり込まないようにする ■ゆるみ止め ・振動などによりボルトやナットがゆるまないようにする ■気密性の保持 ・気密性を保持するために銅やアルミ、ゴム、ポリカーボネードなどの 　材質も使用される ■絶縁 ・電気機器などにおいて絶縁が必要な場合には電気を通さない紙製や 　プラスチック製の座金が用いられる ※詳しくはPDF資料をご覧いただくか、お気軽にお問い合わせ下さい。

  • Other work tools

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Hex Nut and Flat Washer 'SHN-GJ/SWA-F-GJ'

Hex Nut and Flat Washer 'SHN-GJ/SWA-F-GJ'

Prevent corrosion caused by the adhesion of water droplets and other substances when the materials of the screw and the counterpart differ!

We would like to introduce our hex nuts and flat washers with dissimilar metal contact corrosion prevention treatment, 'SHN-GJ/SWA-F-GJ'. The surface treatment reduces electrical conductivity and suppresses the galvanic action between dissimilar metals that causes corrosion. It is suitable for securing aluminum components used outdoors. Additionally, we also offer hex bolts with dissimilar metal contact corrosion prevention treatment, 'SNH-GJ'. Please feel free to contact us for inquiries. 【Product Lineup (Partial)】 ■SHN-M5-GJ ■SHN-M6-GJ ■SHN-M8-GJ ■SHN-M10-GJ ■SHN-M12-GJ ■SHN-M16-GJ *For more details, please download the PDF or feel free to contact us.

  • nut

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Mountain seat gold, curved seat gold

Mountain seat gold, curved seat gold

We can accommodate various types of seat cushions, including special shapes!

We manufacture and sell construction brackets. They can be sourced from both domestic and international suppliers, and we can accommodate original shapes requested by users. From the perspective of stable supply, we also handle some inventory.

  • bolt
  • stainless
  • others

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FYZ8-FYZ24 Flat Seat Gold Super Tool

FYZ8-FYZ24 Flat Seat Gold Super Tool

FYZ8-FYZ24 Flat Seat Gold Super Tool

Flat Washer FYZ Super Tool - Material: S45C - Heat Treatment: Hardness HRC 35-45 - Finish: Black Oxide

  • Vice Clamps
  • Other work tools

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FTZ10-FTZ4.5 Free Seat Gold Super Tool

FTZ10-FTZ4.5 Free Seat Gold Super Tool

FTZ10-FTZ4.5 Free Seat Gold Super Tool

Uniclamp Adjustable Type Adjustable Washer FTZ Super Tool - Material: S55C - Heat Treatment: Quenching HRC 38-43 - Finish: Nickel Chrome Plating

  • nut
  • Vice Clamps

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Foot bolt/washers 'EA14/EA12'

Foot bolt/washers 'EA14/EA12'

Uses transparent and soft resin in the foot part! It does not stand out during installation and does not scratch the floor.

Introducing the foot bolt/washers 'EA14/EA12'. This product uses a transparent and soft resin for the foot part, which does not stand out during installation and does not damage the floor. The shaft is made of steel, and the foot is made of polyvinyl chloride. 【Features】 ■ Material - Shaft: Steel (SWRM) - Foot: Polyvinyl Chloride (PVC) - Washer: Steel (SPCC) ■ Finish - Shaft/Foot: Colored Chromate - Washer: Colored Chromate ■ Accessories: Washer *For more details, please refer to the PDF document or feel free to contact us.

  • bolt
  • nut
  • Other machine elements

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Shibori Seat

Shibori Seat

It is a washer that fits the shape of metal roofs such as folded plate roofs and has good compatibility with packing.

It is a washer that fits the shape of metal roofs such as folded plate roofs and has good compatibility with packing. *For more details, please download the catalog or feel free to contact us.*

  • bolt

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News Strong Spherical Washer

News Strong Spherical Washer

You can cushion the clamp and nut. Even if the clamp is inclined, it can be tightened with the nut.

Please set it between the clamp and the nut for use.

  • Other cutting tools

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External insulation fixed thin plate packing washer "Tsumepita"

External insulation fixed thin plate packing washer "Tsumepita"

Introducing washers that stop firmly in place due to their notches for external insulation installation.

"Tsume Pita" is a thin plate fastening washer for external insulation materials that can securely fix insulation materials. It is a special washer with "tsume" attached to a thin steel plate, which stays firmly in place when inserted into foam plastic insulation, making it easy to drive in screws or nails, and securely fix the insulation. 【Features】 ■ Can securely fix insulation materials ■ Special washer with "tsume" attached ■ Stays firmly in place when inserted into foam plastic insulation ■ Easy to drive in screws or nails *For more details, please refer to the PDF document or feel free to contact us.

  • Other consumables

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