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Washer Product List and Ranking from 37 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Aug 06, 2025～Sep 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:Aug 06, 2025～Sep 02, 2025
This ranking is based on the number of page views on our site.

  1. null/null
  2. 由良産商株式会社　特販部　特販課 Osaka//Machine elements and parts
  3. サンワ・アイ Osaka//Manufacturing and processing contract
  4. 4 ウィルコ Kanagawa//Industrial Machinery
  5. 5 ハイトーク/HYTORC ユネックス Tokyo//Industrial Machinery
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Washer Product ranking

Last Updated： Aggregation Period:Aug 06, 2025～Sep 02, 2025
This ranking is based on the number of page views on our site.

  1. Disc spring / washer
  2. Flat seat gold 300HV 由良産商株式会社　特販部　特販課
  3. Backup washer for preventing supply rotation. ハイトーク/HYTORC ユネックス
  4. Kobayashi Washer Manufacturing Co., Ltd. Company Profile 小林ワッシャー製作所
  5. Hexagonal hole plate spring washer "SUS CDW" 由良産商株式会社　特販部　特販課

Washer Product List

61～75 item / All 79 items

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Wako Metal Industry Co., Ltd. Introduction to Hot-Dip Galvanizing Technology

Wako Metal Industry Co., Ltd. Introduction to Hot-Dip Galvanizing Technology

We respond to all needs in a wide range of fields such as architecture, civil engineering, and roads!

At Wako Metal Industry Co., Ltd., we perform hot-dip galvanizing on round washers, various washers, special washers, and stainless steel round washers. We have facilities for mold making, press processing, bending, welding, lathe work, and other operations, and we provide integrated production for surface treatments, including hot-dip plating (HDS), zinc plating, chromate (trivalent/hexavalent), and powder coating. We can process products ranging from small items to those approximately 2 meters in length, so please feel free to contact us. 【Features】 ■ Integrated production ■ Cost reduction ■ Response to all needs *For more details, please refer to our catalog or feel free to contact us.

  • Processing Contract
  • Surface treatment contract service

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[Nortlock Product Adoption Case] Mitsubishi Hitachi Power Systems, Ltd.

[Nortlock Product Adoption Case] Mitsubishi Hitachi Power Systems, Ltd.

No need for any surrounding stop work! Improvements in maintenance contribute to increased customer satisfaction.

We would like to introduce a case study of Mitsubishi Hitachi Power Systems, which has adopted Nord-Lock products. The company, formed by the merger of Mitsubishi Heavy Industries and Hitachi, Ltd., has a wide range of product offerings, enabling it to meet diverse power supply needs both domestically and internationally. Among its diverse lineup, the J-Series gas turbine stands out for its excellent output and efficiency. Its reliability, verified over many years at a combined power generation plant demonstration facility in Takasago City, Hyogo Prefecture, has garnered significant support from customers at power plants both in Japan and abroad. Additionally, the frequent use of "Nord-Lock washers" has contributed to improved maintenance and increased customer satisfaction. [Case Overview] ■ Customer: Mitsubishi Hitachi Power Systems, Ltd. ■ Product: J-Series Gas Turbine ■ Adopted Product: Nord-Lock Washer *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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Flat washers for high-strength bolts.

Flat washers for high-strength bolts.

Flat washers, washers for high-strength bolts, can be customized to special sizes, high precision [improved flatness and surface roughness], and we can propose solutions to prevent rotation.

Special Washers Flat washers, washers for high-strength bolts, and custom sizes are available. High precision [improved flatness and surface roughness] and proposals to prevent rotation can be provided. "Flat washers" are handled by Special Spring Industry Co., Ltd., which manufactures and sells thin plate springs, washers, functional springs, and more. Our products are used as flat washers for high-strength bolts and in automotive suspension systems. They reduce seating pressure and prevent loosening due to sinking. 【Features】 ■ Used for flat washers for high-strength bolts, etc. ■ Reduces seating pressure ■ Prevents loosening due to sinking *For more details, please refer to the catalog or feel free to contact us.

  • Spring
  • Axle parts
  • Other Auto Parts

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Reduce labor and costs! Press processing as an alternative to cutting processing [thickening processing].

Reduce labor and costs! Press processing as an alternative to cutting processing [thickening processing].

Control the flow of material during press molding! Achieve reduced sagging and cost reduction!

At Special Spring Industry, which has contributed to the development of various industries by supplying a wide range of spring products, including various types of washers, we are proposing VA (Value Analysis) through a method transition to press processing. In the case of existing products, due to significant deformation occurring at the burring section during conventional press processing, we had been using a method of "hot forging + cutting." By controlling the flow of material during the press forming process, we have achieved a reduction in deformation. This allows us to maximize the seating area and successfully lower the surface pressure. 【VA Proposal Example】 ■ Method: Forging + Cutting Parts → Press Processing ■ Product Name: Retainer ■ Application: Washer for ball bush fastening *For more details, please refer to our catalog or feel free to contact us.

  • Axle parts

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spring washer

spring washer

Certified JIS B 1251! Delivering to countries around the world with one of the fastest molding machines!

Our company has obtained certification for JIS B 1251 and provides products of stable quality. Our uniquely developed original spring forming machine achieves a world-class production speed of over 1,000 rotations per minute. We supply not only throughout Japan but also to countries around the world. 【Main Equipment】 ■ Rail fastening device ■ Original forming machine *For more details, please refer to the PDF document or feel free to contact us.

  • Spring

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【Production case presentation in progress!】Spherical seat ring (mechanical parts)

【Production case presentation in progress!】Spherical seat ring (mechanical parts)

If you provide the drawings, we can handle all processing in accordance with the product! Wear is reduced, and precision is improved! We are currently showcasing examples of processing spherical washers!

We received a request to manufacture machine parts for industrial machinery according to the drawings. In response, our company devised a method to improve the accuracy of angles during internal grinding, resulting in better angle output during turning, reduced wear, and enhanced precision. 【Overview】 ■ Product Name: Spherical Washer (Machine Part) ■ Production Capacity: 300 pieces/month ■ Material Processed: SCM435 ■ Work Size: Φ50 Length 10 mm ■ Machines Used: - NC Lathe - Cylindrical Grinding - Internal Grinding - Thread Grinding - Surface Grinding *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract

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YOSHER Locking Washer

YOSHER Locking Washer

It's an evolved version of a spring washer to prevent loosening of bolts and nuts and to prevent them from falling off!

"YOSHER" is a newly developed anti-loosening washer, evolved from spring washers, to prevent accidents caused by the falling or dropping of bolts and nuts. Its inner diameter bites into the valleys of the threads, making it unaffected by loosening due to reverse rotation. 【Features】 ■ Significant cost reduction is expected compared to conventional similar products ■ By changing the outer diameter, inner diameter shape, material, and plate thickness, it can accommodate various loosening conditions ■ Can be attached and detached with commercially available tools *For more details, please download the PDF or feel free to contact us.

  • bolt
  • nut

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Dingbanza Jin "Optical Smooth Washer"

Dingbanza Jin "Optical Smooth Washer"

A stress-free glasses life with smooth temple opening and closing!

The "Optical Smooth Washer" is a metal hinge washer coated with a solid lubricant to enhance sliding functionality. The opening and closing of the temples is smooth, and the effect lasts. It has a high heat resistance specification of 600°C, and brazing and plating are also possible. Due to its excellent chemical resistance, it is strong against nitric acid and hydrofluoric acid. 【Features】 ■ Stress-free and comfortable eyewear life ■ High heat resistance ■ Excellent chemical resistance ■ Complies with food hygiene standards *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract
  • Contract manufacturing

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Backup washer for preventing supply rotation.

Backup washer for preventing supply rotation.

A simple way to eliminate supply chain issues! Work time can be reduced depending on the situation at the site.

The "backup washer" is a product that eliminates the need for a backup wrench simply by placing it under the nut, just like a regular washer. When using this product for bolt tightening, there is no need to use a backup wrench. Safety risks, such as pinching fingers, are eliminated. 【Features】 ■ No backup wrench required ■ Reduced work time ■ Cost-effective *For more details, please refer to the related links or feel free to contact us.

  • fastener

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Round washer, spring washer

Round washer, spring washer

We are committed to speed and quality to meet your needs! Introducing products from our partner factories at Taiyo Fastener.

Our company is a specialized manufacturer of stainless steel screws with a constant inventory of over 10,000 items. Since our establishment in 1972, we have focused on speed and quality, continuing to manufacture primarily stainless steel fasteners. "Round Washers" and "Spring Washers" are produced by our partner factories, with "Round Washers" available in various sizes from M2 to M20, including JIS small and ISO small, and "Spring Washers" available in JIS No. 2 sizes from M2 to M20. By integrating our headquarters' functions for collecting, managing, and analyzing market needs and purchasing information with the manufacturing power of our Tokushima factory, which produces up to 100 million stainless steel screws per month, we can meet a wide range of needs from standard products to processed stainless steel products. 【Standard Inventory Sizes】 ■ Round Washers: Old JIS, JIS small, ISO, ISO small, various sizes from M2 to M20 ■ Spring Washers: JIS No. 2 sizes from M2 to M20 *For more details, please refer to the PDF materials or feel free to contact us.

  • Other machine elements

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[Machining Case Study] Insulator Seat Metal

[Machining Case Study] Insulator Seat Metal

Reliable quality for heavy electrical equipment, vehicles, and heavy machinery! The main material is SUS304, with assembly done through welding.

We would like to introduce a case of machining carried out by Dainikuro. The "insulator base" has a diameter of φ500mm and a height of 600mm. The main material is SUS304, and it was assembled by welding. Our company has introduced not only milling and turning machines but also an iron worker (AMADA IW-45III) to improve processing efficiency. Please feel free to contact us when you need our services. 【Case Study】 ■ Diameter: φ500mm ■ Length: 600mm ■ Main Material: SUS304 ■ Assembly: Welding *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Processing Contract

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Dish spring washer

Dish spring washer

A product with superior anti-loosening effects compared to spring washers and toothed washers.

We handle "disc springs" that can evenly support the axial force of bolts on the seating surface due to their axisymmetric shape, preventing bending moments from acting on the bolts. We offer disc springs of Type 1 and Type 2 in accordance with JIS standards (JIS B 1251:2001), as well as our original SDW (for general bolts) and CDW (for hexagon socket bolts). 【Materials Used】 ■ S50C to S70C ■ SUP10 ■ SUS304 *For more details, please download the PDF or contact us.

  • Other metal materials

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Kobayashi Washer Manufacturing Co., Ltd. Company Profile

Kobayashi Washer Manufacturing Co., Ltd. Company Profile

We will continue to promote products that satisfy our customers and a management system that ensures peace of mind!

Our company is committed to "customer satisfaction" as our management philosophy, providing products in various fields, primarily focusing on automobiles, electronics, and construction machinery. We were among the first to start manufacturing products using coil materials. This initiative stemmed from our desire to offer not just good products, but outstanding ones that exceed expectations. Since then, we have regularly updated our equipment to create an environment that allows us to provide products that meet our customers' needs. We will continue to actively work on reviewing and improving our production facilities, researching production technologies, and strengthening our quality assurance system. 【Business Activities (Partial)】 ■ Manufacturing of flat washers for embedded use ■ Manufacturing of various flat washers ■ Manufacturing of disc springs ■ Manufacturing of washers for terminals ■ Development, design, and manufacturing of molds *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing
  • Other Auto Parts
  • Other electronic parts

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Stainless steel (black dye processing) + small pan screws with spring washers and small diameter flat washers included

Stainless steel (black dye processing) + small pan screws with spring washers and small diameter flat washers included

Stainless steel (black dye processing) + small pan screw with spring washer and small diameter flat washer included.

This is a pan head screw with a cross recess that incorporates a spring washer and a small diameter flat washer. It is made of iron and has a high corrosion-resistant black coating (Sabinai-jan). The washer does not detach from the screw, which eliminates the hassle of setting the washer and improves work efficiency. It is also referred to as a Sems screw. It complies with EU-RoHS2 standards. - High corrosion-resistant black coating (Sabinai-jan) refers to a black-dyed stainless steel that forms a black film on the surface of the metal, providing high corrosion resistance. In rust resistance durability tests (salt spray), typical black dyeing lasts for 72 hours, while high corrosion-resistant black dyeing (Sabinai-jan) exceeds 3000 hours. It is suitable for outdoor use and may be used as a countermeasure against salt damage in coastal areas and snow removal regions. Usage: Construction, outdoor use, automotive, etc.

  • bolt

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Adjustment Seat Gold "SWA-AW" <Steel - Ferric Oxide Coating>

Adjustment Seat Gold "SWA-AW" <Steel - Ferric Oxide Coating>

For adjusting cumulative errors during assembly, as a color spacer!

We would like to introduce our steel-made adjustment washers with a ferric oxide coating, 'SWA-AW'. These washers offer a wide variety of outer diameters and thicknesses compared to standard flat washers. They are suitable for securing materials with low limit surface pressure, such as aluminum and resin, while ensuring a stable seating surface in elongated holes. Additionally, we also offer adjustment washers (steel, electroless nickel-plated) 'SWA-AWEL' and adjustment washers (stainless steel) 'SWAS-AW'. 【Product Lineup (Partial)】 ■SWA-2-8-AW ■SWA-3-8-AW ■SWA-3-10-AW ■SWA-3-12-AW ■SWA-3-15-AW *For more details, please download the PDF or feel free to contact us.

  • Other machine elements

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