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Washers

Flat Washers

• ASME 18.21.1 SAE / USS

• DIN 126 / ISO 7091

• DIN 125 / ISO 7089 / ISO 7090



Lock Washers

• ASME B18.21.1

• DIN 127 / ISO 7090



Belleville Washers

• DIN 6796 / ISO 10690



Washer Sizes

• #00 - 6"

• M1.2 - M150

Correo Electrónico

Washers

What is Washers?

In engineering and mechanics, a washer is a thin, flat disc-shaped component with a hole in the center that is used to distribute the load of a threaded fastener, such as a bolt or screw. Washers can be made of various materials such as metal, plastic, or rubber, and they come in different shapes and sizes depending on the specific application.

A washer is placed between the head of the fastener and the surface being fastened, such as a metal plate or a wooden board, to prevent damage or wear caused by the fastener. It also helps to distribute the force of the fastener more evenly over a larger surface area, which can help to increase the strength of the joint and prevent it from loosening over time.

There are several different types of washers available, including flat washers, lock washers, spring washers, and wave washers, each with their specific function and application.


Washers are available in a variety of sizes, shapes, and materials, and their specifications may vary depending on their intended use. However, there are some common specifications that apply to most washers:

  1. Size: Washers come in various sizes, typically measured in terms of their outer diameter, inner diameter, and thickness.

  2. Material: Washers can be made from different materials, including steel, stainless steel, copper, brass, and plastic. The material chosen will depend on the application and the environment in which the washer will be used.

  3. Finish: Washers can be finished with different coatings or platings, such as zinc plating, nickel plating, or black oxide, to provide protection against corrosion and wear.

  4. Type: There are different types of washers, including flat washers, spring washers, lock washers, and fender washers, each with a unique design and function.

  5. Standards: Washers may be manufactured to comply with various industry standards, such as ASTM (American Society for Testing and Materials) or DIN (Deutsches Institut für Normung), which define the dimensions, materials, and other specifications for the washer.

It is important to consider all of these specifications when selecting the appropriate washer for a specific application to ensure proper fit, function, and performance.


Washer Specifications  

Flat Washers

•  ASME 18.21.1 SAE / USS

•  DIN 126 / ISO 7091

•  DIN 125 / ISO 7089 / ISO 7090


 Lock Washers

•  ASME B18.21.1

•  DIN 127 / ISO 7090


Belleville Washers

•  DIN 6796 / ISO 10690 


 Washer Sizes

•  #00 - 6"

•  M1.2 - M150


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Contacto: Sino Special Metal Co., Ltd.

Teléfono móvil: 86-19527792928

Correo Electrónico: sales@ssmsteel.com

Whatsapp:86-19527792928

Dirección: Mudu town Jinfeng South Road, Wuzhong District, Suzhou City, Jiangsu Province