A washer is a part placed between the supporting surface of a bolt, screw or nut and the surface of the connected part. Its main function is to increase the contact area and reduce the pressure per unit area, thereby protecting the surface of the connected part from damage.
Classification of washers
Washers can be classified according to material, structure and purpose:
Classification by material: Washers can be made of carbon steel, stainless steel, copper, brass, aluminum and other materials.
Classification by structure: Including flat washers, spring washers, anti-loosening washers, sealing washers, etc.
Classification by purpose: Used to increase friction, prevent loosening, seal, etc.
Application areas of washers
Washers are widely used in the connection of various machines and equipment, especially in working conditions that require frequent assembly and disassembly. Spring washers are widely used because of their low cost and easy installation. In addition, sealing washers are often used to prevent fluid leakage.
| All Material for the nuts: | ||||
| Hastelloy C276 flat washers | Duplex 2205 flat washer | A193 B8 flat washer | SS304 flat washer | Inconel600 flat washer |
| Hastelloy C22 flat washers | Duplex S31803 flat washer | B193 B8M flat washer | SS316 flat washer | Inconel601 flat washer |
| Hastelloy C4 flat washer | Super duplex S32750 flat washer | Alloy59 flat washer | SS316L flat washer | Incoloy718 flat washer |
| Monel400 flat washer | Super duplex 2507 flat washer | Alloy20 flat washer | Stainless steel flat washer | Incoloy800H flat washer |
| Monelk500 flat washer | 904L flat washer | 309S flat washer | SS321 flat washer | Incoloy800 flat washer |
| Alloy 926 flat washer-UNS N08926 | 310S flat washer | 317L flat washer | Incoloy825 flat washer | |
