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Washer
Product Range
Ensuring even load distribution and protecting surface integrity, our flat washers are the unsung heroes of bolted joints
Plain Washer
Offers excellent locking capabilities in high-vibration environments, preventing fasteners from loosening over time
Tooth Lock Washer
Ideal for applications require grip that compensates for expansion and contraction, ensuring a tight assembly under varying loads
Spring Washer
Provides a compensating spring force or takes up play, perfect for load cycling or to counteract the effects of setting.
Wave Washer
Ensuring even load distribution and protecting surface integrity, our flat washers are the unsung heroes of bolted joints
Offers excellent locking capabilities in high-vibration environments, preventing fasteners from loosening over time
Ideal for applications require grip that compensates for expansion and contraction, ensuring a tight assembly under varying loads
Provides a compensating spring force or takes up play, perfect for load cycling or to counteract the effects of setting.
Plain Washer
Tooth Lock Washer
Spring Washer
Wave Washer
Your Trusted Supplier of Washer Needs
Shanghai Hengrui Industrial Co., Ltd a custom washer manufacturer with 15 years experience, is specializing in the manufacturing and exporting of bolts, screws, nuts, washers, and custom non-standard products, with many different materials, like carbon steel, stainless steel, brass, aluminum, titanium, special alloy steel, etc.
What is Washer？
A washer is a think steel sheet (ususally a flat, round piece of hardware) that is used with fasteners like bolts, screws and nuts. It have several function: distributing the load of a fastener, acting as a spacer, reducing vibration, and providing a smooth surface for the nut or bolt head to press against, preventing damage to the surface being fastened. Washers can be made from various materials including metal, rubber, or plastic, depending on the application.
Type
Plain washer, fender washer, spring washer,wave washer, tooth lock washer, ect. Each designed to meet specific industrial needs and quality standards, we guarantee a solution for every application.
Dimension Standard
| Washer type | Washer Standard |
|---|---|
| Plain washer (flat washer, USS washer, SAE washer, fender washer) | ASME B18.21.1, ASTM F436, DIN125, DIN126, DIN134, ISO7098, DIN433, DIN6916, DIN9021 |
| spring lock washer | ASME B18.21.1, DIN127, DIN7980 |
| tooth lock washer | ASME B18.21.1, DIN6797 |
| Square washer | ASME B18.2.6, DIN434, DIN435, DIN436, DIN6917 |
Grade Specification
| Standard for Washer | Hardness | Material |
|---|---|---|
| ASME B18.22.1 USS | low carbon steel | |
| ASME B18.22.1 SAE | low carbon steel | |
| F436 | zinc plated 38-45HRC， HDG 26-45HRC | C1045+ heat treatment |
| DIN125A | CLASS 140HV,140min HV;CL200HV,200-300HV;300HV,300-400HV. | low carbon steel |
| DIN125B | low carbon steel | |
| DIN127A | C1070/65Mn | |
| DIN127B | C1070/65Mn | |
| DIN9021 | ≦16mm 140-250HV;﹥16mm 140-250HV | low carbon steel |
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