We offer a large catalog of flat washers that are available in materials such as stainless steel, brass, nylon, copper, and bronze.
Hardened Washers
Hardened washers are precision-engineered flat washers, manufactured from carefully selected materials and heat-treated to enhance hardness and durability. The hardness of these washers makes them resistant to wear and able to handle heavy loads. They are ideal for use with high-strength bolts to ensure that assemblies maintain their integrity under very demanding conditions. Willie Washer offers a vast range of hardened parts, meeting industry standards such as ASTM F436 or the metric standard HV300, along with various OEM specifications. We also offer case-hardened washers, commonly available with a surface hardness of 15N 89. For applications that do not require specialized heat-treatment, we also maintain an extensive inventory of standard USS and SAE flat washers in a variety of materials available for immediate shipment.
| Material | Finish | Bolt Size (Metric) | Bolt Size (Standard) | Inside Diameter | Outside Diameter | Thickness | Quantity in Stock | Request a Quote | |
|---|---|---|---|---|---|---|---|---|---|
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.412 | 3.520 | 0.031 | 84 | Add to Quote | |
| View | Low Carbon Steel - Case Hard | Plain | 2-1/4 | 2.421 | 3.562 | 0.06 | 0 | Add to Quote | |
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.422 | 2.968 | 0.105 | 565 | Add to Quote | |
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.437 | 3.375 | 0.01 | 3 | Add to Quote | |
| View | Low Carbon Steel - Case Hard | Plain | 2-1/4 | 2.437 | 3.375 | 0.058 | 77 | Add to Quote | |
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.450 | 2.825 | 0.005 | 9 | Add to Quote | |
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.450 | 4.093 | 0.375 | 6 | Add to Quote | |
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.453 | 3.000 | 0.031 | 0 | Add to Quote | |
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.456 | 3.718 | 0.25 | 891 | Add to Quote | |
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.468 | 3.010 | 0.02 | 180 | Add to Quote | |
| View | Low Carbon Steel - Case Hard | Plain | 2-1/4 | 2.495 | 5.495 | 0.187 | 0 | Add to Quote | |
| View | Spring Steel - Hard | Plain | 2-1/4 | 2.500 | 3.000 | 0.032 | 7150 | Add to Quote |
Industries That Use Hardened Washers
Hardened washers are often used in the construction industries for projects that require high-strength bolts, like bridges or other steel structures. Hardened washers are also used in:
- Heavy equipment and machinery – for parts that are subjected to heavy loads or vibrations
- Automotive – for components like suspension systems or engine assemblies
- Industrial – to ensure precise assembly and load distribution
Request a Quote for Hardened Washers
Willie Washer is your trusted source for the hardened washers you require. Search our catalog, call us or fill out our contact form to request a quote or receive assistance with finding a hardened washer that meets your exact specifications.
