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Description
xProduct Description:
Extra Thick Flat Washers made from 18-8 stainless steel are designed for applications requiring superior corrosion resistance and added load distribution under heavy-duty clamping forces. These washers meet SAE (Society of Automotive Engineers) dimensional standards and are manufactured with increased thickness to provide enhanced structural support and wear resistance compared to standard washers.
Crafted from 18-8 stainless steel (comprising approximately 18% chromium and 8% nickel), these washers offer excellent strength, long-term durability, and resistance to rust in indoor, outdoor, and marine environments. Their extra thickness is ideal for spacing, shimming, and heavy-load assemblies in construction, automotive, industrial equipment, and marine applications.
These washers are non-magnetic in the annealed condition and retain strength at high temperatures. They’re commonly used with SAE-grade bolts and screws for precise fitment and reliable performance in demanding applications.
Specifications Table:
| Washer Size (Nominal Bolt Size) | Inside Diameter (in) | Outside Diameter (in) | Thickness (in) | Material | Hardness | Finish |
|---|---|---|---|---|---|---|
| 1/4" x 0.100 | 0.281 | 0.625 | 0.100 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 1/4" x 0.171 | 0.281 | 0.625 | 0.171 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 5/16" x 0.100 | 0.344 | 0.688 | 0.100 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 3/8" x 0.120 | 0.406 | 0.875 | 0.120 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 3/8" x 0.183 | 0.406 | 0.875 | 0.183 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 7/16" x 0.120 | 0.469 | 0.938 | 0.120 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 1/2" x 0.156 | 0.531 | 1.125 | 0.156 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 1/2" x 0.187 | 0.531 | 1.125 | 0.187 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 9/16" x 0.165 | 0.594 | 1.250 | 0.165 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 5/8" x 0.175 | 0.656 | 1.375 | 0.175 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 5/8" x 0.187 | 0.656 | 1.375 | 0.187 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 3/4" x 0.175 | 0.781 | 1.625 | 0.175 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 3/4" x 0.250 | 0.781 | 1.625 | 0.250 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 7/8" x 0.250 | 0.906 | 1.750 | 0.250 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
| 1" x 0.250 | 1.031 | 2.000 | 0.250 | 18-8 Stainless Steel | Rockwell B70-B90 | Passivated (natural) |
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