Flat Washer, SAE, Thru-Hardened, Steel, Yellow Zinc Finish, 0.344" ID, 0.688" OD, 0.051 to 0.08" Thickness, 5/16"
(Pack of
100)
SKU:FA88436 Item#: FA88436
The SAE Flat Washer delivers the reliable performance mechanics and auto body shops demand for critical fastening applications. Constructed from 1050 annealed HRPO and hardened to Rc 38/45, this automotive washer resists dishing, bellying, and cracking under heavy loads while distributing pressure evenly across soft materials. The zinc-plated finish with yellow chromate coating provides superior corrosion resistance, ensuring long-lasting durability in harsh automotive environments. With SAE-specified dimensions for a precise fit on standard fasteners, this washer prevents pull-through failures and surface damage while maintaining tight connections that won't loosen under vibration.
• 1050 annealed HRPO*
• Hardened and drawn to Rc 38/45
• Zinc-plated to 0.0002" minimum thickness with yellow chromate finish
• Thru-hardened to resist dishing, bellying or cracking
*Hot rolled, pickled and oiled steel
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California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
Catalog page#: 11-29
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Product Description
The SAE Flat Washer delivers the reliable performance mechanics and auto body shops demand for critical fastening applications. Constructed from 1050 annealed HRPO and hardened to Rc 38/45, this automotive washer resists dishing, bellying, and cracking under heavy loads while distributing pressure evenly across soft materials. The zinc-plated finish with yellow chromate coating provides superior corrosion resistance, ensuring long-lasting durability in harsh automotive environments. With SAE-specified dimensions for a precise fit on standard fasteners, this washer prevents pull-through failures and surface damage while maintaining tight connections that won't loosen under vibration.• 1050 annealed HRPO*
• Hardened and drawn to Rc 38/45
• Zinc-plated to 0.0002" minimum thickness with yellow chromate finish
• Thru-hardened to resist dishing, bellying or cracking
*Hot rolled, pickled and oiled steel
Technical Specifications
| Item#: | FA88436 |
|---|---|
| Nominal Size | 5/16 " |
| Grade | Thru-Hardened |
| Finish | Yellow Zinc |
| Type | Flat Washer |
| I.D. | 0.344 " |
| O.D. | 0.688 " |
| Thickness | 0.051 – 0.080 " |
| Material | Carbon Steel |
| Pattern | SAE |
| Specifications | ANSI B18.22.1 |
| UNSPSC #: | 31161807 |
| TAA Compliant: | No |
| Weight: | 0.43 lb |
Product Restrictions
California Proposition 65: WARNING: Cancer and Reproductive Harm -
www.P65Warnings.ca.gov
