5/16" GRADE-8 (SAE) ALLOY FLATWASHERS, Zinc Yellow, (100-PACK)

Product Description

The SAE GRADE-8 Flat Washer delivers the reliable performance mechanics and industrial technician's demand for critical fastening applications. Constructed from 1050 annealed 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-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.
• 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