3/8 Inch Grade 8 SAE Flat Washers Thru Hardened Yellow Zinc 100 Pack
✔️ ID 0.406in, OD 0.813in, thickness 0.051-0.080in, Grade 8
These flat washers are thru-hardened steel spacers designed to distribute load and protect mating surfaces in bolted joints. They’re commonly used with 3/8" fasteners in automotive, machinery, and construction settings.
✅ 3/8 in bolt size compatibility
✅ Grade 8 thru-hardened steel for high strength
✅ Yellow zinc plating provides moderate corrosion resistance
✅ Inside diameter 0.406in, outside diameter 0.813in, thickness 0.051-0.080in
✅ 100 washers per pack and ASME B18.21.1 compliant
💡 What is a 3/8 inch Grade 8 SAE flat washer used for in heavy duty bolted joints? This handy component helps distribute load and protect surfaces in high-stress assemblies. - It spreads load on nut face and bolt head - It reduces pull-through risk on softer materials in mechanical setups - It keeps bolt preload stable in automotive, industrial, and construction settings