[100 PKG] Flat Washers SAE Thru Hardened Steel Zinc Yellow Made in USA 5/16

Upgrade your fastener kit with this SAE flat washer, crafted from thru-hardened steel and finished in yellow zinc for superior wear resistance and corrosion protection. Made in the USA, this 5/16 inch washer provides a reliable, full bearing surface for demanding assemblies.

Designed to meet SAE specifications, this flat washer helps distribute load evenly, reduce friction, and protect mating surfaces in a wide range of applications.

• Material: Thru-hardened steel
• Finish: Yellow zinc coating
• Size: 5/16 inch
• Origin: Made in USA
• Standard: SAE flat washer

Ideal for automotive, machinery, construction, and general hardware projects, this washer combines durability with a cost-effective design to help improve joint integrity and extend the life of fastener assemblies.