5/16 Inch Grade 8 Split Lock Washer Zinc Plated

The 5/16-inch Grade 8 split lock washer is engineered for maximum fastener retention under heavy loads and vibration. Made from high-strength alloy steel and hardened to Grade 8 specifications, it delivers superior durability and bolt preload security. The zinc-plated finish provides excellent corrosion resistance, making it ideal for construction, automotive, industrial, and structural applications where reliability is critical.