Hardened Grade 8 Split Lock Washer 7 Sixteenth Inch, Tempered Medium Carbon Alloy Steel With Yellow Zinc Plating, 25 Pack, Heavy Duty Anti Loosening Solution For Nuts And Bolts In Gearhead Projects

Hardened Grade 8 Split Lock Washer, 7/16 inch, 25-pack
✔️ 25 pcs, Grade 8 hardened steel, yellow zinc, ID 7/16 in (11.1 mm)

The split lock washer is a heavy-duty fastener option designed to prevent nuts and bolts from loosening when equipment vibrates. Built from tempered medium carbon alloy steel with yellow dichromate zinc plating, it’s ideal for gearhead projects, automotive assemblies, and industrial machinery where secure fastening matters.

✅ Material: tempered medium carbon alloy steel
✅ Finish: yellow dichromate zinc plating
✅ Type: split-lock washer for anti-loosening
✅ Inner diameter: 7/16 in (11.1 mm)
✅ Pack size: 25 washers per pack
✅ Hardened grade: Grade 8 for strength
✅ Application: suitable for nuts and bolts in gearhead projects

💡 What is a split lock washer used for in mechanical assemblies?

This handy hardware keeps fasteners tight by locking through a split and distributing load during vibration.

- Prevents nut and bolt loosening in machinery and gearhead projects - Works with common hardware and supports steady torque - Choose hardened Grade 8 washers for high-stress applications