Half Inch Split Lock Washers Zinc Plated Steel 50 Count Meets ASME B18.21.1

Half-Inch Zinc-Plated Lock Washers, 50 Pack ASME B18.21.1
✔️ ID 0.502-0.512 in, OD 0.879 in, Thk 0.125 in, zinc plated

Half inch split lock washers in zinc-plated steel are used to bite into mating surfaces when tightened, creating spring tension that helps prevent loosening from vibration. These washers are common in automotive, machinery, and equipment assemblies where movement could back off fasteners.

✅ Size: 1/2 in
✅ Outside Diameter: max 0.879 in
✅ Inside Diameter: 0.502-0.512 in
✅ Thickness: 0.125 in
✅ Quantity: 50 washers per bag
✅ Type: split lock washer to resist loosening
✅ Plating: zinc plated for corrosion resistance
✅ Material: low carbon steel for general use

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

This handy fastener helps maintain preload and prevent loosening under vibration.

- handy for keeping fasteners tight under vibration in metal machinery - handy in automotive and industrial equipment where vibration occurs - compatible with standard 1/2 in fasteners for easy integration