1/2 Split Lock Washer (50 Pack) Hot Dip Galvanized Steel, Meets ASME B18.21.1 by Makers Bolt

Size: 1/2" | Outside Diameter: max. 0.879" | Inside Diameter: 0.502-0.512" | Thickness: min. 0.125" | Quantity: 50 washers per bag | Type: split lock washers place tension against a nut after tightening to prevent loosening | Plating: hot dipped galvanized for excellent corrosion resistance | Material: low carbon steel for general use