1/4 Regular (medium) Split Lock Washer Zinc and Bake 2 1/2-4 This 1/2-20 x 2 1/2

This 1/2-20 x 2 1/2 Hex Cap Screw Grade 8 Yellow Zinc is a high-strength fastener designed for use in demanding applications

This 1 1/2-6 x 5 Hex Cap Screw is made of Grade 5 steel and has a zinc finish

The M20 x 55 DIN 933 8

Made of alloy steel and heat-treated for maximum strength and durability

1/4 Regular (medium) Split Lock Washer Zinc and Bake 2 1/2-4 This 1/2-20 x 2 1/2These 1 4" regular split lock washers are made of zinc plated steel and are heat treated for added strength and durability. They are designed to prevent nuts and bolts from loosening due to vibration or movement. The split lock washer's unique design creates a spring like action that keeps the nut or bolt securely in place. These washers are commonly used in automotive, construction, and industrial applications.