3/8 82º External Tooth Countersunk Lock Washer Zinc 5/16-18-3 The 5/16-18 x 4 1/2

The 5/16-18 x 4 1/2 Carriage Bolt Fully Threaded Zinc is a high-quality fastener designed for a wide range of applications

#4 Machine Screw Washer 18-8 Stainless Steel Black Oxide is a high-quality washer designed for use with #4 machine screws

providing a strong and long-lasting hold

the 7/16-20 x 1 Hex Cap Screw Grade 8 Yellow Zinc is an ideal choice for various industrial

The Grade 2 rating indicates a tensile strength of 55

3/8 82º External Tooth Countersunk Lock Washer Zinc 5/16-18-3 The 5/16-18 x 4 1/2These 3 8" 82 External Tooth Countersunk Lock Washers are made of zinc plated steel for corrosion resistance and have a countersunk design that allows them to be recessed into the surface of the material they are securing. The external teeth bite into the mating surface to prevent loosening due to vibration or movement. These washers are commonly used in automotive, construction, and other industrial applications where a secure and vibration resistant