1/4-20 x 4 Phillips Pan Machine Screw Fully Threaded Zinc 4-40-0 Internal tooth lock washers are

Internal tooth lock washers are designed to prevent loosening under vibration

while the 1/2-inch length offers ample reach for a variety of applications

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

Ideal for a wide range of concrete fastening applications

Its hex head and non-serrated flange provide a secure grip and prevent slippage

1/4-20 x 4 Phillips Pan Machine Screw Fully Threaded Zinc 4-40-0 Internal tooth lock washers areThis 1 4 20 x 4 Phillips pan machine screw is fully threaded and made of zinc plated steel. It has a Phillips drive and a pan head. The screw is 4 inches long and has a diameter of 1 4 inch. It is commonly used in a variety of applications, including fastening metal, wood, and plastic. The zinc plating provides corrosion resistance and helps to prevent rust.