1/4-20 x 3/4 Hex Head Machine Screws Qty (100)

1/4-20 x 3/4 Coarse (USS) Hex Head Machine Screws are made of zinc-plated steel which allows for a moderate amount of corrosion resistance. Hex head screws allow for more torque to be applied to the screw with a socket wrench. Machine screws are most often used with a nut as a means of tightening unless they have a pre-threaded hole with the exact thread pitch. These screws are most commonly offered in smaller sizes. Other types of machine screws sold at NutsandBolts.com are: phillips flat head machine screws, stainless steel flat head machine screws and phillips flat head tapping screws.