1/4"-20 x 1/2" Zinc Combo Round Head Machine Screws MSCRS-496 (100 pcs)Type: Round Head Machine Screws
Head Style: Round (Phillips|Slotted)
Thread Size: 20 (Coarse)
Thread Length: Full
Type: Machine Screw
Box of 100.
A machine screw, also called a stove bolt, is generally a smaller fastener threaded the entire length of its shank. Machine screws are used in fastening nearly all types of hard materials. Especially useful in metal-to-metal or where heavy duty fastening is required. Commonly used with flat or lockwashers.