1/4″-20 x 4-1/2″ Zinc Phillips Flat Head Machine Screws (50 pcs.)
Diameter: 1/4″ Length: 4-1/2″ Material: Steel Finish: Zinc Head Style: Flat (Phillips) Thread Size: 20 (Coarse) Thread Length: Full Type: Machine Screw Box of 50. 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.