5/16″-18 x 1-3/4″ Zinc Curved Head Machine Screws (16 pcs.)
Diameter: 5/16″ Length: 1-3/4″ Material: Steel Finish: Zinc Head Style: Curved Thread Size: 18 (Coarse) Thread Length: Full Style: Handle Head Type: Machine Screw Application: Round Tube Box of 16. 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.