1/4 -20 x 4 18-8 Stainless Slotted Round Head Machine Screws (25 pcs.)

Diameter: 1/4 Length: 4 Material: Stainless Steel Head Style: Round (Slotted) Thread Size: 20 (Coarse) Thread Length: Full Hardness: 18-8 Type: Machine Screw Box of 25. 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.