5/16"-18 x 4" 18-8 Stainless Phillips Flat Head Machine Screws (5 pcs.)

Diameter: 5/16"
Length: 4"
Material: Stainless Steel
Head Style: Flat (Phillips)
Thread Size: 18 (Coarse)
Thread Length: Full
Hardness: 18-8
Type: Machine Screw

Box of 5.

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.