1/4"-20 x 4" Zinc Slotted Flat Head Machine Screws (8 pcs.)

Diameter: 1/4"
Diameter 2: 7/16"
Length: 4"
Material: Steel
Finish: Zinc
Head Style: Flat (Slotted)
Thread Size: 20 (Coarse)
Thread Length: Full
Type: Machine Screw

Box of 8.

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.