1/4″-20 x 2-1/4″ Zinc Grade 5 Hex Cap Screws (100 pcs)
Diameter: 1/4″ Length: 2-1/4″ Material: Steel Finish: Zinc Head Style: Hex (7/16″ Wrench) Thread Size: 20 (Coarse) Thread Length: 3/4″ Hardness: Grade 5 Type: Cap Screw Box of 100. A hex cap screw has a hexagonal head, designed to be driven by a wrench.