1/4″-20 x 6″ Zinc Plated Grade 8 Hex Cap Screws (50 pcs)
Diameter: 1/4″ Length: 6″ Material: Steel Finish: Yellow Zinc Head Style: Hex (7/16″ Wrench) Thread Size: 20 (Coarse) Thread Length: 3/4″ Hardness: Grade 8 Type: Cap Screw Box of 50. A hex cap screw has a hexagonal head, designed to be driven by a wrench.