5/8″-11 x 3-1/2″ Green Rinsed Zinc Grade 5 Hex Cap Screws (28 pcs.)
Diameter: 5/8″ Length: 3-1/2″ Material: Steel Finish: Green Rinsed Zinc Head Style: Hex (15/16″ Wrench) Thread Size: 11 (Coarse) Thread Length: 1-1/2″ Hardness: Grade 5 Type: Cap Screw Box of 28. A hex cap screw has a hexagonal head, designed to be driven by a wrench.