7/8″-9 x 16″ Zinc Grade 2 / A307 Hex Bolts (5 pcs.)
Diameter: 7/8″ Length: 16″ Material: Steel Finish: Zinc Head Style: Hex (1-5/16″ Wrench) Thread Size: 9 (Coarse) Thread Length: 2-1/4″ Hardness: Grade 2 / A307 Type: Cap Screw Box of 5. A hex cap screw has a hexagonal head, designed to be driven by a wrench.