1 -8 x 4-1/2 Zinc Grade 2 / A307 Hex Bolts HBHS-671 (5 pcs.)

Diameter: 1 Length: 4-1/2 Material: Steel Finish: Zinc Head Style: Hex (1-1/2 Wrench) Thread Size: 8 (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.