Diameter: 7/8"
Length: 4-1/2"
Material: Steel
Finish: Yellow Zinc
Head Style: Hex (1-5/16" Wrench)
Thread Size: 9 (Coarse)
Thread Length: 2"
Hardness: Grade 8
Type: Cap Screw
Box of 6.
A hex cap screw has a hexagonal head, designed to be driven by a wrench.