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