9/16-12×4-1/2 Hex Head Cap Screws 9/16-12 x 4.5 Bolts 9/16×12 x 4-1/2 Grade 8
Hex Head Cap Screw / Bolt. Thread Pitch:12. (F)Hex / Wrench Size:7/8″. Thread:12 TPI (Coarse Thread). (H)Nut Height:5/8″. Thread Length: 1-1/2″. Screws will have numbers and letter stamped into the head.