Crown Bolt 27752 #10-24 x 1 Inch Zinc-Plated Alloy Round-Head Slotted Machine Screws with Nuts, 100-Count Zinc-plated #10-24 x 1 inch round head combo drive machine screw For general applications #10-24 body diameter and thread pitch 1-inch fastener length Use with bolt of the same diameter, thread pitch, grade, and finish