Crown Bolt 30742#8-32 x 2-1/2 Inch Round-Head Combo Zinc-Plated Machine Screws, 25-Count Zinc-plated #8-32 x 2-1/2 inch machine screws round head combo For general applications #8-32 body diameter and thread pitch 2-1/2-inch fastener length Use with bolt of the same diameter, thread pitch, grade, and finish