Crown Bolt 00030 1/4 Inch-20 x 3/4 Inch Coarse Thread Zinc-Plated Steel Hex Bolts, 100-Count Zinc-plated 1/4 inch-20 x 3/4 inch hex bolts For general applications 1/4 inch-20 body diameter and thread pitch 3/4-inch fastener length Zinc-plated finish