Crown Bolt 00080 1/4 Inch-20 x 2-1/2 Inch Coarse Thread Zinc-Plated Steel Hex Bolts, 100-Count Zinc-plated 1/4 inch-20 x 2-1/2 inch hex bolts For general applications 1/4 inch-20 body diameter and thread pitch 2-1/2-inch fastener length Zinc-plated finish