Crown Bolt 12070 1/4 Inch-20 x 2-1/2 Inch Yellow Zinc-Plated Coarse Thread Grade 8 Cap Screws, 25-Count Yellow Zinc-plated 1/4 inch-20 x 2-1/2 inch cap screws grade 8 For general applications 1/4 inch-20 body diameter and thread pitch 2-1/2-inch fastener length Grade 8