Crown Bolt 85670 1/4 Inch-28 x 7/8 Inch Zinc-Plated Fine Grade 5 Cap Screws, 25-Count Zinc-plated 1/4 inch-28 x 7/8 inch cap screws grade 5 For general applications 1/4 inch-28 body diameter and thread pitch 7/8-inch fastener length Fine thread