Crown Bolt 30202 1/4 Inch-20 x 1 Inch Truss-Head Combo Stainless Steel Machine Screws, 25-Count Stainless steel 1/4 inch-20 x 1 inch truss head combo drive machine screw For general applications 1/4 inch-20 body diameter and thread pitch 1-inch fastener length Stainless steel finish