Crown Bolt 88830 1/4 Inch-20 x 3/4 Inch Stainless Steel Coarse Thread Hex Bolts, 25-Count Stainless steel 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 Stainless Steel Finish Offers Rust-Oleum Certified Rust Protection