Crown Bolt 10770 1/4 Inch x 2-1/2 Inch Hex-Head Stainless Steel Lag Screws, 25-Count Stainless steel 1/4 inch x 2-1/2 inch lag screws hex head For wood applications 1/4 inch body diameter and thread pitch 2-1/2-inch fastener length Stainless Steel Finish Offers Rust-Oleum Certified Rust Protection