Super strong and perfectly finished stainless steel hardware kits available in flanged hex head and flanged spiked head. Pro-Bolt gives a 100% guarantee that these bolts will not rust. Easy to clean and maintain a great shiny finish, won't metal flake or chip. Both hex and spike heads are made extra small to enhance appearance. Hex head 1/4" screws have 1/4" heads. Spiked head 1/4" screws feature 15/64" heads. These UNC size bolts and washers are sold to dealers in packs of five or convenient assortment trays with 200 pieces 1/4 UNC Hex and Spiked head bolts in most common lengths.