... 1/4''-5/8'' Length: 6mm-300mm 2)Standard:DIN, UNC/UNF,BSW,GB 3)Grade:4.8 ... SS312 SS316 Hex Flange Bolt1)Sizes:M5-M20 1/4''-5/8'' Length: 6mm-300mm 2)Standard:DIN, UNC ... customer's requestsOur range of product:BOLTS: hex bolts, heavy hex bolts, hex flange bolts, carriage bolts, wheel bolts, ... bolts, eye bolts, U bolts, hook boltsNUTS: hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock nuts, cap ...