... 8.8 10.9 SS201 SS304 SS312 SS316 Hex Flange Bolt1)Sizes:M5-M20 1/4''-5/8'' ... product:BOLTS: hex bolts, heavy hex bolts, hex flange bolts, carriage bolts, wheel bolts, stud bolts, square head bolts, T bolts, eye bolts, U bolts, hook boltsNUTS: hex nuts, heavy hex nuts, hex flange nuts, ... : machine screws, self tapping screws, set screws, hex socket head cap screws, woodscrews, self drilling screws ...