... :m3--m12 material :Carbon Steel, Alloy Steel, Stainless Steel cutting screwsize :m4--m24material :Carbon Steel, Alloy Steel, Stainless Steel, ... bolts, heavy hex bolts, hex flange bolts, carrage bolts, wheel bolts, stud boltsNUTS: hex nuts, heavy hex nuts, hex ... insert lock nuts, cap nuts, slotted nuts, rivet nutWASHERS: flat washers, spring washers, lock washersSCREWS: machine screws, self tapping ...