cutting screw size :m3--m12 material :Carbon Steel, Alloy Steel, Stainless ... samples. Product rangeBOLTS: hex bolts, heavy hex bolts, hex flange bolts, carrage bolts, wheel bolts, stud boltsNUTS: hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock ... , lock washersSCREWS: machine screws, self tapping screws, set screws, hex socket head cap screws, wood screws, self drilling screwsChain and ...