1) Material: 304, 304L, 316, 316L stainless steel 2) DIN931 hex bolts and DIN933 hex head screws 3) ANSI/ASME B18. 2.1 hex head screws 4) DIN976/DIN975 threaded rods and studs 5) ANSI standard hex flange screws, hex cap screws and bolts, machine screw, self drilling screws, shoulder screws 6) DIN standard tapping screws, hex socket cap screws, cross countersunk head screws and other special fasteners also available