Standard ASTM B160, ASME SB160, ASTM F467 Bolt / Screw Size M3 M56 | 3/6 to 2 | Custom Sizes Nuts Size M3 M56 | 3/6 to 2 | Custom Sizes Washers Size M3 M56 | 3/6 to 2 | Custom Sizes Machine Screws Size M1.6 - M12 Self Tapping Screw Size No.2 - No. 14 Length 3 mm to 200 mm Threads UNF, BSW, BSF, METRIC, UNC, or as required Fasteners DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Nickel Alloy Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Nickel Alloy Hex nuts Form Hex, Threading, Square, Round as per Gauge Etc. Raw materials Source JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.