Nut SA194 7

Main production standard: Nut SA194 7

● ANSI/ASME B 18.2.2 Heavy Hex Nut

● ASME B 18.2.6 Large hexagonal nuts for structural bolts

● ASME B 18.2.6M Metric Heavy Hex Nut

● ANSI/ASME B 18.2.4.5M Metric Hexagon Thin Nut

● GB/T 6175 Heavy Hex Nuts

● GB/T 9125 Large Hexagon Nuts for Pipe Flange Connections

● GB/T 1229 High strength large hexagonal nuts for steel structures

● SH/T 3404 Hexagon nuts for petrochemical purposes

Main materials:

◆ASME SA-194/SA-194M ：2H, 2HM, 4, 7, 7M, 16, 8, 8M, 8T 

◆ASTM SA-563/SA-563M ：Gr.A, 10S, 10S3, DH, DH3  

◆SAF ：2205, 2304, 2507, 2520 

◆DIN ：1.4410, 1.4462, 1.4501, 1.4529, 1.4539 

◆GB ：Q235, 35, 45,20CrMo, 24CrMo5, 40Cr, 35CrMoA, 42CrMo, 25CrMo4, 25Cr2MoVA, 40CrNiMo, 304, 316, 321, 1Cr13, 2Cr13

American standard heavy hex nut

Metric heavy hex nuts