Our nuts are grade 4.8, 8.8, and 10.9.Can be customized according to your needs
Specification: Metric M8-M100
米制:3/8-16UNC-4-4UN
National standard:
GB/T 6170-2000 Type 1 hexagon nut
GB/T 6171-2000 Type 1 fine pitch hexagon nut
GB/T 6172.1-2000 Hexagon Thin Nut
GB/T 6173-2000 Hexagon thin nuts with fine pitch
GB/T 6175-2000 Type 2 hexagon nut
GB/T 6176-2000 Fine pitch type 2 hexagon nuts
GB/T 9125-2010 1 Hexagon nuts for pipe flange connection
GB/T 41-2000 Class C Hexagon Nut
GB 52-1976 Hexagon Nut
GB 53-1976 Hexagon Thin Nut
GB 54-1976 Hexagon Thin Nut
GB 55-1976 Hexagon Thick Nut
GB/T 56-1988 Hexagon Thick Nut
Chemical industry:
Hexagon nuts for HG/T 20613-2009 steel pipe flanges
Hexagon nuts for HG/T 20614-2009 steel pipe flanges
Hexagon nuts for HG/T 20634-2009 steel pipe flanges
Hexagon nuts for HG/T 20635-2009 steel pipe flanges
Petrochemical: SH 3404-1996 Hexagon Nut
mechanical:
JB/T 2775-1992 Hexagon Nut
JB/ZQ 4330-1997 Hexagon Nut
Energy: NB/T 47027-2012 Hexagon Nut for Pressure Vessel Flange
American Standard:
ASME/ANSI B 18.2.2-2010 Hexagon Nut
ASME/ANSI B 18.2.4.1M-2007 Metric Hexagon Nut
ASME/ANSI B 18.2.4.2M-2010 Metric Hexagon Nut Type 2
ASME/ANSI B 18.2.4.5M-2008 Metric Hexagon Thin Nuts
IFI 128-2000 Hexagon Long Nut