TB /T 826 - 1991

GB /T 9125.1 - 2020

Hexagon Nuts For Pipe Flange Connection,Type 1

GB /T 9125.1 - 2020

Hexagon Nuts For Pipe Flange Connection,Type 2

GB /T 9125.2 - 2020

Hexagon Nuts For Pipe Flange Connection,Type 1

GB /T 9125.2 - 2020

Hexagon Nuts For Pipe Flange Connection,Type 2

GB /T 9125 - 2010

Hexagon Nuts For Pipe Flange Connection,Type 1

GB /T 9125 - 2003

Hexagon Nuts For Pipe Flange Connection,Type 1

GB /T 5647 - 2008

Flared Couplings - Style A Nut

GB /T 5649 - 2008

Flared Couplings—Lock Nut

DIN 74305-2 - 1994

Non-welded tube connection hex nut
Suppliers(1)

DIN 8912 (US4) - 1990

Coupling Nut Assemblies

DIN 431 - 1982

Pipe nuts with thread in accordance with DIN ISO 228 Part 1
Suppliers(1)

ISO 8434-1 - 2007

Metallic tube connections for fluid power and general use--Part 1: 24° cone connectors [tube nut]
Suppliers(1)

ISO 8434-3 - 2005

Metallic tube connections for fluid power and general use — Part 3: O-ring face seal connectors [Tube nuts]

ISO 8434-2 - 1994

Metallic tube connections for fluid power and general use--Part 2: 37° Flared fittings [tube nuts]

JB /T 1308.10 (1) - 2011

PN 2500 Ultrahigh Pressure Valves And Fittings - Outer Nuts - DN3

JB /T 1308.10 (2) - 2011

PN 2500 Ultrahigh Pressure Valves and Fittings - Outer Nuts - DN6 、DN10 、DN15

JB /T 1308.16 - 2011

PN2500 Ultrahigh Pressure Valves and Fittings,Nuts

JB /T 6013 - 2011

Diesel Engines - Requirements for Low Pressure Hydraulic Pipe Assemblies - Cap Nuts

JB /T 1700 - 2008

JB /T 1308.10 (1) - 1999

Outer nut-DN3

JB /T 1308.10 (2) - 1999

Outer nut-DN6 、DN 10 、DN 15

JB /T 1308.16 - 1999

PN 250 MPa Nuts Nuts

JB /T 2770 - 1992

Female connector fittings

JB /T 2775 - 1992

Hexagon Nuts For PN16～32MPa

JB 1706 - 1991

JB /T 1755 - 1991

Hexagon tube fittings nuts

JB 981 - 1977

Nuts for weld coupling

HG 20613 - 2009

Hex Nuts For Pipe Flange（d ≥ M39）

HG /T 20614 - 2009

Hexagon Nuts,Style 1

HG /T 20256 - 2016

Hexagon Nuts

H 17 - 1967

Nut for high pressure pipe (H17)

ZH 300 (H17) - 2009

Nut for high pressure pipe (H17)

NB /T 47027 - 2012

Hexagon Nut For Pressure Vessel Flange
Suppliers(1)

BS EN 10241 (T19) - 2000

Steel threaded pipe fittings, Table 19 - Hexagon backnut