Fastener Standards

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  • ASME B16.47
    Dimensions and tolerances for studs, hex bolts for class 150/300/400/600/900 flanges from 26 to 60 inch size.
  • ASME B18.10
    Standard Dimensions for oval neck track bolts and nuts.
  • ASME B18.15
    Standard Dimensions for carbon and stainless steel forged eye bolts, shoulder pattern and plain.
  • ASME B18.16.3M
    Standard Dimensions for prevailing-torque type steel metric hex nuts and hex flange nuts.
  • ASME B18.16.4
    Dimension standard for serrated hex flange nuts.
  • ASME B18.16.6
    Dimension standard for nylon insert hex lock nuts.
  • ASME B18.2.1
    Dimension standard for Square, Hex, Heavy Hex, Askew Head Bolts, Hex Flange, Lobed Head, and Lag Screws.
  • ASME B18.2.2
    Dimension standard for Machine Screw Nuts, Hex Square, Hex Flange, and Coupling Nuts.
  • ASME B18.2.3.1M
    Dimension standard for metric hex cap screws from M5 to M100.
  • ASME B18.2.3.2M
    Dimension standard for metric hex cap screws from M5 to M24.
  • ASME B18.2.3.3M
    Dimension standard for metric heavy hex cap screws from M12 to M36.
  • ASME B18.2.3.4M
    Dimension standard for metric hex flange screws from M5 to M16.
  • ASME B18.2.3.5M
    Dimension standard for metric hex bolts from M5 to M100.
  • ASME B18.2.3.6M
    Dimension standard for metric heavy hex bolts from M12 to M36.
  • ASME B18.2.3.7M
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DIN Standard Fasteners

DIN Standard Fasteners
  • DIN 125
  • DIN 127
  • DIN 315
  • DIN 431
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ISO Standard Fasteners

ISO Standard Fasteners
  • IS0 4014
  • IS0 4016
  • IS0 4017
  • IS0 4026
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Indian Standard Fasteners

Indian Standard Fasteners
  • IS 1862
  • IS 2269
  • IS 6639
  • IS 15582
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British Standard Fasteners

British Standard Fasteners
  • BS 3692
  • BS 4168
  • BS 4395
  • BS 4183
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ASME Standard Fasteners

ASME Standard Fasteners
  • ASME B16.5
  • ASME B18.2.1
  • ASME B18.2.2
  • ASME B18.3
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UNI Standard Fasteners

UNI Standard Fasteners
  • UNI 5737
  • UNI 5739
  • UNI 5588
  • UNI 5931
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CSN Standard Fasteners

CSN Standard Fasteners
  • CSN 21103
  • CSN 21444
  • CSN 21740
  • CSN 23630
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PN Standard Fasteners

PN Standard Fasteners
  • PN 61241
  • PN 82317
  • PN 83002
  • PN 85112
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EU Standard Fasteners

EU Standard Fasteners
  • EU 781
  • EU 784
  • EU 1661
  • EU 22339
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IFI Standard Fasteners

EU Standard Fasteners
  • IFI 111
  • IFI 115
  • IFI 544
  • IFI 534
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