Fastener Standards

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  • UNI 4464 A
    Spring lock washer for cylinder head screws
  • UNI 4766
    Slotted set screws
  • UNI 5448
    Wing nuts with rectangular wings
  • UNI 5449
    Wing screws with rectangular wings
  • UNI 5583
    -
  • UNI 5588
    Hexagon Nuts
  • UNI 5589
    Hexagon thin nuts chamfered
  • UNI 5593
    Hexagon slotted castle nuts
  • UNI 5596
    Square thin nuts
  • UNI 5597
    Square Nuts
  • UNI 5712
    High-strength injection structural bolts
  • UNI 5713
    Hexagon nuts with large widths across flats for high-voltage connections
  • UNI 5714
    Slices, round, for HV connections
  • UNI 5715
    Square taper washers for I-sections
  • UNI 5716
    Square taper washers for U-sections
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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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