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Hex head screws partially threaded DIN 931 steel 10.9

Hex head screws partially threaded DIN 931 steel 10.9

1 2

  • DIN 931 (standard withdrawn)

  • UNI ~5737

  • ISO ~4014

Finishing Raw
Code 20961
Class 10.9
Material Steel
UNI ~5737
DIN 931 (standard withdrawn)
ISO ~4014
Thread Coarse
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Description Life Cycle

DIN and UNI norms are practically equivalents while the ISO one involves different manuver keys for 10-12-14-22 Diameters and use respectively: 16-18-21-34. Berardi distributes following DIN and UNI norms, ISO version has to be specifically requested.

Tolerances Based On ISO Norm 4759

Mechanical Characteristic Based On ISO norm ISO 898/1

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