ISO 7379 Shoulder screws with collar

Steel or stainless steel
 
 

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Technical specifications

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Main specifications

Standard executions

  • ISO 7379: black-oxide steel class 12.9 (tensile strength 1200 N/mm2). Polished d1 diameter surface.
  • ISO 7379-NI: AISI 304 stainless steel. Polished d1 diameter surface.
General information

Features and applications

ISO 7379 shoulder screws with collar maximum tightening torque must not be defined by the steel property class, since it is limited by the relatively small bearing points (shoulders) and by the recesses at the transition point from diameter d1 to d2 and d3.

The ISO standard sheet allows for screws with or without knurled head.

ISO standard deviations: the official ISO standard sheet has the following dimensions for d2 - d1 M5-6,5 / M10-13 / M20-25.

ISO 7379 - Shoulder screws with collar 
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