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SNEP Nuts

The original single slotted self-locking nut developed in 1954 is still available today alongside a wider range of self-locking nuts. Despite major advances in technology, the single-slotted self locking nut still outperforms its rivals. Sometimes simplicity is better. SNEP nuts combine both extreme vibration resistance with re-usability so you can rely on it time and time again.

SNEP Nuts - single slotted self-locking nut, Bradford, West Yorkshire

ESN-H100

ESN-H100 Snep Nuts

  • Single locking slot - simple but incredibly effective
  • Reversible: Locking slot at 50% of nut height
  • Re-usable up to 5 times with no performance loss according to ISO2320
  • Quality class 6 & 8

ESN-H130

ESN-H130 Snep Nuts

  • Single locking slot - simple but incredibly effective
  • Locking slot at 2/3 of the height of the nut
  • Re-usable up to 5 times with no performance loss according to ISO2320
  • Class 6, 8 & 10
  • Made to ISO 7042 standard
  • CF 00-040 European rail standard certified

DAH

DAH Snep Nuts

  • Double superposed locking slots
  • Fitting with automatic assembly
  • Class 8 & 10
  • CF 00-040 European rail standard certified
  • Network rail certified PA05/03451
  • Re-usable up to 5 times with no performance loss according to ISO2320

Principle mechanical function:

The SNEP Nuts self-locking function is obtained by an axial deformed slot

The metal above the slot is set to de-pitch the threads so that when the nut is tightened on to a bolt, the thread is gripped on the flank.

The SNEP brand is a registered trademark of Arconic.

SNEP Nuts, single slotted self-locking nut mechanical function