Assembly of an ESL M12 X 1,75 in Classe 8 with a Zinc Lanthane® Protection 175 + Filmogene

The process for assembling an ESL nut.

  • Do not use additional lubricant
  • Use the same quality class for the nut and screw
  • Do not use impact wrenches
  • Use a long sleeve for a better opening of the slots
  • Screw at slow speed (less than or equal to 30 revolutions/minute) to engage slots
  • Screw until a minimum of two threads of the screw come out of the turret and the nut
  • Check out that the slots are open correctly
  • Finish tightening at 500 rpm/minute or less
  • The torque tightening is calculated according to the standard NF E 25-030 defined by the Engineering Office responsible for the assembly

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