Double Slotted Nuts — Standard (ALNd) Class 10
Steel Class 10 all-metal prevailing-torque nuts with double slots for smooth engagement, low prevailing torque, and reliable re-use.
Material Grade: Steel Class 10 (hardness per ISO 898-2)
Material Finish: Zinc & Yellow (RoHS). Optional Cadmium or Nickel on request.
Performance: Prevailing torque per ISO 2320
Compliance: RoHS conformant
- Lower prevailing torque than industrial types; easier assembly, consistent repeatability
- Reusable across ISO 2320 cycles (1st turn, 1st & 5th removal)
- All-metal design — unaffected by chemicals or temperature
- Thread families available: Metric, UNC, UNF (program dependent)
Select Your Thread Family
Installation note
Prevailing torque is the nut’s built-in resistance and is separate from your joint’s tightening torque. Use installation torque from your engineering spec (bolt size, property class, lubrication) and verify prevailing-torque compliance to ISO 2320.