Two Point Deformed — ALNtpd Class 8
Steel Class 8 all-metal prevailing-torque nuts with two-point deformation for secure, repeatable locking without polymer inserts.
Material Grade: Steel Class 8 (hardness per ISO 898-2)
Material Finish: Zinc & Yellow (RoHS)
Performance: Prevailing torque per ISO 2320
Proof Load: Per ISO 898-2
Conformity: DIN 980V • RoHS conformant
- Two-point crimp provides positive locking with low, consistent prevailing torque.
- All-metal design resists chemicals and temperature extremes.
- Reusable within ISO 2320 windows (1st turn / 1st & 5th removal).
- Thread families: Metric, UNC, UNF, BSW, BSF.
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 specification (bolt size, property class, lubrication) and verify prevailing-torque compliance per ISO 2320 / DIN 980V.

