Aluminum is crimped into the unilok grooves of the shaft to prevent unscrewing. Hardened steel lock tight and micro-mechanically locked piston driver interface. Guaranteed never to unscrew.
Product Features
- Fits: Hitachi NR83A + A2
Aluminum is crimped into the unilok grooves of the shaft to prevent unscrewing. Hardened steel lock tight and micro-mechanically locked piston driver interface. Guaranteed never to unscrew.