- Produced of hardened carbon steel with coating layer to avoid stain in outdoor applications
- No pre-drilling reqiured
- The partial thread on the shaft of the screw allows multiple elements to be clamped together securely without separation
- TX drive quarantees secure transmission of screw-in torque and no pop-out of the bit
- Notched thread and wax coating for reduced friction
- Crack avoidance
- Power and battery-saving