- Stainless steel version to sustain mechanical properties for many years
- No pre-drilling reqiured
- Drilling point to the very top of the screw for fast start
- The partial thread on the shaft of the screw allows multiple elements to be clamped together securely without separation
- Trim countersunk head with cutting ribs for easy countersinking and a precise flush finish
- 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
- Energy saving screwdriver due to the minimized torque required to fixing the screw.
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