- 24-Groove Countersunk for a Smooth & Flush Finish
- Optimised Thread to Reduce Torque & Prevent Jacking of Timber
- Zinc-Plated & Yellow-Passivated
€32.45Inc Vat
- Ribs Under Head for Clean Countersinking
- Single Thread with Ground Serrations for Fast & Accurate Driving
- Zinc-Plated & Blue-Passivated
€19.35Inc Vat