- Double Self-Countersunk Removing the Need to Counterbore
- Deep, Sharp, Single Thread for Cutting Cleanly through Wood
- Zinc-Plated
£17.49Inc Vat
- Flange Head with Reinforced Neck
- Single Thread with Ground Serrations for Fast & Accurate Driving
- Zinc-Plated & Blue-Passivated
£51.99Inc Vat
- Double-Countersunk Head with Underhead Ribs
- Single Thread Grips the Wood for a Secure Fix
- Zinc-Plated & Yellow-Passivated
£48.99Inc Vat