- Multi-Head Countersinks Screw Head Flush
- Single Thread with Ground Serrations for Fast & Accurate Driving
- Zinc-Plated & Blue-Passivated
£8.99Inc Vat
- Ribs Under Head for Clean Countersinking
- Single Thread with Ground Serrations for Fast & Accurate Driving
- Zinc-Plated & Blue-Passivated
£14.99Inc Vat