- Double-Countersunk Head with Underhead Ribs
- Deep High / Low Thread for High Pull-Out Resistance & Waste Extraction
- Silver Organic Coating
£15.19Inc Vat
- T-Head for Concealed Fixing
- Single Thread with Ground Serrations for Fast & Accurate Driving
- Zinc-Plated & Blue-Passivated
£21.99Inc Vat