- Ribs Under Head for Clean Countersinking
- Optimised Thread to Reduce Torque & Enhance Pull-Out Resistance
- Zinc-Plated & Yellow-Passivated
£43.99Inc Vat
- Double-Countersunk Head with Underhead Ribs
- 40° Thread for Secure Fixing & High Pull-Out Resistance
- Zinc-Plated
£16.99Inc Vat