- Flat Countersunk Head with 5 x Locking Ribs
- Deep High / Low Thread for High Pull-Out Resistance
- Zinc-Plated & Yellow-Passivated
£15.99Inc Vat
- Flat Head without Nibs
- Deep High / Low Thread for High Pull-Out Resistance & Waste Extraction
- Zinc-Plated
£18.49Inc Vat