- Double Self-Countersunk Removing the Need to Counterbore
- Deep, Sharp, Single Thread for Cutting Cleanly through Wood
- Zinc-Plated
£7.49Inc Vat
- Double Self-Countersunk with Underhead Ribs
- Deep, Sharp, Single Thread for Cutting Cleanly through Wood
- Zinc-Plated & Yellow-Passivated
£7.69Inc Vat