Hardwood Step drill for 70-100mm decking screws - replacement bit

This is a replacement drill bit that can be used with the step drill for screws 70mm-100mm. This SPAX-D step drill is specifically designed to be used with the SPAX-D decking screw. It will pre-drill your hole at the correct diameter and countersink the timber at the correct diameter for the SPAX-D head. It ensures a perfect finish every time.