IRWIN Speedbor Countersink Wood Drill Bit, Number-4 , White DBI-SALA Thickness/ Approximate Travel Speeds*

Thickness/ Approximate Travel Speeds*

*Can be used for bull float handles*we have springs for bull float handles

Dipped Grips

* Works on nailed and stapled roofs

IRWIN Speedbor Countersink Wood Drill Bit, Number-4 , White DBI-SALA Thickness/ Approximate Travel Speeds*IRWIN Wood Countersinks feature a tapered drill and wide flutes that drill fast, clean pilot holes and ensure a tight fit for screws. They have an adjustable four cutter counter bore attachment that cuts fast and clears chips quickly for fast, smooth countersinking applications. The counter bore feature attaches flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth. IRWIN SPEEDBOR countersink bits fit