IRWIN Speedbor Countersink Wood Drill Bit, Number-4 , White DBI-SALA durable aluminum oxide abrasive incorporates

durable aluminum oxide abrasive incorporates a tear-resistant fabric backing for extended service life in extreme applications such as hogging out hard or heavily worn surfaces

Thickness/ Approximate Travel Speeds*

Reduced length when folded for easy transportation

Take the guesswork out of filing with these simple file guides to maintain the proper angle

concrete breaker

IRWIN Speedbor Countersink Wood Drill Bit, Number-4 , White DBI-SALA durable aluminum oxide abrasive incorporatesIRWIN 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