Irwin Speedbor Drill Bit Set for Wood

IRWIN SPEEDBOR Drill Bit Set Three cutting spurs for quicker, cleaner holes, less breakout and extended exploration life. Complete screw-point tip enables bit to self-feed for simplicity of drilling. Shorter total size for drilling in limited rooms. Suitable for burrow to 2″ deep. 1/4″ quick-change shank lowers insinuating typical chucks as well as is compatible with all 1/4″ quick-change chucks, including influence drills.