4 flute auger drill bit with inner threaded shank (2)
4 flute auger drill bit with inner threaded shank (3)
4 flute auger drill bit with inner threaded shank (5)
extra long drill bit extension rod with thread (2)
Inner Threaded Shank 4 flute Auger Drill Bits for Impact Wrench Features:
- Four cutting spurs for faster drilling and brings cleaner holes
- Solid quenching for less breakout, and extended drilling life.
- Full screw-point tip allows bit to self-feed for ease of drilling.
- Tapered four-flute design for faster chip ejection and less binding.
- 4″ drill bits have shorter overall length for drilling in tight spaces. Ideal for holes up to 2″ deep.
- Total length up to 24″ for hard to reach area.
- Size: 10 – 36mm; 3/8″ – 1 3/8″