- Drilling & Screws
- Wood Drills
- Auger Bits
- Screw Auger
Screw Auger (Lewis)
Screw auger with attached eye for use with beech wood handles. These drills are mainly used for deep-hole drilling in softwood and, depending on the diameter, also for drilling in european hardwood.
They have the form "Lewis" with threaded tip, main cutting edge and pre-tapping.
AØ: Outside diameter
SØ: Shaft diameter
SpL: Spiral length
GL: Total length