Drillco Left Hand Drill Bit Set
300LH Series Cobalt Screw Machine (Stub) Length Drill Set.Left-handed drill bitsareused to remove broken fasteners. Since right-handed bolts are loosened by turning to the left, left handed drill bits can loosen broken right-handed bolts when drilled out.
Features
- Made with premium grade cobalt HSS to drill harder materials
- Cobalt drills can drill approximately 30% faster than HSS drills
- Self centering 135 split-point for reduced thrust requirements and minimized walking
- Left handed flutes and cutting edges allow for counter-clockwise drilling
- Bronze surface treatment for high lubricity
- Shorter screw machine length adds rigidity to the drill bit to reduce breakage
- 3-flats shank for reduced slippage in drill chucks
Set Part Number 300LH11 Includes
- 11 piece set
- 1/16″ – 3/8″ BY 32nds
- Rollup Pouch








