9COL-SET5 | Alpha Left Hand Cobalt Drill Set (5 Piece)
The Alpha Left Hand Cobalt Drill Set is engineered specifically for the removal of damaged screws, studs, and bolts. By drilling in a reverse (left-hand) direction, the flute action grips the broken fastener and often winds it out of the hole during the drilling process. These bits are also essential for creating the necessary pilot holes for screw extractors.
Important: The use of quality cutting fluid is mandatory to prevent heat buildup and maximize tool life.
Key Features
Fastener Removal: Left-hand rotation helps unwind broken bolts and studs while drilling.
Pilot Holes: Creates the required pilot hole for subsequent screw extractor use.
Reverse Flute: The opposite direction flute enables the broken fastener to be gripped and wound out.
Specifications
Sizes: #1, #2, #3, #4, #5 (Designed to match corresponding Screw Extractor sizes)