The Irwin 10234 High Speed Steel Fractional Self-Starting Step Drill Bit is designed to provide clean and precise holes in thin materials without the need for a pilot hole. Its self-starting tip ensures immediate engagement with the workpiece, preventing bit walking and improving accuracy during initial drilling.
- Single-flute cutting edge provides better control and a smoother finish when drilling through various metals and plastics.
- Constructed from high-speed steel for enhanced durability and a longer service life in demanding jobsite conditions.
- Integrated 12-step design allows for multiple hole sizes with a single tool, increasing efficiency and reducing the need for frequent bit changes.
This step drill bit is ideal for electricians, HVAC technicians, and maintenance professionals who need to drill varied hole diameters in junction boxes, ductwork, or sheet metal.
- Range: 3/16 In to 7/8 In
- Number of Steps: 12
- Material: High Speed Steel
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