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The Irwin 10231CB Unibit 1/32 13-Steps Cobalt Step Drill Bit is designed for trade professionals who need precision and durability in their drilling tasks. This cobalt step drill bit is perfect for drilling through thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood, and laminate. The Titanium Nitride coating helps to reduce heat and friction, extending the lifespan of the cutting edge six times longer compared to standard step drills. The SpeedPoint tip ensures fast starts, and the single-flute cutting edge allows for precise, true round holes with each step.
This cobalt step drill bit features M35 grade cobalt alloy for maximum life when working with tough materials. Laser-marked sizes inside the flute ensure easy identification throughout the bit's life.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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