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The Irwin 15103ZR Unibit Step Drill Bit is designed for drilling holes into thin materials. This titanium nitride coated bit ranges from 1/4 inch to 3/4 inch with a 3/8 inch shank, suitable for various applications.
This step drill bit from Irwin is ideal for use on aluminum, brass, copper, plastic, stainless steel, and steel. The titanium nitride coating helps extend the bit's life and provides efficient drilling performance.
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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