Description
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates | Single-flute cutting edge for greater control through steps | Patented single-flute cutting edge gives the user a true round hole every timeAmazon.ca Product Description IRWIN Tools 10235 Unibit Sheet Metal Step Drill Bit offers 10 different hole sizes in one single bit, from 1/4" to 1-3/8" in increments of 1/8". Ideal for drilling true, round holes with smooth, clean finish in a variety of materials like sheet metal, aluminum, fiberglass, plastics, plexiglass, and wood. The SpeedPoint tip penetrates fast, prevents "walking," and eliminates the need for a pilot/starting hole. The 1/2" hex shank provides secure grip in the drill chuck. Permanent laser-etched sizes inside the flute are easy to read for precise control during the hole enlarging process. Product made in USA. From the Manufacturer UNI-BIT STEP DRILL #5 1/4-1-3/8"10 SZ"
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