Description:IRWIN Tools 10502ZR Unibit Sheet Metal Step Drill Bit Set is a selection of the most popular Unibit step drill bits in the low diameter range *. Ideal for drilling true round holes with precise control in a variety of materials like sheet metal, metal plates, aluminum, fiberglass, plastics, plexiglass, and wood. The specially designed cutting edge drills true, round holes for a smooth, clean finish, and the SpeedPoint tip penetrates fast, prevents "walking, " and eliminates the need for a pilot/starting hole. The hex shank provdes a secure grip in the drill chuck. Plus, the permanent laser-etched sizes inside the flute are easy to read for precise control during the hole enlarging process. Contains: Unibit – 1 with 13 hole sizes *, Unibit – 2 with 6 hole sizes *, and Unibit – 3 with 9 hole sizes *. Product made in USA. Features: • This product is easy to use. Specifications: Material: High Speed Steel |
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