Irwin Unibit Step Drill Bit, 12-Hole Fractional, #4 Dia, Flute Type: Radial Concave, Number of Flutes: 1, Shank Type: Hex, Shank Diameter: 3/8 in, Point Type: Speedpoint, M35 Grade, Cutting Edge Material: Cobalt HSS, Cobalt HSS, Bright, Applicable Materials: Aluminum, Plastic, High Tensile Alloy and Wood
Manufacturer: IRWIN Model Number: 10234CB UPC: 038548099224
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