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IRWIN 67520 Jobber Drill Bit, 5/16 in Dia, 4-1/2 in OAL, Spiral Flute, 1-Flute, 5/16 in Dia Shank, Cylinder Shank
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High-speed steel with black oxide treatment that reduces friction between bit and workpiece. Split point starts on contact in metal, wood and plastic; eliminates walking or skating when drilling into metal; 135 deg split point on all bits above 1/8 in ; jobber length.
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Product Overview
- High-speed steel with black oxide treatment that reduces friction between bit and workpiece. Split point starts on contact in metal, wood and plastic; eliminates walking or skating when drilling into metal; 135 deg split point on all bits above 1/8 in ; jobber length.
- bullet: Bit is constructed of M-2 high-speed steel for the excellent combination of strength, heat resistance and wear resistance
- bullet: Black oxide coating resists corrosion
- bullet: 135 deg split point ensures a true start and eliminates bit walking
- Applicable Materials: Metal Plastic Wood
MaterialMetal Plastic Wood
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