Irwin 67521 21/64 Inch By 4-5/8 Inch High Speed Black Oxide Bit
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Key Features
- Bit is constructed of M-2 high-speed steel for the excellent combination of strength, heat resistance and wear resistance
- Black oxide coating resists corrosion
- 135 deg split point ensures a true start and eliminates bit walking
Heavy Duty Black Oxide Coated High Speed Steel Jobber Length Drill Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance, and wear resistance. For general use in wood, metal, and plastic. Black oxide coating resists corrosion. 135 degree split point ensures a true start and eliminates bit walking.
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. 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 degree split point on all bits above 1/8"; j obber length.