IRWIN Heavy-Duty High Speed Steel Fractional 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
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- Black oxide coating resists corrosion
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- 3/8" reduced shank fits all 3/8" drills
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- 135 degree split point ensures a true start and eliminates bit walking
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- 5-5/8 in. overall length
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- 4-3/16 in. flute length
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- 29/64 in. size drill bit
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