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IRWIN 1877714 Countersink Drill Bit, 1/4 in Dia, 1-17/32 in OAL, 5-Flute, 1/4 in Dia Shank, Round Shank
- Precision ground 82 deg tip for countersinking most machinable metals, wood or plastic
- Made from industrial-grade high-speed steel for increased durability
- Black oxide finish for added corrosion resistance
- Five flute design reduces vibration for smoother drilling and extended life
- 1/4 in round shank fits all handheld and stationary drills
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