IRWIN High Speed Steel Countersink - 1/2" (12411)
IRWIN High Speed Steel Countersink - 1/2" (12411)
- Made from industrial grade high speed steel for increased durability
- Black oxide finish resists corrosion
- Five flute design reduces vibration for smoother drilling and extended life
- Precision ground 82° tip for countersinking most machinable metals, wood or plastic
- 1/4" round shank fits all handheld and stationary drills
