Description
Irwin 1877793 Black Oxide Countersink Drill Bit Set 5-Piece
The Irwin 1877793 Black Oxide Countersink Drill Bit Set 5-Piece:
| Set includes the following bits in a Storage Case: |
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| Item # | Diameter | Flute Length | Overall Length | Shank Size |
| 1877714 | 1/4″ | 19/64″ | 1-17/32″ | 1/4″ |
| 1877715 | 3/8″ | 25/64″ | 1-5/8″ | 1/4″ |
| 12411 | 1/2″ | 15/32″ | 1-21/32″ | 1/4″ |
| 12412 | 5/8″ | 9/16″ | 1-23/32″ | 1/4″ |
| 12413 | 3/4″ | 5/8″ | 1-13/16″ | 1/4″ |
Features:
- Precision ground 82° 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″ round shank fits all handheld and stationary drills
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