Countersink, 3/8", Fits #9 Screw Bit
The combination of a quality high-speed tapered drill with a countersink and stop collar, in conjunction with the correct plug cutter, is by far the best way to prepare fine work for wood screws....
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- High carbon steel; heat treated for longer life
- 4 flutes for clean accurate boring
- Designed for use in all woods
- Countersink can be mounted on taper point, brad point and regular point drills
- 3/8" diameter; fits #9 screw bit