Stop Collar, 3/8", Fits #5-9 Screw Bits
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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....
- Designed to be used on most counterbores and countersinks
- Adjustable for varying counterbore depths
- Collars held solidly in place with two set screws
- 3/8" diameter; fits #5-9 screw bits