- Sharpens twist drill bits 3/32" to 1/2"
- Sharpens spade bits 1/4" to 1- 1/2"
- Sharpens masonry drill bits up to 1/2"
- User-replaceable diamond sharpening wheel
3-year warranty on all DRILL DOCTOR™ components; excludes abrasives. Warranty for consumer not industrial use. *NOTE: Using a 115V machine in a location with 230V power sources voids your warranty. For use outside North America, please select "WHERE TO BUY" in the CUSTOMER SERVICE menu at the top of the page to find a distributor in your country or region.
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Unfortunately this Drill Doctor doesn't resharpen drill bits 3/32 > 3/4.(Posted on 8/26/14)
Drill Doctor Response:
Model SB sharpens twist drill bits from 3/32" to 1/2", and spade drill bits from 1/4" to 1-1/2".
Model 500X will sharpen twist drill bits up to 3/4" with an optional 3/4" chuck.
Model 750X will sharpen twist drill bits up to 3/4" right out of the box.