Only used the 13mm bit but cut into oak very well. Makes a lot of smoke but this is common to all this type of cutter - there is basically nowhere for the swarf to go so it gets jammed near the cutting edge and gets burnt. Need to to do only a few mm cut at once and clear the swarf. May be better in soft wood where you can drive through quickly. Cut 35 oak plugs and the cutter stills seems sharp Using a hand drill but probably much easier with a press drill.
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Cuts plugs all day long in all timbers no problem,highly recommend
Verified purchase: Yes | Condition: New
Great product.Never used them before .Wish I bought earlier
Verified purchase: Yes | Condition: New
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