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Posted

Use a small round chainsaw file and very carefully file the vertical portion of the tooth at EXACTLY the same angle as the factory. Push the file towards center. Don't "pull" it outwards. Touch up the top of the tooth with a flat file moving towards (upwards) the tip. If the tooth is really gorked a dremel power tool (keep the screw very cool) works well.

If you make the internal angle on the vertical portion of the screw steeper the screw cuts better but dulls quickly. A flatter filing job (angle wise) creates a screw that very difficult to place.

GB

Posted

Paul, for most folks, (me included), sharpening a tubular type cutter is a challenge.

There is a bit of cutting geometery that must be understood to achieve any descent results.

Do not file the rake side of the teeth except to be-bur.

If you take any serious height out of a tooth or two file the rest to match in height.

While a chainsaw file is good for the bottom of the hook, a good set of small "jeweler" files or a selection of machinist files is very usefull.

Or you could take your dinged screws to a saw sharpening shop. Probably set you back$10-12 a screw.

Smoker

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