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Old 01-25-2017, 06:56 PM
Ray Rogers's Avatar
Ray Rogers Ray Rogers is offline
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Join Date: Jun 2002
Location: Wauconda, WA
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Well, I just do all my grinding after the heat treat is finished and that saves me a lot of trouble. But, you didn't say you have a grinder so I'm guessing you may be doing this by hand.

No point in finishing to 400 grit before HT as you've already discovered. There are some anti-scaling compounds you could put on your blade to prevent some of the scale. Finishing to 220 is about as far as I'd go before HT. After that, using fresh belts or fresh sandpaper or whatever it is you're using and backing up one grit to, say, 120 grit is where you would start your finish work. If you are doing this by hand then, yes, it is difficult but it can be done. That's where you are until you're ready to buy a good grinder ...


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