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Hello I meant 320 wet/dry sandpaper. When you lap the hone, use it wet and under running water. Don't lap it dry. Whether you use dmts or sandpaper .

325 can be used for chip removal. If you are going to use it on a blade break it in first or you will get deep scratches. I use all my dmts with a little dish soap to lubricate a little. Light...

After many lappings yes. I lapped many stones with mine. Cnat j nat norton . I dont think you have anything to worry about. Do it under running water and make a grit with pencil to see what they...

Yes lap them. Dmt 325 or 320 wet dry on glass or marbe or granite tile.

If you dont know the grit rating try a piece of scrap steel first. Then look at the scratch pattern. If there are gouges then you will get serious microchipping. Cleaning em up on the 4k would be...