Thread: Final Finish Bore Conditioning?
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Old January 30, 2013, 12:26 PM   #26
mehavey
Senior Member
 
Join Date: June 17, 2010
Posts: 2,085
Fire Lapping is used for a very different pupose/diiferent end than Fire Polishing

Think 60 grit sandpaper to shape and uniform a surface.
Then 220-600 to make it mirror deep
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