Someone asked recently about filing cocking serrations, so I took a pic of mine in progress. I had to sand the slide to remove pitting and this damaged the stock serrations. I filed them off and then recut them with my checkering file.
And I will attest that they are functional, if not 'pretty' or exactly like the factory serrations.
The one and only slide I tried to restore the serrations on I did with a single-point checkering file so I could keep the original angles. Had to hold my mouth just right and go real slow to keep everything straight though!
For pointing up new checkering and cleaning out old. The only thing to use for getting true, sharp diamonds. Available in three cuts: Coarse - for cleaning out old, dirty checkering; Medium - for pointing up new diamonds; and Fine - also for point...
If you checker you lay out your initial cut and make it, can do it with a single or layout file. Then you use the layout to develop the pattern and finish with the single for proper angle and depth. Doesn't matter if it's wood or metal doing it by hand.
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