Does any body know a quick way to check effective case depth?
Does any body know a quick way to check effective case depth?
(OP)
After we cold saw the gears and polish the surface to check core hardness is there a chemical that you can put on the surface to let it discolor from were the case hardness starts to were it fades?





RE: Does any body know a quick way to check effective case depth?
RE: Does any body know a quick way to check effective case depth?