RCBS vs Lyman replacement cutter head

[Ia.redneck]

Not sure if I'm asking this in the right place, but I've done a search but cant seem to find an answer.

Are the replacement cutter heads for the RCBS case trimmer and Lyman case trimmer interchangeable? Or are they different size and thread?

Thanks, Dale

[AntiqueSledMan]

Hello Dale,

I know the RCBS is 3/8-24, not sure what the Lyman is.

AntiqueSledMan.

[onelight]

My Lyman is larger than 3/8 it measures .429 on the cutter head threads closer to 7/16

[Jsm180]

My Lyman is 7/16-20

[Three44s]

If you are in need of a sharper cutter get the carbide cutter if that is an option with your tool. You will be a long while wearing it out. They are not cheap however.

Some of the manufacturers have a send in option to get your non carbide cutters sharpened at a fair price as well.

Three44s

[Ia.redneck]

Thanks guys! That answers my question.
Was hoping for some interchangeability, oh well.

[Conditor22]

I took my cutter head to the local saw sharpener. He put an edge on it that beat factory all to pieces.

[onelight]

My Lyman is 7/16-20

There you go I can't find my thread gauge or tool to check size since I moved :veryconfu