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Which angle K&M cutter

JayHHI6818

Silver $$ Contributor
Need to turn some 22BR (30 degree shoulder) brass and was looking at K&M site and they have the following cutter angles. Don’t have a 30 degree cutter
 

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K&M only has one cutter angle. I called them once and asked if they could make some cutters in 30 or 40 degree and was told they didn't want to do that. Never was given a reason.
 
They now have a selection over several angles. Apparently they have made them 3 degrees over shoulder angle. 33 would be the one
 
Why do you need different angles? I do not even know what mine is.


So you can cut into the shoulder and donuts that are pushed to the outside with the expander mandrel and keep the neck shoulder junction consistent with your over all neck turn. Helps keeping brass flow build up at the neck shoulder junction and helps case extraction with tight neck chambers.

DJ

DJ's Brass Service
205-461-4680
 

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