Another Custom Thread Mill

 
 Finding a good cutter to live tool internal threads can be a chore.  I have never been able to find a tool that would work "as-is".  Every one has needed additional work to make it usable.  Such is the nature of cuemaking.

I have a limited number of micro-grain carbide thread mills available that are extra long and have relief ground far enough back to be used not only for shaft threading - they are long enough for 3/8-10 FB joint pin installation.
All grinding is perfectly concentric & tools will run as accurately as your collets will allow.

- IMPORTANT -
Please ensure that your spindle runs true.
A long-overhang cutter in a sloppy spindle is a recipe for disaster.
Excessive vibration can occur & it will be difficult to maintain accuracy when cutting.




Click to see the dimensions.



Click to see a finished thread mill



Click to see a modified sketch that should yield an even better tool!

SORRY...SOLD OUT

These are no longer available from me.  The sketch is available in case you want to make or modify your own.




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