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gunsmith threading tool 55 degree 60 degree cubic boron nitride

Lathe CBN Cubic Boron Nitride thread cutting tool set, for threading hard steel

Ozzistraightshooter Lathe Cubic Boron Nitride
(CBN) thread cutting Tool Set
Handy for general engineering and gunsmith work.
Tool holder plus inserts for cutting 55 degree and
60 degree external threads.
Cubic Boron Nitride cutting tips are one of the best
 materials known to use when cutting hard steels.

It is like a man made synthetic diamond.

These are perfect for cutting fine threads for receiver
or muzzle threads.
An advanced technology at an affordable price.
These are top quality tools designed for professional use.
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