Indexable for interupted cast iron turning

Since you are asking this question here one must assume that this is a one time hobby project on unknown material. Materials that are commonly called "Cast Iron" may have wildly different properties dependent on alloying elements and method of production.

No one can tell you what the best tool is for an unknown material.


stellite and Tantung bits are good for most cast iron and can take the interrupted cutting better than most carbides or HSS tools
 
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