I used 3/8" bits on my lathe and they seemed to work fine. Then I decided to try them out, hoping the 1/2" bit would cut better and with less chatter. Day and night. Those beats were way better. Carbide cuts better, doesn't wobble and stays sharp longer. Worth every penny - despite being three times the price - the life and ease of use made it worth it.
OSCARBIDE Carbide Turning TCMT090204 Replacement
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