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Review on πŸ”§ OSCARBIDE CCMT21-51 CCMT060204 Multilayer Carbide Insert Replacement by Christopher Clearfield

Revainrating 5 out of 5

High quality carbide inserts

I use these bits a lot, especially when turning hot rolled steel. They offer surprisingly good coverage compared to other carbide inserts, but (certainly) not as smooth as you can get with a sharp HSS rotary bit, but close.

Pros
  • Indexable inserts
Cons
  • Not as thick as other cutters