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.
Machining Stainless with the GBJ S12M SCLCR06 CCMT060204: Enhanced Precision and Efficiency
3 Review
π§ Accusize Tools Carbide APKT1604 0056 1604X10: Superior Quality and Precision Cutting Performance
3 Review
π Suppliers of Tungsten Carbide Cutter Inserts
3 Review
431 CNMG 331 TNMG WNMG
3 Review