I have used various OCARBIDE inserts and have no complaints. I only machine aluminum so I can't vouch for using other materials but for a hobby machinist they seem good value for money.
OSCARBIDE Carbide Turning TCMT090204 Replacement
4 Review
Excircle Indexable MTJNR1616H16 MWLNR1616H08 MCLNR1616H12
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