This is a great set of cutting tools. They all seem to have some sort of rust remover that should be scraped off completely. When used without cleaning, the heat from metalworking captures the small screw that holds the carbide insert in the holder. This makes it almost impossible to remove to swap out the insert. Once that's done, you won't be able to find better tools than these.
π§ Accusize Tools Carbide APKT1604 0056 1604X10: Superior Quality and Precision Cutting Performance
3 Review
π Climax Metals TC 038 10 Drill Center: High-Precision Tool for Accurate Drilling
3 Review
431 CNMG 331 TNMG WNMG
3 Review
π Suppliers of Tungsten Carbide Cutter Inserts
3 Review