1,tungsten carbide inserts 2,coating:TIN TIALN AL2O3 PVD PCD PCVD 3,ISO9001 100% quality guarantee 4,sample for test CTRI has 50+ years history of design and manufacture inserts, and with the years endeavor in find the best solution to our client's cutting, we showed our ability.CTRI inserts are well knowed for1. stable and high quality, good toughness and wear resistance ;2. competitive price ...