... and impact resistance.(2)Cutter’s quality performance is good.(3)Long work life.(4)Stocks adequate, time delivery.(5) ... Sizes5/16" (8mm), 1/2" (13mm), 5/8" (16mm), 3/4" (19mm), etc.MaterialAlloy steel, carbideFormation or layerSoft, medium soft ... MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe3.The PDC cutter features1.long ...