1.TiN coating(golden), ATiN coating(black) or without coating 2.Applications: for steel, cast steel, stainless steel etc Tungsten carbide inserts for metal processingCoating: TiN coating, AiTiN coating or without coatingSmooth coating surfaceHigh stability, long lifespanLow wear, low frictionVarious types are availableWe can supply all kinds of ISO standard tungsten carbide or as per customer’s ...