1,material: carbide / tungsten carbide / alloy 2,grade: GY01 GY03 LW20 GY87 3,various coating: TIN ... you different kinds of quality products, such as Carbide API Chasers, Indexable Carbide Threading inserts, HSS chasers, CBN and PCD inserts ... Inserts for railways, Carbide Scarfing Inserts for Weld Beads, Carbide Inserts for Bearing Industry, Tool Holders, Special Heavy Milling Inserts, as well ...