Ceratizit India Pvt. Ltd. Offers Carbide Rods. Ceratizit India Pvt. Ltd is an ISO 9001:2000 certified company. Carbide Rods are available as CTS 18D, 50XD models. These are made of steel, stainless steel and titanium. These Carbide Rods have optimum toughness and also possess good wear resistance.