1. two hole carbide rod; 2. dia1mm~45mm; 3. extruded or pressed; ... overall carbide tools,it is the most common grade in Type K grade ,which is mainly use to process steel ,cast ... iron,gray cast iron,heat-resistant alloy steel,cutting of small and medium sized cross section of high speed finishing,are ... red needles,punch,dies and other accessaries . Tungsten carbide rod with two straight holes