... 2"(190mm), 7 7/8"(200mm),8 1/2"(215.9mm), 9 1/2"(241mm),9 5/8"(245mm), 11 5/8"(295mm),12 1/4"(311mm ... Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe1>Cutting Structure The durability of premium tungsten carbide insert is improved ... It is suitable for various formations by matching cutting structure with different tooth shape, tooth density and tooth exposure height. Hejian ...