Description
Tianjin Grand Construction Machinery Technology Co., Ltd. deeply engaged in rock breaking tools more...
Grand high wear resistance and excellent cutting ability of the insert bit are given full play by using carbide compacts of high strength and high toughness in combination with optimized compact numbers and rows, the exposure height and special shaped compacts.
These Grand tungsten carbide insert bits are used to drill soft formation with low compressive strength and high drill ability, such as shale, clay, sandstone and soft limestone, etc.
Tricone Drilling, Tricone Drill Bit, Tricone Rotary Drill Bits
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