13 3/4 inch kingdream tricone bit
13 3/4 inch kingdream tricone bit
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, he exposure height and special shaped compacts. For steel tooth bit the tooth surface is hardface with new type of wear resistant material and thus extended working life of the cutting structure while still maintaining high ROP. A row of inserts is added between gauge row and heel row of HA bit to trim borehole wall and protect cone shell and consequently, the special HAT series bit is formed.
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