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Insert for a drill bit incorporating a PDC layer having extended side portions
Insert for a drill bit incorporating a PDC layer having extended side portions
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机译:用于结合有具有延伸的侧面部分的PDC层的钻头的刀片
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摘要
A drag bit is formed of an elongate tooth made of tungsten carbide and having an elongate right cylinder construction. The end face is circular at the end of a conic taper. The tapered surface is truncated with two 180° spaced flat faces at 15° to about 45° with respect to the axis of the body. The end is capped by a PDC layer.
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