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    扩孔钻杆

    1. 主要应用于扩孔作业中;

    2. 通常采用回转钻进,故钻杆具有高抗扭、高抗弯和高抗压的优异综合机械性能。

    产品参数

    钻杆名称

    连接方式

    接头

    直径/mm

    长度/mm

    扩孔钻杆

    双台肩高强度梯形螺纹

    89

    89

    1500、2000、3000

    95

    95

    127

    127

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