The taper tap can effect different fishing operations when equipped with RH thread or LH thread drill pipes and other tools. 公锥与正、反扣钻杆及其他工具配合使用,可实现不同的打捞工艺。
The taper mill tap is a special tool for opening up a passage in casing. 锥形铣锥是用来套管打通道的专用工具。
Special taper thread tap for gas cylinder 气瓶专用锥形螺纹丝锥
Combined taper pipe tap and core drill 扩孔钻和锥管丝锥复合刀具
Successful handling of this accident was achieved by repairing the top with milling method, fishing with reversed male taper tap, rotary jar and open downward impact tools. 利用裙边磨鞋修复鱼顶、公锥倒扣打捞、开式下击器活动解卡等措施,顺利地处理了井下事故。