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combined pipe tap and drill 管用钻孔攻丝复合刀具 ; 管丝锥
Tap and drill gauge 丝锥及钻头规
tap and drill gage 丝锥及钻头规
The use of the tapping chuck is particularly advantageous when working with the quick change system on drilling machines that allows to drill and tap in the same position without centring again.
另一优势的体现在这种快换的装置允许在同一个位置上钻孔或者是攻丝,不需要再做中心的调整。
Jigs make it possible to drill, ream, and tap holes at much greater speeds and with greater accuracy than when the holes are produced by conventional hand methods.
相对于用常规的手工方法加工孔,钻模使得钻孔、铰孔和攻丝速度快很多而且精度更高成为可能。
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。
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