DTH Hammer Drilling Overburden Symmetric Casing Concentric Pilot Bit and Ring Bit with Casing Shoe

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DTH Hammer Drilling Overburden Symmetric Casing Concentric Pilot Bit and Ring Bit with Casing Shoe

The Concentric/Symmetric casing system product line includes the enhanced system with striking faces and extracting highly resistant.


In horizontal drilling, the friction between the soil and the casing can become very important and Symmetrix reinforced bits are designed to resist abrasion under these conditions.


These systems are targeted for drilling in leading which the cutting ring is recovered for reuse. They can also be used for drilling deep holes vertical when it is not necessary to use an inside diameter of annular cutting important.


Reinforced systems are available for tubing sizes ranging between 140 mm and 1220 mm (5 1/ 2 "and 48").


Bestlink Factory

Xiamen Bestlink Factory Co., Ltd  is  committed  to  provide  the  best  drilling  and  cutting machine,  tools and accessories products in marble and granite stone quarrying,  as well as in civil engineering application, especial demolition project. it is now a leading manufacturer of cutting and drilling equipment for the extraction of marble, granite  and ornamental stones in china.  

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