High Quality Symmetric Overburden Casing Drilling System with Ring Bits and Pilot Bit for Sale The Bestlink symmetric/Concentric drilling system is designed to drill and case a hole simultaneously through unstable ground conditions. The driver bit incorporated with a satisficial ring or reusable ring makes a full face head design which significantly improves the penetration rate and hole straightness of drilling.

Eccentric Overburden Casing Drilling ODEX140 system Casing drilling involves drilling and casing a well simultaneously through unstable ground conditions, In casing drilling process, down the hole tools can be retrieved, through the casing on wire-line, meaning tool recovery or replacement of tools

Congratulations for our eccentric overburden drilling bits ODEX145 with DTH Hammer DHD350 be sent to Slovakia, which is a new market for our drilling tools.