In Stock! Bestlink manufacturer supplying button bit grinder, Threaded Button Bit, DTH Drilling tools, RC Drilling tools, Casing Drilling tools, etc For more information, pls contact me Xiamen Bestlink Factory Co., Ltd. Add: Unit 8001,No.350,Changle road,Huli,Xiamen China.361006 Tel: +86-592-5601702 Fax:+86-592-5601703 Cell/ Whatsapp/ viber/ wechat:+86-13600966313 (Mr.Richard Chen) E-mail:info@quarryingtools.com

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 Drilling Epuipment, Symmetric Overburden Drilling Epuipment, Slide Block Casing System, Double Casing Drilling Tools

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