We supply Friction, interlocking Kelly Bar for a torque range of 80-250 kNm and in lengths up to 72 m.
High-grade materials and special welding guarantee a high durability and wear resistance of our kelly bars.
We individually adapt our kelly bars to your drilling and rotary power head.
All kelly bars are available as friction and interlocking version.
Our kelly bars transfer the maximum torque over the full extended length.
Individually implementations, especially client specific ones could be made as well as intermediate dimensions. Therefore please use our specification sheet.
Top shock absorber
Outer kelly bar
Inner kelly bar
Bottom shock absorber
We supply kelly bars for all leading drilling brands.
Special designs and dimensions are available on request.
Maximum length of kelly bar and drilling depth is subject to type of drilling rig, capacity of winch and type of drilling tool.
For more details you can visit our websites;
If you have any inquiry regarding these products/ or need to discuss anything about construction machinery/products, please feel free to contact me. Thanks
Roger Hoang - Sales & Marketing Executive
TOHO Engineering ., JSC
Tel: +84-24-3519 0374
Fax: +84-4 3519 0390
Mobile/ Whatsapp/ Viber: +84-986 99 8758