Core barrel with roller bits is used for piling and foundation.
It may need piling foundation for construction,bridge,railway,expressway….If the formations are soft,core barrel with bullet teeth should be enough.If the geology is complex,the formations are rocks,It must use rock bits,they are applied to rocks from very soft to very hard.
Solidkey released our first bits for piling from 2013.We have closely cooperation with domestic construction company,our after-service team and technicians always track the application of our bits in field and feedback to technical dept.Our company spend much efforts to improve our bits in application.Up to now, the application of our bits is always in leading stage in China.
Solidkey not only offer core barrel,but also offer full set of technical support for installation and replacement of bits.
Welding video at Site:
Different TCI tooth: IADC 537,IADC 637
Application of Core barrel with roller bits :