Core Barrel with Roller Bit

https://www.jztgpiling.com/CORE-BARREL/Core-Barrel-with-Roller-Bit.html

Core Barrel with Bullet Teeth

https://www.jztgpiling.com/CORE-BARREL/Core-Barrel-with-Bullet-Teeth.html

Delivery for large batch of rock coring core barrel and borehole drilling bucket

The bulk includes core barrel with Bullet teeth, Rotary Soil Drilling bucket and Borehole Rock drilling bucket.  The total quantity is 110pcs, the specification is 600mm-1500mm. They will be used for bridge, high-speed rail, railway and o...

https://www.jztgpiling.com/Company-News/Delivery-for-large-batch-of-rock-coring-core-barrel-and-borehole-drilling-bucket.html