Kimdrill produce the brand new roller bit with advanced design specially for piling works. 

Advantage: 

Special design for Piling tools 

1.6KG-2.1KGS carbine bits for each roller bit 

Reasonable layout of carbine bit 

High torque & drilling weight capacity (6.5 tons) 

Reach to 2500mm core barrel application 

High temperature sealing ring 

Vacuum oil filling