Drilling Core Barrel With Roller Bits For Piling, Large Diameter Roller Bits Core Barrel, Piling Rig Use Core Barrel-ZhongCheng

single cone rock bits637 737 

Steel tooth ,milled tooth single cutter 

TCI single cutter

Factory prices!

1) Type: milled tooth bit and TCI bit

2) Size: 3”--26” (76mm--660.4mm)

3) IADC: standard IADC including 111 to 737

4) Bearing sealed: metal sealed(FJ), rubber sealed(FR), not sealed

5) Color: blue, golden or as customers' requirement. 

6)  Formation: soft, soft to medium  hard, medium hard, hard, very hard

Recommended operating parameters

WOB 90 ~ 280(KN)

Ideal WOB range 150~220(KN)

Rotary speed 80 ~ 300 (rpm)

Ideal Rotary speed range 110~250(rpm)

.........................................................................................................................................

Packing and shipping Details 

 Drill Bit Nozzles 

(Nozzles will be installed on bits as customers request )

Our Workshop Show 

ZhongCheng Attended many exhibitions

ZhongCheng Certificate

ZhongCheng Contact Information: