Drilling Core Barrel With Roller Bits For Piling, Large Diameter Roller Bits Core Barrel, Piling Rig Use Core Barrel-ZhongCheng
USD $150 - $500 /Piece
Min.Order:1 Piece
Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
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)
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Packing and shipping Details
Drill Bit Nozzles
(Nozzles will be installed on bits as customers request )
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