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Beijing Dazheng yongye Construction machinery Co., Ltd
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Tricone Drill Bit/Roller Bits

Beijing Dazheng yongye Construction machinery Co., Ltd

Tricone Drill Bit/Roller Bits

Place of Origin : Beijing

Brand Name : DZ

Certification : SGS

Price : 400USD

Packaging Details : ploy wood/plastic

Delivery Time : 15 working days

Payment Terms : T/T.

Supply Ability : 5000/month

MOQ : 1 piece

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Tricone bits
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(HJ),rubber sealed(HA),not sealed(W)
5)Color:blue,golden or as customers' requirement. Formation:soft,soft to medium hard,medium hard,hard,very hard.
The specification of the tricone bits

Bit typeIADC codeSuitable fromationWeight on bit(KN/MM)Rotary speed(R/MIN)
DZ117117Low compressive strength,very aggressive and very soft formation:soft shale,clay,salina stone0.3-0.9300-80
DZ127127Low compressive strength,very aggressive and very soft formation:shale,clay,soft limestion0.3-0.9300-80
DZ217217Higher compressive strength,medium formation with interlayer:hard shale,sandstone,limestone0.35-0.9300-80
DZ325325Higer compressive strength,medium formation with interlayer:hard shale,sandstone,gyprock0.35-0.9290-70
DZ437437Soft formations with low compressive strength and high drillability,clay,mudstone,salt,soft shale0.35-0.9280-60
DZ517517Soft to medium formations with high compressive strength,such as hard shale,limestone,sandstone0.35-1.05240-50
DZ537537Soft to medium formations with high compressive strength,such as hard shale,limestone,sandstone,dolomite0.5-1.05220-40
DZ617617Medium hard formation with high compressive strength,such as hard shale,limestone,sandstone,dolomite0.5-1.140220-40
DZ637637Hard formation with high compressive strength,such as limestone,sandstone,dolomite,hard gupsum,marble

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