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Sale! 194mm CCS-194 DTH Concentric Drill Bit Bridge Foundation Drilling
US$650.00-1,800.00
1 Piece
Sample price:US$650.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
ISO 9001Model NO.
CCS-194Length
Taper-lengthType
Center Drill BitMaterial
Tungsten CarbideUsage
Well Drilling, PCB Drilling, Metal Drilling, Masonry Drilling, Bridge Foundation DrillingBlock Type
Concentric Retractable BlocksCutter Type
Tungsten Carbide InsertsCasing Compatibility
194mm Casing PipeHammer Compatibility
DHD / SD / Ql SeriesRecommended Rpm
15-35 RpmRecommended Air Pressure
17-24 BarTransport Package
Fumigation Free Solid Wood CaseSpecification
Diameter: 194mm (7 5/8 Inch)Trademark
PowerRocOrigin
ChinaHS Code
84314310Production Capacity
2, 50units/YearKey features
Drill and case simultaneously with retractable block design, advancing casing flush with the borehole wall in one pass.
Eliminate hole collapse in riverbed gravel and soft ground; concentric system provides instant casing support for bridge piers.
Field data shows 30% faster casing advancement in alluvial formations than conventional systems.
Company profile

Hunan Powerroc Mining Technology Co., LtdHunan, China
Business Type: Manufacturer/FactoryNearest Port: CNZOS, CNSHA, CNSZXAverage Response Time: ≤0.10h
About Our Factory & Business Background
AddressMingcheng Lvgu Smart Industrial Park, Renmin East Road, Changsha, Hunan, China
Registered Capital2,000,000 RMB
Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month
Our Production Capability & Technical Expertise
Main ProductsMining Products
Our Industry Experience & Global Business Record
Main MarketsSouth America, Africa, Eastern Asia, Eastern Europe, Mid East, Southeast Asia, Western Europe
Product Q&A
Q:How does the concentric block system work in bridge foundation drilling?
A:
The blocks expand during drilling to advance the casing through riverbed gravel, and retract when pulling back for retrieval.
Q:What is the advantage of this system over eccentric for bridge piers?
A:
Concentric systems provide better hole straightness in soft ground, essential for vertical bridge pier foundations.
Q:What formations is this bridge foundation bit best suited for?
A:
This bit delivers optimal performance in alluvial soils, riverbed gravel, soft ground, overburden, and sandy clay.
Send Inquiry
*To:
Hunan Powerroc Mining Technology Co., Ltd
Hunan Powerroc Mining Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
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