Powered by Made-in-China.com
219mm Powerroc DTH Concentric Drill Bit with Blocks for Foundation Drilling
US$600.99-800.99
1 Piece
Product specifications
MATERIAL
COLOR
Sample price:US$600.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
ISO:9001Model NO.
DTH Concentric Drill Bit with BlocksLength
Taper-lengthType
Center Drill BitMaterial
Tungsten CarbideUsage
Foundation DrillingMOQ
1 PieceBit Diameter
CustomizableSupply Ability
5,000 Sets Per MonthApplication
Foundation Drilling, Geothermal Drilling, MicropilTransport Package
Plywood CaseSpecification
DTH Concentric Drill Bit with BlocksTrademark
PowerRocOrigin
ChinaHS Code
8207190000Production Capacity
10000 PCS/YearKey features
Designed for simultaneous drilling and casing installation, improving drilling efficiency and reducing project time.
The replaceable block structure minimizes maintenance costs by allowing worn blocks to be replaced instead of the complete drill bit.
The concentric drilling system provides accurate hole alignment and excellent borehole quality, especially in unstable ground conditions.
Performs reliably in loose overburden, gravel, fractured rock, weathered formations, and mixed geological conditions.
Ideal for water well drilling, foundation piling, geothermal drilling, micropile construction, mining, and overburden casing projects.
Company profile

Hunan Powerroc Mining Technology Co., LtdHunan, China
Business Type: Manufacturer/FactoryNearest Port: CNZOS, CNSHA, CNSZXAverage Response Time: ≤0.26h
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:What is the advantage of the DTH Concentric Drill Bit with Blocks?
A:
The concentric drilling system enables simultaneous drilling and casing installation, ensuring excellent hole straightness and preventing borehole collapse in unstable formations. The replaceable block design also reduces maintenance costs and extends the overall service life of the drilling system.
Q:What formations is this concentric drill bit suitable for?
A:
It is specially designed for overburden drilling and performs efficiently in sand, gravel, cobbles, fractured rock, weathered formations, and other unstable ground conditions. It is widely used in water well drilling, foundation engineering, geothermal drilling, and micropile projects.
Q:Can you customize the concentric drilling system?
A:
Yes. We provide OEM and ODM services for different casing diameters, bit sizes, shank types, block configurations, and drilling requirements. Our engineering team can recommend the most suitable concentric drilling solution based on your project conditions.
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
You may also like
High Performance Magnetic Drill with Concentric DTH Hammer Bit
US$1,500.00-1,600.00
2 Pieces(MOQ)
DTH Rock Drill Bits with Flat Bit Face for Petroleum Drilling
US$100.00-200.00
1 Piece(MOQ)
High Performance Masonry Drill Bit with Carbide Tip for Concrete Block
US$5.00
1,000 Sets(MOQ)
Reliable Atlas Concentric Drill Overburden Casing Drilling Bits The Essential Tool for Professional Drillers
US$500.00-2,600.00
2 Pieces(MOQ)
4 Inch DTH Downhole Hammer with Drilling Bits for Square Hole
US$500.00-800.00
5 Pieces(MOQ)
DTH Rock Drill Bits with Concave Bit Face for Mining Drilling
US$100.00-200.00
1 Piece(MOQ)
3/16 5/32 Tapcon Screw Drill Bit for Drilling Pilot Holes in Concrete Masonry Block Brick for Tapcon Screw Anchor
US$2.56-2.80
1,000 Pieces(MOQ)
Long Life Core Drill Bit with Diamond Segment for Masonry Construction Drilling Work
US$2.70-8.90
20 Pieces(MOQ)
Durable Symmetric Drilling Casing System for 219mm Bits
US$830.00-850.00
2 Pieces(MOQ)
Powerroc Large Diameter DTH Drill Bit Numa Shank with Heat Treatment
US$110.00-560.00
1 Piece(MOQ)
DTH Hammer Drill Bit 152mm-203mm Mission60 with Spherical Tungsten Carbide Button Bits for Water Well Drilling
US$1,000.00-1,500.00
1 Piece(MOQ)
Powerroc Customized Mission Shank DTH Drill Bits for Oil Drilling
US$600.99-800.99
1 Piece(MOQ)
DHD 380-219mm DTH Bit – Top Quality for Water Well Drills
US$445.00
10 Pieces(MOQ)
Drill Bit Concentric Overburden Drilling System with Rings
US$600.00
1 Piece(MOQ)
10"/254mm Drilling Depth Thread Core Bit for Cured Concrete with, Brick, Block, Masonry
US$2.70-8.90
20 Pieces(MOQ)
Large Diameter DTH Drill Bit for Pile Foundation Rock Drilling
US$500.00-2,500.00
1 Piece(MOQ)
Customized Powerroc Ql50 DTH Button Bit for Water Well Drilling
US$80.99-800.99
1 Piece(MOQ)
Powerroc DHD360 Shank Rock Drill Bit for Construction Foundation Drilling
US$500.99-999.99
1 Piece(MOQ)
DTH Rock Drill Bits with Spherical Bit Face for Water Well Drilling
US$100.00-200.00
1 Piece(MOQ)



















