Powered by Made-in-China.com

Premium Ntw Diamond Drill Bits for Core Sampling Excellence
US$60.00
2-9 Pieces
US$55.00
10-49 Pieces
US$45.00
50-99 Pieces
US$35.00
100-999 Pieces
US$29.00
1,000+ Pieces
Sample price:US$60.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
AISILength
Stub-lengthType
Core Drill BitMaterial
High Manganese SteelUsage
Well DrillingThread Type
Male or FemaleMachine Type
Drilling EquipmentApplicable Industries
Energy & MiningProcessing Type
ForgingUse
Well DrillingApplication
Stone Mining in MinesColor
CustomizedFeatures
Fast Speed, High EfficiencyProduct Name
Three Wings Alloy Scraper BitVideo Outgoing-Inspection
SupportedCondition
NewAPI
2 3/8"3 1/2"4 1/2"Support CustomizationWeight (Kg)
4.7kgTransport Package
Wooden BoxSpecification
75~77#Trademark
FineDrillOrigin
Changsha, Hunan, ChinaHS Code
8430691900Production Capacity
15, 000PCS/YearKey features
Customized Size Options: Available in 75mm, 76.5mm, 77mm with custom size options for specific projects.
Hot Pressed Diamond Tip: Features superior durability and precision for high-efficiency drilling in hard rock.
Wireline Design: Allows quick and easy bit changes, reducing downtime and increasing site efficiency.
Full Customization Support: Supports customization from samples, designs, and full customization by experienced engineers.
1-Year Warranty: Comprehensive 1-year warranty coverage for all mechanical defects.
Professional QC Inspection: Strict inspection and testing for every order before shipment by professional QC team.
Video Outgoing Inspection: Video inspection of products is supported before shipment to ensure quality.
Wide Application Range: Suitable for geological exploration, construction, mining, and soil sampling.
Company profile
CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Changsha Port, Shenzhen PortAverage Response Time: ≤18h
AI-Powered supplier vetting
SummaryThe supplier is identified as a trading company and limited company, with a business scope covering drilling equipment, drilling rigs, core bits, mechanical equipment, communication technologies, software development, and related services. It demonstrates broad customization options and provides ODM services, but reported no new products in the past year, no 3D software design, no SDK, and no professional technical supplier R&D capability. Service-management controls are weak: no written procedures or records were provided for supplier assessment, corrective actions, or complaint handling. No overseas warehouse, showroom, overseas agent or branch, or offline trade-show participation was reported. Raw-material traceability is unknown. The provided financial records show zero stated operating revenue, operating costs, gross profit, and operating profit for the reported periods; no monetary figures are reproduced here.
After-Sales capabilityThe supplier reported no written procedures or records for effective service-capability assessment, corrective and preventive actions, or customer complaint handling. It also reported no overseas warehouse, showroom, overseas agent or branch, or offline trade-show participation, indicating limited documented after-sales and overseas service infrastructure.
Financial creditThe provided financial-capacity records state zero operating revenue, operating costs, gross profit, and operating profit for the reported periods. These figures provide explicit evidence of no recorded operating activity in the supplied data and do not support strong financial credibility.
R&D capabilityThe supplier reported no new products in the past year, no product-information R&D capability, no professional technical supplier R&D capability, no 3D software design service, and no available SDK. Although ODM service is available, the overall evidence shows limited demonstrated innovation capability.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization; it also provides ODM services. These statements directly support a broad customization offering, although they do not establish manufacturing execution capacity.
Product Q&A
Q:Are you original manufacturer or trading company?
A:
We are an integrated corporation specialized in manufacturing and exporting.
Q:What are your main products, and used for?
A:
Our products include diamond core bits, PDC drill bits, reaming shells, core barrels, casing, drill rods, SPT equipment, drill rig and other drilling parts. They are mostly used for mineral exploration, geological drilling, geotechnical engineering, building wells drilling and soil sampling.
Q:Can you supply related drilling tools?
A:
Yes, we can supply full set of drilling tools, such as drill pipe, tricone bit, PDC bit, drag bit, DTH hammer and bit. Moreover, we have drilling equipment like mud pump, air compressor, etc. as well.
Q:How about payment, MOQ and delivery methods?
A:
1. Payment: T/T, L/C, Western Union, Paypal. 2. Min. order quantity: 1 piece. 3. Transportation: By DHL/TNT/FedEx express, air transportation, sea and train.
Q:How can you ensure the quality?
A:
We have our professional QC and all the products will be strict inspection and testing for every order before shipment.
Send Inquiry
*To:
Changsha Fast Drill Engineering Machinery Co., Ltd.
Changsha Fast Drill Engineering Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
High-Performance Premium 35mm M14 Diamond Core Drilling Bits for Dekton Ceramics
US$15.00-20.00
5 Pieces(MOQ)
High-Performance Premium Ceramic Diamond Drill Bits for Ceramic Tile Drilling
US$2.00-6.00
5 PCS(MOQ)
Premium Diamond Drill Bit Vacuum Brazed Drill Bit Dry Drill Bit for Porcelain
US$2.50-4.00
5 PCS(MOQ)
Premium Quality Diamond Drill Bit Wet Use Diamond Core Bit Diamond Hole Saw for Granite
US$4.00-35.00
1 Piece(MOQ)
Premium Diamond Core Bits for Efficient Hard Rock Drilling
US$1.80
100 Pieces(MOQ)
4-150mm Premium Dry Diamond Crown Drill Bit Hole Saw Hole Cutter for Porcelain Tile Granite Marble Stone
US$3.10-3.20
50 Pieces(MOQ)
PDC Diamond Core Drill Bit for Geological Core Sampling
US$300.66-700.77
1 Piece(MOQ)
Premium Segments Diamond Drill Bits for Precision Tile Cutting
US$1.60-1.80
2 Pieces(MOQ)
Premium Quality Dry Granite Diamond Tip Core Drill Bit
US$2.00-10.00
1 Piece(MOQ)
Premium 63mm Diamond Wet Core Drill Bit for Concrete Cutting
US$12.00
100 Bags(MOQ)
55mm M14 Thread Premium Diamond Core Drill Bit for Concrete Marble Granite
US$7.14-10.71
200 pieces(MOQ)
Premium 6-150mm M14 Thread Diamond Core Drill Bits for Porcelain
US$1.50-1.60
10 Pieces(MOQ)
Premium Grade T46 T56 T66 Tsp Diamond Core Bit for Core Drilling
US$65.00-79.00
1 Piece(MOQ)
Premium Diamond Tool Fast Drilling No Broken Edges for Diamond Granite Core Bit
US$1.44-1.61
10 Pieces(MOQ)



















