Powered by Made-in-China.com
Precision Engineered Diamond Core Drill Bits for Construction Projects
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
Hot Pressed Diamond Tip: Features superior durability and precision for hard rock and concrete drilling.
Custom Size Options: Available in 75mm, 76.5mm, 77mm with custom sizes to meet specific project needs.
Wireline Design: Allows quick and easy bit changes, reducing downtime and increasing efficiency.
Multi-Industry Application: Suitable for geological exploration, construction, mining, and well drilling.
High Efficiency: Designed for fast speed and high efficiency in professional drilling operations.
Flexible Customization: Supports customization from samples, designs, and minor adjustments.
One-Year Warranty: Comprehensive 1-year warranty coverage for peace of mind.
Video Inspection: Video outgoing-inspection provided to ensure quality before shipment.
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:What are the available sizes for these drill bits?
A:
Standard sizes include 75mm, 76.5mm, and 77mm. Custom sizes are also available to meet specific project requirements.
Q:What materials are used in the construction of these bits?
A:
The bits are constructed from high-quality materials, including carbide and high manganese steel, ensuring long-lasting performance.
Q:What is the warranty period for these products?
A:
We provide a 1-year warranty for our drill bits to ensure customer satisfaction and product reliability.
Q:Can I customize the thread type or machine type?
A:
Yes, we offer customization options including male or female thread types and compatibility with various drilling equipment.
Q:What is the minimum order quantity (MOQ)?
A:
The minimum order quantity is 1 piece, allowing for flexible purchasing options for small or large projects.
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 Hex Vacuum Brazed Diamond Drill Bit Set for Precision Drilling
US$6.00-22.00
5 PCS(MOQ)
Equipment Compatible Diamond Core Bits for All Brand Core Drills Use
US$9.99-59.99
20 Pieces(MOQ)
Stone Core Drill Bit with Precision-Ground Cutting Edge for Clean Holes
US$1.44-1.61
10 Pieces(MOQ)
Highway Specialized Diamond Core Bits for Road Widening Construction Work
US$9.99-59.99
20 Pieces(MOQ)
Od150mm Diamond Core Drill Bits for Construction
US$8.80-17.00
50 Pieces(MOQ)
Premium Flat Drill Bit Set for Precision Woodworking Projects
US$0.65-2.85
300 Pieces(MOQ)
Precision Tungsten Solid Carbide Core Drill Bit for Metal Hardened Steel
US$1.00-2.50
10 Pieces(MOQ)
Construction Projects Durable Versatile Diamond Core Drill Bit
US$1.20-1.80
100 Pieces(MOQ)
127mm Hole Saw Wet Diamond Concrete Core Drilling Bits for Construction Concrete
US$17.70-24.20
5 Pieces(MOQ)
Od102mm 4inch 4" Diamond Core Bit Drilling Bits for Construction
Negotiable
50 Pieces(MOQ)
T66 B66 Diamond Core Drill Bit for Civil Construction
US$60.00-200.00
1 Piece(MOQ)
Diamond Core Drill Bits for Civil Engineering Construction
US$85.00
2 Pieces(MOQ)
Flap Head Diamond Drill Bit Female Buckle for Water Well Construction
US$79.00-80.00
1 Piece(MOQ)
Od50mm Diamond Drill Concrete Core Bit for Construction
US$17.00-60.00
50 Pieces(MOQ)
Engineered for Easy Handling and Precision with SDS Pilot Bit Adapter Dry Core Drill Bit
US$8.50-13.50
1 Piece(MOQ)



















