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Premium Quality Diamond Core Drill Bits for Professionals
US$49.90
1-9 Pieces
US$48.90
10-99 Pieces
US$46.90
100-999 Pieces
US$45.90
1,000+ Pieces
Product profile
Customization
AvailableType
Core DrillUsage
Metal Drilling, Well Drilling, Wood DrillingMachine Type
Drilling ToolMaterial
Carbon Steel, DiamondDiameter
3.85 InchKey Words2
Hot Press Diamond Drill BitUse
Coal MiningManufacturing Process
ForgingWeight
0.8Video Outgoing-Inspection
SupportedKey Words
Water Well Core Drill BitAdvantage
Wear ResistantApplicable Industries
Energy & MiningSize
75mmProduct Name
Electroplating Drill BitsColor
CustomizedTransport Package
Carton or Wooden BoxSpecification
DCDMA, CDDA, ISOOrigin
Changsha, Hunan, ChinaHS Code
8430691900Production Capacity
15, 000PCS/YearKey features
Versatile Drilling Applications: Suitable for metal, well, wood, coal mining, and geological exploration drilling.
High-Speed Performance: Offers superior speed compared to traditional alloy bits in soft to hard strata.
Wear Resistant Material: Constructed with carbon steel and diamond compact pieces for durability.
Customizable Color Options: Color can be customized according to specific requirements.
Comprehensive Inspection Support: Video outgoing-inspection and machinery test reports are provided.
Flexible Customization Services: Supports full, minor, and flexible customization from samples or designs.
Fast Lead Time: Production completed within 15 workdays during both peak and off-peak seasons.
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: ≤15h
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 is the warranty period for the drill bits?
A:
We provide a 6-month warranty for all our electroplated diamond drill bits.
Q:Can the drill bits be customized?
A:
Yes, we offer full, minor, and flexible customization options based on samples or designs.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece.
Q:What materials are used to make these drill bits?
A:
They are made from carbon steel and diamond compact pieces.
Q:What industries can use these drill bits?
A:
They are applicable for construction, energy & mining, and geological exploration.
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
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