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Premium Industrial Core Drill Bits - Hq, Nq, Pq Sizes 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 DrillingModel NO.
NQMachine 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
Hot Press BitAdvantage
Wear ResistantApplicable Industries
Energy & MiningSize
75mmProduct Name
Electroplating Drill BitsColor
CustomizedMOQ
10PCSTransport Package
Carton or Wooden BoxSpecification
DCDMA, CDDA, ISOOrigin
Changsha, Hunan, ChinaHS Code
8430691900Production Capacity
15, 000PCS/YearKey features
Multiple Bit Types: Offers Impregnated, Surface Set, Tungsten Carbide, PDC, PCD, and Electroplated Diamond types.
Customizable Color: Color is customized to meet specific client requirements.
Wear Resistant: Designed with wear-resistant features for extended durability in harsh conditions.
Wide Application: Suitable for drilling rock, concrete, limestone, granite, marble, clay, basalt, and schist.
6 Months Warranty: Comes with a 6-month warranty for peace of mind and quality assurance.
Low MOQ: Minimum Order Quantity is just 1 piece, allowing for flexible purchasing.
Video Inspection: Video outgoing-inspection is provided to verify product condition 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: ≤11.50h
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 types of core drill bits are available?
A:
We offer six types: Impregnated Diamond, Surface Set Diamond, Tungsten Carbide, PDC, PCD, and Electroplated Diamond.
Q:What materials can these drill bits be used on?
A:
They are suitable for drilling rock, concrete, limestone, granite, marble, clay, basalt, schist, and quartz.
Q:What is the minimum order quantity?
A:
The MOQ is 1 piece, allowing for small batch orders.
Q:Is customization available for this product?
A:
Yes, we offer full customization, minor customization, and customization from samples or designs.
Q:What is the warranty period for the drill bits?
A:
The warranty period is 6 months.
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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