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Durable Diamond Core Drill Bits for Hassle-Free Operations
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
Hot Press 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
Diamond Compact Cutting: Uses diamond compact pieces for scraping and shearing to crush rock formations efficiently.
High Speed Performance: Drilling speed is significantly faster than traditional alloy bits, described as 'speed like flying'.
Versatile Strata Application: Suitable for soft to hard strata including red sandstone, conglomerate, sandstone, and shale.
Wear Resistant Design: Constructed with carbon steel and diamond, offering superior wear resistance for durability.
Customizable Options: Offers full customization, minor customization, and flexible customization from samples or designs.
6 Months Warranty: Comprehensive 6-month warranty coverage for peace of mind and quality assurance.
Fast Lead Time: Average lead time within 15 workdays for both peak and off-season orders.
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 types of rock formations is this drill bit suitable for?
A:
It is suitable for drilling in soft to hard strata, including red sandstone, hard old red sandstone, conglomerate, sandstone, and shale.
Q:What is the warranty period for these drill bits?
A:
We provide a 6-month warranty for these electroplated diamond drill bits.
Q:Can I customize the drill bits?
A:
Yes, we offer full customization, minor customization, flexible customization, and customization from samples or designs.
Q:What is the minimum order quantity (MOQ)?
A:
The minimum order quantity is 1 piece.
Q:What are the available payment terms?
A:
We accept T/T, PayPal, D/P, Western Union, Small-amount payment, and LC.
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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