Powered by Made-in-China.com
High-Efficiency Diamond Core Drill Bit for Professional Use
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
Wear Resistant Design: Constructed with carbon steel and diamond for superior durability in hard strata.
Customized Color Options: Available in customized colors to meet specific project requirements.
High-Speed Performance: Delivers speed like flying compared to traditional alloy bits in red sandstone.
Versatile Strata Application: Suitable for soft to hard strata including conglomerate, sandstone, and shale.
Full Customization Support: Offers full customization, minor customization, and flexible customization options.
Video Inspection Available: Video outgoing-inspection is provided to ensure product quality before shipment.
Flexible MOQ: Minimum Order Quantity starts from just 1 piece for geological exploration.
Fast Lead Time: Peak and off-season lead times are both within 15 workdays.
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 bit?
A:
We provide a 6-month warranty for all our electroplated diamond drill bits.
Q:Can I customize the color of the drill bit?
A:
Yes, customized color options are available to meet your specific needs.
Q:What is the minimum order quantity?
A:
The minimum order quantity is 1 piece, making it suitable for small-scale geological exploration.
Q:How long does it take to ship the product?
A:
The lead time is within 15 workdays for both peak and off-season periods.
Q:Is video inspection available before shipment?
A:
Yes, video outgoing-inspection is provided to ensure the product meets quality standards.
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
Premium 2mm 60mm Electroplated Diamond Drill Bit for Granite
US$0.50-2.00
50 Pieces(MOQ)
High Efficiency Z76 Z86 Z101 Core Drill Bit for Deep Hole Drilling
US$50.00-150.00
1 Piece(MOQ)
Diamond Core Drill Bits for Reinforced Concrete Drilling with High Speed
US$10.00-30.00
20 Pieces(MOQ)
High Performance Diamond Drill Bit PDC Concave Drag Bit for Coal Mining Rig
US$30.00-500.00
1 Piece(MOQ)
Can Be Customized Diamond Core Bits for Drilling Rigs
US$30.00-360.00
1 Piece(MOQ)
Impregenated Drill Bit T Series Double Tube T2-76 Impregnated Diamond Core Drill Bit for Mining Drilling
US$58.00-288.00
1 Piece(MOQ)
High-Performance Thermally Pressed Diamond Drill Bit for Construction and Mining Applications
US$50.00-200.00
1 Piece(MOQ)
Od 6mm Vacuum Brazed Diamond Core Drill Bits for Porcelain Tile
US$2.60
20 Pieces(MOQ)
Custom High Quality 68mm diamond core drill bit for Tile Ceramic
US$6.40-6.60
1 Piece(MOQ)
52mm Dry Use Diamond Core Drill Bits for Concrete
US$10.00-50.00
20 Pieces(MOQ)
Best Quality and High Efficiency Pq Diamond Core Bit for Rock Drilling with Drilling Rig Machine
US$130.00-200.00
1 Piece(MOQ)
High Quality Professional Diamond Core Drill Bits for Concrete and Masonry/Diamond Tool
US$10.00-150.00
10 Pieces(MOQ)
Concrete Stone Drilling High Efficiency Sharp Diamond Core Drill Bit
US$5.03-7.90
100 Pieces(MOQ)
78mm Diamond Core Drill Bits for Reinforced Concrete/Diamond Tooling Solutions
US$10.00-30.00
20 Pieces(MOQ)
T2-76 Series Diamond Core Bit for Soft Hard Rock/T Series Core Drill Bit for Mineral Exploration
US$75.00-200.00
1 Piece(MOQ)



















