Powered by Made-in-China.com

Premium Quality Diamond Core Bits for Geological Surveys
US$27.00
2-9 Pieces
US$25.00
10-49 Pieces
US$20.00
50-99 Pieces
US$15.00
100-999 Pieces
US$6.10
1,000+ Pieces
Sample price:US$15.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
AISILength
Stub-lengthType
PDC BitsMaterial
High Manganese SteelUsage
Well DrillingThread Type
Male ThreadMachine Type
Drilling EquipmentApplicable Industries
Energy & MiningProcessing Type
ForgingUse
Well DrillingApplication
Groutiong Coal Mine Gas Discharge Water Well DrillColor
CustomizedFeatures
Fast Speed, High EfficiencyProduct Name
Four Wings Reinforced Arc Angle Drilling BitsVideo Outgoing-Inspection
SupportedCondition
NewAPI
2 3/8"3 1/2"4 1/2"Support CustomizationWeight (Kg)
4kgSize
220mmMain Material
Tungsten CarbideTransport Package
Standard Exporting Packing.Specification
220#Trademark
Fast DrillOrigin
Changsha, Hunan, ChinaHS Code
8430691900Production Capacity
15, 000PCS/YearKey features
Thermally Pressed Technology: Diamonds securely embedded in gold-steel matrix for enhanced structural integrity and longevity.
Wide Diameter Range: Available in diameters from 22mm to 320mm to suit various drilling applications.
Thin-Wall Design: Increases diamond surface exposure for faster, more efficient cutting through rock types.
High Efficiency Features: Fast speed and high efficiency, ideal for hard rock formations and tough conditions.
Customizable Options: Supports customization for thread type, color, and specific design requirements.
Versatile Applications: Suitable for mining, construction, geological exploration, and water well drilling.
Low Maintenance: Consistent and even wear design prolongs lifespan and reduces replacement frequency.
Factory Direct Supply: Direct from factory with guaranteed quality and competitive pricing.
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:Are you a manufacturer or trading company?
A:
We are an integrated corporation specialized in manufacturing and exporting drilling equipment.
Q:What are your main products and their uses?
A:
Our main products include diamond core bits, PDC drill bits, and reaming shells, used for mineral exploration, geological drilling, and soil sampling.
Q:Can you supply related drilling tools?
A:
Yes, we supply full sets of drilling tools including drill pipes, tricone bits, PDC bits, DTH hammers, and equipment like mud pumps.
Q:What are the payment terms and MOQ?
A:
Payment methods include T/T, L/C, Western Union, and PayPal. The minimum order quantity is 1 piece.
Q:How do you ensure product quality?
A:
We have a professional QC team that conducts strict inspection and testing for every order before shipment.
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 Quality Dry Use Diamond Drill Bit for Granite
US$20.00
5 Pieces(MOQ)
Premium Quality Dry Granite Diamond Tip Core Drill Bit
US$2.00-10.00
1 Piece(MOQ)
Premium Quality Diamond Dry Drill Bit for Granite Sandstone Drill Bit
US$1.10-6.50
5 Pieces(MOQ)
Vacuum Brazed Diamond Drill Bits Premium Quality Drill Bit for Porcelain
US$3.00-5.00
5 PCS(MOQ)
Premium Quality Stone Core Drill Bit for Commercial Building Works
US$1.44-1.61
10 Pieces(MOQ)
Premium Quality Diamond Drill Bit Wet Use Diamond Core Bit Diamond Hole Saw for Granite
US$4.00-35.00
1 Piece(MOQ)
Premium Quality Dry Diamond Core Bits with Vacuum Brazed Protection for High-Efficiency Granite Drilling
US$6.00-7.00
10 Pieces(MOQ)
Nq Hq Pq Diamond Core Drill Bits for Geological Exploration
US$105.00-360.00
1 Piece(MOQ)
Premium 6-150mm M14 Thread Diamond Core Drill Bits for Porcelain
US$1.50-1.60
10 Pieces(MOQ)
Premium Electroplated Diamond Core Bit for Precision Glass Cutting
US$0.15-15.00
100 Pieces(MOQ)
Premium Diamond Bits for Rock Drilling and Core Extraction
US$15.50-57.70
1 Piece(MOQ)
Geological Impregnated Diamond Core Drill Bits for Water Well Core Mining
US$50.00-150.00
1 pieces(MOQ)
PDC Diamond Core Drill Bit for Geological Core Sampling
US$300.66-700.77
1 Piece(MOQ)
Hmlc Nmlc Diamond Core Drill Bits for Geological Prospecting
US$105.00-200.00
1 Piece(MOQ)
Tnw /Tbw Diamond Core Drill Bits for Geological Exploration
US$80.00-110.00
1 Piece(MOQ)
Premium Diamond Core Drill Bit for Reinforced Concrete Manufacturer
Negotiable
100 Pieces(MOQ)
Premium Diamond Core Drill Bit for Reinforced Concrete
Negotiable
100 Pieces(MOQ)
Premium 63mm Diamond Wet Core Drill Bit for Concrete Cutting
US$12.00
100 Bags(MOQ)



















