Powered by Made-in-China.com

Premium Ultra-Durable Diamond Drill Bits for Precision Tasks
US$9.90
2-9 Pieces
US$8.50
10-49 Pieces
US$7.90
50-99 Pieces
US$7.50
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 Diamond Tech: Diamonds securely embedded in gold-steel matrix for superior durability and structural integrity.
Thin-Wall Design: Greater diamond exposure ensures faster cutting and higher efficiency through various rock types.
Wide Diameter Range: Available in diameters from 22mm to 320mm to suit diverse drilling applications.
Customizable Lengths: Lengths can be customized to fit specific drilling needs, up to 1 meter standard.
Versatile Application: Ideal for mining, construction, geological exploration, and water well drilling.
High Pressure Resistance: Gold-steel matrix withstands high pressures and temperatures in hard rock formations.
Professional QC Inspection: Strict inspection and testing for every order before shipment to ensure quality.
Full Set Supply: Supply full set of drilling tools including pipes, bits, hammers, and equipment.
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?
A:
Our main products include diamond core bits, PDC drill bits, reaming shells, core barrels, casing, drill rods, and drilling rigs.
Q:Can you supply related drilling tools?
A:
Yes, we supply full sets of drilling tools such as drill pipes, tricone bits, PDC bits, drag bits, DTH hammers, mud pumps, and air compressors.
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 on all products 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 Chamfer Drill Bits for Precision Milling Applications
US$1.60-3.50
10 Pieces(MOQ)
Durable Premium Spade Drill Bit for Precision Wood Drilling
US$0.40-3.00
1,000 Pieces(MOQ)
Premium Flat Spade Drill Bits for Precision Woodworking Tasks
US$0.65-2.85
300 Pieces(MOQ)
Premium Wood Flat Drill Bits for Precision Boring Tasks and Woodworking Projects
US$0.10-5.00
1 Piece(MOQ)
High Precision Machining Tungsten Carbide Ultra Fine Drill Bit for Metal Cutting
US$10.00
50 Pieces(MOQ)
Premium Flat Drill Bit Set for Precision Woodworking Tasks
US$0.65-2.85
300 Pieces(MOQ)
Precision Drilling Solutions for Marble, Concrete, Wall Tasks Diamond Core Drill Bits
US$12.60-14.00
10 Pieces(MOQ)
Premium Durable Drill Bits for Stone and Porcelain Surfaces
US$1.80
100 Pieces(MOQ)
Premium Dekton Ceramic Diamond Drill Bit for Precision Cutting
US$15.00-20.00
5 Pieces(MOQ)
High-Performance Premium Ceramic Diamond Drill Bits for Ceramic Tile Drilling
US$2.00-6.00
5 PCS(MOQ)
Premium 6-150mm M14 Thread Diamond Core Drill Bits for Porcelain
US$1.50-1.60
10 Pieces(MOQ)
High-Performance Hex Vacuum Brazed Diamond Drill Bit Set for Precision Drilling
US$6.00-22.00
5 PCS(MOQ)
Premium High-Speed Steel Step Drill Bits for Metal Precision
US$0.85-3.50
500 Pieces(MOQ)
Premium High-Precision HSS Step Drill Bits for Metalwork
US$0.85-3.50
500 Pieces(MOQ)
Premium 50mm Tungsten Carbide Cross Drill Bits for Precision Drilling
US$3.50-3.70
100 Pieces(MOQ)
Premium Diamond-Coated PDC Drill Bit for Hard Rock Wells
US$79.00-990.00
1 Piece(MOQ)
Premium Maxdrill High-Quality Threaded Button Drill Bit for Durable Performance
US$110.00-125.00
10 Pieces(MOQ)



















