Powered by Made-in-China.com

Premium Diamond Drill Bit for Superior Drilling Performance
US$60.00
2-9 Pieces
US$55.00
10-49 Pieces
US$45.00
50-99 Pieces
US$35.00
100-999 Pieces
US$29.00
1,000+ Pieces
Sample price:US$60.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
AISILength
Stub-lengthType
Core Drill BitMaterial
High Manganese SteelUsage
Well Drilling, PCB Drilling, Masonry DrillingBit Material
Hot Pressed DiamondDiameter Sizes
Standard Sizes Include 75mm, 76.5mm, and 77mm, WitDrilling Speed
Capable of Rapid Drilling, Reducing The Time RequiDurability
Designed for High Durability, These Drill Bits MinWear Rate
with a Low Wear Rate, These Drill Bits Extend TheiEfficiency Improvement
The Design Optimizes for Reduced Resistance DuringDrill Rig Stability
The Drill Bits Help Stabilize The Drilling EquipmeHole Diameter Correction Capability
They Possess The Ability to Correct Hole DiametersEase of Operation
Easy to Operate and Maintain, Simplifying The DrilApplication Rangeapplication Range
Suitable for a Variety of Geological Conditions anVideo
YesAPI
2 3/8"3 1/2"4 1/2"Support CustomizationColor
CustomizeTransport Package
Wooden BoxSpecification
75~77#Trademark
FineDrillOrigin
Changsha, Hunan, ChinaHS Code
8430691900Production Capacity
15, 000PCS/YearKey features
Hot Pressed Diamond Tip: Features superior durability and precision for hard rock and concrete drilling.
Customizable Sizes: Available in 75mm, 76.5mm, 77mm with options for custom diameter requirements.
Wireline Design: Allows quick bit changes, reducing downtime and increasing on-site efficiency.
High Durability: Designed for long-lasting performance in professional and industrial operations.
Versatile Application: Suitable for geological exploration, construction, mining, and various geological conditions.
Low Wear Rate: Optimized design reduces resistance and extends service life during drilling.
1-Year Warranty: Comprehensive 1-year warranty coverage for quality assurance.
Professional QC: Strict inspection and testing for every order before shipment ensures quality.
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 products include diamond core bits, PDC drill bits, reaming shells, core barrels, casing, drill rods, and other drilling parts used for mineral exploration and geological drilling.
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 is quality ensured?
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
High-Performance Hex Vacuum Brazed Diamond Drill Bit Set for Precision Drilling
US$6.00-22.00
5 PCS(MOQ)
High-Performance Diamond Tool Vacuum Brazed Core Drill Bit for Rock
US$3.00-7.00
5 PCS(MOQ)
Drill Bit for Drilling Stone-Diamond Drill Bit for Stone Jewelry Drilling
US$3.36
10 Pieces(MOQ)
High-Performance Premium Ceramic Diamond Drill Bits for Ceramic Tile Drilling
US$2.00-6.00
5 PCS(MOQ)
High-Performance Premium 35mm M14 Diamond Core Drilling Bits for Dekton Ceramics
US$15.00-20.00
5 Pieces(MOQ)
Superior Diamond Rock PDC Drill Bit for Mining Water Well Drilling
US$800.00-3,000.00
1 Piece(MOQ)
Maxdrill T38 70mm Drop Center Retrac Button Bit for Superior Drilling Performance
US$75.00-81.00
25 Pieces(MOQ)
Premium 6-150mm M14 Thread Diamond Core Drill Bits for Porcelain
US$1.50-1.60
10 Pieces(MOQ)
Premium CIR110 Rock Crown Bit for Superior Downhole Drilling Efficiency
US$30.14-31.00
2 Pieces(MOQ)
High-Performance Wet Drilling Bit for Concrete and Masonry Diamond Core Drill Bits
US$5.59-6.58
1 Piece(MOQ)
R25 Trapezoidal Button Drill Bit for Superior Performance
US$49.99-100.00
200 Pieces(MOQ)
Eng High Performance 12-1/4inch PDC Drill Bit for Water Well Drilling
US$800.00-2,000.00
1 Piece(MOQ)
High-Performance Diamond Chamfer Drill Bits for Accurate Cutting
US$1.60-2.00
10 Pieces(MOQ)
Premium High-Performance DTH Carbide Drill Bit for Large Projects
US$97.00-100.00
10 Pieces(MOQ)
Premium T51 102mm Button Drill Bit for Fast Performance
US$115.00-159.00
20 Pieces(MOQ)
Premium 35mm Vacuum Brazed Diamond Core Drill Bits for Porcelain
US$3.60-3.80
10 Pieces(MOQ)
Premium Segments Diamond Drill Bits for Precision Tile Cutting
US$1.60-1.80
2 Pieces(MOQ)
Eng High Performance 12-1/4inch PDC Drill Bit for Mine Well Drilling
US$1.00-3,000.00
1 Piece(MOQ)
Atlas Premium DTH Rock Drill Bit for Superior Mining Performance
US$97.00-100.00
10 Pieces(MOQ)



















