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Factory Directly Supply 8 1-2 Inch Oilfield Drilling Rock/Roller Cone Cutter Bit
US$400.00-800.00
1 Piece
Sample price:US$500.00/piece.Request sample
Product profile
Customization
AvailableCustomized
CustomizedStandard
AISIModel NO.
8 1/2''Length
Taper-lengthType
Center Drill BitMaterial
High Carbon SteelUsage
Well DrillingMachine Type
Drilling ToolProcessing Type
ForgingAdvantage
High-Efficiency, Wear ResistantBearing Type
Journal /Roller Bearing BitPin Connection
4 1/2'' RegularTransport Package
Wooden CaseSpecification
8 1/2''Trademark
LONGYUEOrigin
Hebei, ChinaHS Code
8207199000Production Capacity
200 Pieces/WeekKey features
High-Efficiency Wear Resistance: Features tungsten carbide inserts and wear-resistant alloy hardfacing for extended durability.
Customizable Center Nozzle: The center nozzle design can be customized to meet specific drilling requirements.
Wide Range of IADC Codes: Available in multiple IADC codes (117-737) for various formation types from soft to very hard.
Advanced Bearing System: Equipped with metal sealed and rubber sealed bearings for reliable performance.
Gauge Protection Design: Shirttail design with extra carbide inserts increases gauge holding capability and bearing life.
OEM and ODM Services: Full OEM and ODM services available for custom drilling tool manufacturing.
Fast Inland Transportation: Factory is near Beijing and Tianjin ports with one-day transport for fast delivery.
Regular Models in Stock: Regular models are kept in stock to ensure prompt delivery for immediate needs.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2016-08-01 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤4.50h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHejian Longyue Drill Bit Manufacture Co., Ltd. is a manufacturing factory located in Hejian City, Cangzhou, Hebei, China. Established in 2016, it operates over 10 production lines with an annual output between US$10 million and US$50 million. The company exports 51% to 70% of its products and has self-managed import-export rights. It specializes in producing drill bits and other related tools, serving both domestic and international markets.
Supplier typeThe supplier is a manufacturing factory operating as a limited company in Hebei, China, established in 2016.
After-Sales capabilityThe supplier emphasizes prompt and sincere responses to inquiries, indicating a focus on customer service.
R&D capabilityThe company has a total of 5 R&D engineers and is capable of designing drill bits, showing some innovation capability.
Production capacityWith over 10 production lines and a plant area of 10,000 m², the supplier shows strong production capacity.
Customization capabilityThe supplier can design PDC bits according to customer requests, indicating customization capability.
Product Q&A
Q:How to get an exact quotation?
A:
Please send detailed information including Tricone/PDC bits specifications, Hole opener details, Roller cutters, drilling depth, rock hardness, rig capacity, application type, Incoterm, and shipping method. Photos are also helpful.
Q:What are the lead time and payment terms?
A:
Regular models are available in stock for prompt delivery. Mass production lead time depends on order quantity. We accept L/C, T/T, D/P, and PayPal.
Q:What is the center nozzle customization option?
A:
The center nozzle can be customized to suit specific drilling conditions and requirements.
Q:What formations are suitable for IADC code 117?
A:
Code 117 is suitable for very soft formations with low compressive strength and high drillability, such as clay, mudstone, and chalk.
Q:What is the maximum WOB and RPM for code 637?
A:
For code 637, the WOB range is 0.5-1.2 kn/mm and RPM is 80-40. Note that upper limits should not be used simultaneously.
Send Inquiry
*To:Hejian Longyue Drill Bit Manufacture Co., Ltd.
Hejian Longyue Drill Bit Manufacture Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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