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8 1/2 Inch Single Roller Cones Bit / TCI Roller Cone Cutters
US$300.00-900.00
1 Piece
Sample price:US$300.00/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
Wide IADC Code Range: Supports codes 117, 127, 126, 217, 417, 437, 517, 537, 617, 627, 637, 737 for various formations.
Customizable Center Nozzle: The center nozzle can be customized to meet specific drilling requirements.
High-Efficiency Wear Resistance: Features tungsten carbide inserts and hardfaced wear-resistant alloy for extended life.
Advanced Bearing Protection: Equipped with metal sealed and rubber sealed bearings for durability.
Enhanced Gauge Protection: Shirttail design with extra carbide inserts increases gauge holding capability.
Optimized Lubrication System: Adopts advanced grease and pressure control system with thrust face compensator.
OEM and ODM Services: Full OEM and ODM services available for customized drilling tools.
Fast Delivery Capability: Regular models in stock with prompt delivery and fast inland transport.
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: ≤3.62h 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 bits (Diameter, IADC code), PDC bits (Matrix or Steel body, blades quantity, cutter size, etc.), Hole opener (Diameter, size of pilot hole, hardness of rocks, thread connection of your drill pipe, etc.), Roller cutters (Diameter of cones, model number, etc.). A simple way is sending us photos. Besides above, if possible please provide more information as below: Drilling depth in vertical well drilling, Drilling length in HDD, hardness of rocks,
Q:What are the lead time, payment terms, and delivery details?
A:
We always have regular models available in stock, prompt delivery is one of our advantages. Mass production depends on quantity of order. We accept all regular payment terms including L/C, T/T, etc. We are near from Beijing airport and Tianjin(Xingang) seaport, transportation from our factory to Beijing or Tianjin only takes one day, fast and very economical inland charges.
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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