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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: ≤5.99h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryHejian Longyue Drill Bit Manufacture Co., Ltd. is a China-based manufacturing factory in Hejian, Cangzhou, Hebei, established in 2016, with 67 employees and a 10,000 m² plant. It produces drilling-related equipment, operates more than 10 production lines, and has 6–10 quality-control staff. The supplier states that it can design HY PDC bits according to customer requirements, indicating customization capability. It has five years of R&D engineer experience, exports 51%–70% of sales, and holds self-operated import and export rights. However, the provided information does not confirm certifications, after-sales capabilities, or verified customer cases. Trade records show limited documented import activity involving Uzbekistan and Kazakhstan, but these records alone do not establish broad customer performance or financial credibility.
Supplier typeThe supplier is explicitly identified as a factory/manufacturer and a limited company located in Hejian, Cangzhou, Hebei, China. Its stated business scope includes drilling equipment and manufacturing-related products, consistent with a specialized industrial manufacturer.
R&D capabilityThe supplier reports five years of total R&D engineer experience and states that it can design HY PDC bits according to customer requests. This provides explicit evidence of product-design capability, although no broader R&D team size, patents, testing facilities, or innovation results are given.
Production capacityThe supplier operates more than 10 production lines, employs 6–10 quality-control staff, and has a 10,000 m² manufacturing plant with 67 total employees. These stated operational resources support a positive assessment of production capability, though actual capacity and delivery performance are not specified.
Customization capabilityThe company explicitly states that it can design HY PDC bits according to customer requirements. Its listed product range includes PDC bits, tricone bits, roller cones, hole openers, rock reamers, and related drilling products, supporting product-specific 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:
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