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8 1/2'' IADC 537 Medium Hard Rock Three Roller Cone Bit
US$800.00-1,500.00
1 Piece
Sample price:US$800.00/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 BitDrilling Formation
Medium Hard FormationTransport Package
Wooden CaseSpecification
8 1/2''Trademark
LONGYUEOrigin
Hebei, ChinaHS Code
8207199000Production Capacity
200 Pieces/MonthKey features
IADC 537 Classification: Designed for medium hard rock formations with low compressive strength.
High Carbon Steel Material: Constructed from high carbon steel for superior durability and wear resistance.
Three Roller Cone Design: Features journal/roller bearing bit technology for efficient drilling.
Customized Manufacturing: Offers OEM and ODM services with customizable machine types and processing.
Fast Inland Logistics: Factory is one day from Beijing airport and Tianjin seaport for economical shipping.
Stock Availability: Regular models are kept in stock for prompt delivery and quick turnaround.
Flexible Payment Terms: Accepts L/C, T/T, D/P, and PayPal for secure and convenient transactions.
Global Export Experience: Exports to over 25 countries including USA, Australia, and Middle East nations.
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: ≤5.59h 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), Hole opener (Diameter, pilot hole size, rock hardness, thread connection), and Roller cutters (Diameter of cones, model number). Sending photos is also acceptable. For better accuracy, provide drilling depth, drilling length, rock hardness, drill rig capacity, application type (oil/gas, water, HDD, foundation), Incoterm (FOB, CIF, CFR), transport mode (pla
Q:What are the lead time and delivery conditions?
A:
We always have regular models available in stock for prompt delivery. Mass production lead time depends on the order quantity. Peak season and off-season lead times are both within 15 workdays. Our factory is located near Beijing airport and Tianjin seaport, with inland transportation taking only one day.
Q:What payment terms do you accept?
A:
We accept all regular payment terms including L/C, T/T, D/P, and PayPal.
Q:What formations is this bit suitable for?
A:
This bit is designed for soft to medium soft to medium hard formations with low compressive strength, such as medium shale, sandstone, and medium limestone.
Q:Do you offer OEM and ODM services?
A:
Yes, we offer both OEM and ODM services with customizable machine types and processing options.
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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