Can the bit be customized?

Yes, the center nozzle can be customized, and OEM/ODM services are available for other specifications.

What is the average lead time?

Peak Season Lead Time: within 15 workdays. Off Season Lead Time: within 15 workdays.

What are the payment terms?

We accept LC, T/T, D/P, and PayPal.

8 1-2 Inch TCI Roller Cone Bit IADC417/437/447/517/537/617/637

Name: 8 1-2 Inch TCI Roller Cone Bit IADC417/437/447/517/537/617/637
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2097454375

Hebei, ChinaHejian Longyue Drill Bit Manufacture Co., Ltd.

US$400.00-800.00

1 Piece

Sample price:US$500.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Model NO.

8 1/2''

Length

Taper-length

Type

Center Drill Bit

Material

High Carbon Steel

Usage

Well Drilling

Machine Type

Drilling Tool

Processing Type

Forging

Advantage

High-Efficiency, Wear Resistant

Bearing Type

Journal /Roller Bearing Bit

Pin Connection

4 1/2'' Regular

Transport Package

Wooden Case

Specification

8 1/2''

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Week

Key features

Wide IADC Code Range: Available in IADC codes 117, 127, 126, 217, 417, 437, 517, 537, 617, 627, 637, 737.

Customizable Center Nozzle: The center nozzle design can be customized to meet specific drilling requirements.

High-Efficiency Wear Resistance: Features tungsten carbide inserts and hardfaced thrust faces for superior wear resistance.

Advanced Bearing System: Equipped with metal sealed or rubber sealed bearings for enhanced durability.

Gauge Protection Design: Shirttail features more carbide inserts to increase gauge holding capability and bearing life.

Optimized Drilling Parameters: Specific WOB and RPM ranges provided for various formation types from soft to very hard.

OEM and ODM Services: Full OEM and ODM services available for customized drilling tool solutions.

Fast Delivery Capability: Regular models kept in stock with prompt delivery; factory near Beijing and Tianjin ports.

Company profile

Hejian Longyue Drill Bit Manufacture Co., Ltd.

Hebei, China

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: ≤4.49h 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?

Please send us 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.), and 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

Q:About lead time, payment terms, delivery?

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.

Q:What is the warranty period?

The product features advanced grease lubrication and seal systems with thrust faces hardfaced with wear-resistant alloy to ensure long service life and reliability.

Q:What are the available bit sizes?

Available sizes include 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4''.

Q:What materials are used for the bit?

The bit is made of High Carbon Steel with tungsten carbide inserts and inlaid friction-reducing alloy.