What are the recommended drilling parameters?

Recommended parameters vary by IADC code, including specific WOB (kn/mm) and RPM (r/min) ranges for different formations such as very soft, soft, medium hard, and hard formations.

Do you offer OEM and ODM services?

Yes, we offer both OEM and ODM services for our drilling tools.

What is the average lead time?

The average lead time is within 15 workdays for both peak and off-peak seasons.

Best Price Tricone Bit Three Cone Rock Roller Drill Bit

Name: Best Price Tricone Bit Three Cone Rock Roller Drill Bit
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2128719375

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

US$500.00-1,000.00

1 Piece

Sample price:US$700.00/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

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

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

Diverse Bit Sizes: Sizes include 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4'' for various applications.

Advanced Bearing System: Features metal sealed and rubber sealed bearings for enhanced durability.

Wear Resistant Alloy: Thrust faces are hardfaced with wear-resistant alloy for extended life.

High-Efficiency Design: Designed for high efficiency and wear resistance in well drilling operations.

OEM and ODM Services: Full OEM and ODM services available for customized manufacturing needs.

Fast Delivery Capability: Regular models available in stock with prompt delivery and fast inland transport.

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: ≤5.12h 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?

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 are the available IADC codes?

The available IADC codes are 117, 127, 126, 217, 417, 437, 517, 537, 617, 627, 637, and 737.

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.

Q:Is the center nozzle customizable?

Yes, the center nozzle can be customized to suit specific drilling needs.