High Quality Single Cone Rock Roller Drill Bits

Name: High Quality Single Cone Rock Roller Drill Bits
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2096315975

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 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.

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

Wear Resistant Alloy: Thrust faces hardfaced with wear-resistant alloy to extend service life.

High-Efficiency Design: Features tungsten carbide inserts and inlaid friction-reducing alloy for high efficiency.

Gauge Protection: Shirttail design with more carbide inserts increases gauge holding capability and bearing life.

Versatile Bit Sizes: Available in sizes 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4'' for different well requirements.

OEM and ODM Services: Manufacturer offers both OEM and ODM services for customized drilling tools.

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: ≤5.59h 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?

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.), and Roller cutters (Diameter of cones, model number, etc.). Sending photos is also a simple way. Additionally, provide drilling depth in vertical well drilling, drilling length in HDD, hardness of rocks, capacity of drill rigs, application (oil/

Q:What are the lead time and payment terms?

We always have regular models available in stock for prompt delivery. Mass production depends on the quantity of the order. We accept all regular payment terms including L/C, T/T, D/P, and PayPal. Our factory is near Beijing airport and Tianjin (Xingang) seaport, with transportation taking only one day, ensuring fast and economical inland charges.

Q:What are the recommended drilling parameters for different formations?

Recommended parameters vary by IADC code. For example, code 117 requires 0.30-0.753 kn/mm WOB and 180-60 RPM for very soft formations. Code 637 requires 0.5-1.2 kn/mm WOB and 80-40 RPM for hard to very hard formations. Please note that the upper limits of WOB and RPM in the table should not be used simultaneously.

Q:What materials are used for the drill bits?

The bits are made of High Carbon Steel with tungsten carbide inserts and inlaid friction-reducing alloy. The thrust faces are hardfaced with wear-resistant alloy.

Q:What is the warranty or after-sales support?

The product features advanced grease lubrication and seal systems. The bearing system includes metal sealed bearings and rubber sealed bearings to ensure longevity and performance in harsh drilling conditions.