Single Roller Cone Bit Hole Opener Reamer Bit for Core Barrel Drilling Machines

Name: Single Roller Cone Bit Hole Opener Reamer Bit for Core Barrel Drilling Machines
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2116110705

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

US$1,000.00-2,000.00

1 Piece

Sample price:US$1000.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

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

High-Efficiency Wear Resistance: Features tungsten carbide inserts and wear-resistant alloy hardfacing for extended durability.

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

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

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

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

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

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

Fast Inland Transportation: Factory is near Beijing airport and Tianjin seaport with one-day inland transport time.

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: ≤5.99h 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?

Please send detailed information including bit type, diameter, IADC code, blades quantity, cutter size, rock hardness, thread connection, drilling depth, rig capacity, application type, Incoterm, and destination port. Sending photos is also a simple way to get a quote.

Q:What are the lead time and payment terms?

Regular models are available in stock for prompt delivery. Mass production lead time depends on order quantity. We accept payment terms including L/C, T/T, D/P, and PayPal.

Q:What are the recommended drilling parameters?

Parameters vary by IADC code and formation. For example, Code 117 requires 0.30-0.753 kn/mm WOB and 180-60 RPM for very soft formations. Please refer to the specification table for specific values.

Q:What materials are used in the bit construction?

The bit is made of High Carbon Steel with tungsten carbide inserts and inlaid friction-reducing alloy. It features advanced grease lubrication and sealed bearings.

Q:What is the company's production capacity and location?

The manufacturer is located in Hebei, China, with a 10,000 square meter plant area and 101-200 employees. They have 5 R&D engineers and specialized drilling equipment.