What are the recommended drilling parameters?

Parameters vary by IADC code and formation. For example, IADC 637 requires 0.5-1.2 kn/mm WOB and 80-40 RPM for hard to very hard formations like limestone and marble.

Where is the company located and what are the nearest ports?

The company is located in Hejian City, Cangzhou, Hebei, China. The nearest ports are Beijing airport and Tianjin (Xingang) seaport.

Bore Piles TCI Rock Foundation Pile Core Barrel Single Roller Cone Bit

Name: Bore Piles TCI Rock Foundation Pile Core Barrel Single Roller Cone Bit
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2043912215

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

US$800.00-1,000.00

1 Piece

Sample price:US$800.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Model NO.

8.5

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

Transport Package

Wooden Case

Specification

8.5"

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Week

Key features

High-Efficiency Wear Resistant: Features tungsten carbide inserts and friction-reducing alloy for superior 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 enhanced protection.

Wide Range of IADC Codes: Available in multiple IADC codes including 117, 127, 637, and 737 for various formations.

Multiple Bit Sizes: Offered in sizes 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4'' for diverse applications.

OEM and ODM Services: Full OEM and ODM services available for custom drilling tool manufacturing.

Fast Inland Transportation: Factory is located near Beijing and Tianjin ports with one-day transport time.

Global Export Experience: Successfully exported to over 30 countries including USA, Australia, and India.

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: ≤6.13h 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, Hole opener details, Roller cutters, Drilling depth, Rock hardness, Drill rig capacity, Application type, Incoterm, Transport method, and Port of destination. Sending photos is also a simple way.

Q:What are the lead time and payment terms?

Regular models are available in stock for prompt delivery. Mass production depends on order quantity. We accept L/C, T/T, D/P, and PayPal. Peak and off-peak season lead times are both within 15 workdays.

Q:What is the material of the bit?

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

Q:What types of bearings are used?

The product uses Journal/Roller Bearing Bit types, specifically Metal sealed bearing and Rubber sealed bearing.

Q:Can the product be customized?

Yes, the product is customized. The center nozzle can be customized, and OEM/ODM services are available.