What is the warranty or guarantee?

The product features advanced grease pressure control systems and durable sealed bearings to ensure high efficiency and wear resistance.

Where is the company located?

We are located in Hebei, China, near Beijing airport and Tianjin seaport, facilitating efficient logistics and export.

8 1/2'' Single Roller Cone Bits for Hard Rock

Name: 8 1/2'' Single Roller Cone Bits for Hard Rock
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2094049355

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

US$300.00-900.00

1 Piece

Sample price:US$350.00/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

12 1/4

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Week

Key features

High-Efficiency Design: Features high-efficiency and wear-resistant properties for optimal drilling performance.

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

Customizable Nozzles: Center nozzle can be customized to meet specific drilling requirements.

Durable Gauge Protection: More carbide inserts on the shirttail increase gauge holding capability and bearing life.

Wide Size Range: Available in sizes 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4'' for various applications.

OEM/ODM Support: Supports OEM and ODM services with 5 R&D engineers available for development.

Fast Delivery: Regular models available in stock with prompt delivery as a key advantage.

Flexible Payment Terms: Accepts L/C, T/T, D/P, and PayPal for convenient transaction options.

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: ≤4.44h 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 detailed information including bit type, diameter, IADC code, drilling depth, rock hardness, rig capacity, application, and Incoterm. Photos are also helpful.

Q:What is the lead time and delivery method?

Regular models are in stock for prompt delivery. Mass production lead time is within 15 workdays. We offer fast and economical inland transport to Beijing or Tianjin ports.

Q:What payment terms do you accept?

We accept all regular payment terms including L/C, T/T, D/P, and PayPal.

Q:What are the main applications for these bits?

These bits are designed for well drilling, including oil/gas wells, water wells, HDD, and foundation applications across various rock formations.

Q:Can the product be customized?

Yes, we offer OEM and ODM services. The center nozzle can be customized, and we support various machine types and processing types.