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.

Do you provide after-sales service and warranty?

Yes, we provide after-sales service and warranty coverage for our products.

What are the main markets for your products?

Our main markets include North America, South America, Europe, Southeast Asia, Middle East, Africa, East Asia, and Australia.

Piling Cones Rock Bit Roller Cone Bit Welding Roller Cone

Name: Piling Cones Rock Bit Roller Cone Bit Welding Roller Cone
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2043985855

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

US$220.00-400.00

1 Piece

Sample price:US$230.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Yes

Warranty

Yes

Model NO.

8.5"

Type

Bucket Teeth

Application

Pile Driver

Certification

ISO9001: 2000

Condition

New

Machine Type

Drilling Tool

Processing Type

Forging

Advantage

High-Efficiency ,Wear Resistant

Bearing Type

Journal /Roller Bearing Bit

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 Design: Features wear-resistant alloy hardfacing and friction-reducing alloy for superior performance.

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

Durable Bearing System: Equipped with metal sealed and rubber sealed bearings for extended life.

Wide Range of Sizes: Available in sizes from 7 1/2'' to 12 1/4'' with various IADC codes.

ISO9001 Certified: Manufactured under strict ISO9001:2000 quality management standards.

OEM and ODM Services: Full OEM and ODM services available for drilling tools and components.

Fast Delivery: Regular models in stock with prompt delivery and fast inland transportation.

Global Export Experience: Exported to over 30 countries including USA, Australia, and European nations.

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: ≤7.72h 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, and Roller cutters. Photos are also accepted. Additional info like drilling depth, rock hardness, and rig capacity helps provide a more accurate 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 L/C, T/T, D/P, and PayPal. Peak and off-peak season lead times are within 15 workdays.

Q:What is the delivery location and logistics?

We are located near Beijing airport and Tianjin seaport. Transportation from our factory to these ports takes only one day, ensuring fast and economical inland charges.

Q:What are the available bit sizes and IADC codes?

Bit sizes range from 7 1/2'' to 12 1/4''. Available IADC codes include 117, 127, 126, 217, 417, 437, 517, 537, 617, 627, 637, and 737.

Q:What materials are used for the bit teeth?

The bit teeth are made of tungsten carbide inserts with inlaid friction-reducing alloy. They feature wide teeth or chisel inserts depending on the model.