Where is your factory located and how is transportation?

Our factory is in Hebei, China. We are near Beijing airport and Tianjin seaport, with transportation to these ports taking only one day.

8 1/2'' IADC 517 Tricone Roller Cone Bit

Name: 8 1/2'' IADC 517 Tricone Roller Cone Bit
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2101710805

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

US$1,000.00-2,000.00

1 Piece

Sample price:US$2000.00/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

Drilling Formation

Medium Hard Formation

Transport Package

Wooden Case

Specification

8 1/2

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Month

Key features

High-Efficiency Design: Forged from high carbon steel for superior wear resistance and efficiency in medium hard formations.

Customized Manufacturing: Offers OEM and ODM services with customizable machine types and processing for specific drilling needs.

Fast Delivery Advantage: Regular models kept in stock for prompt delivery; mass production lead time within 15 workdays.

Flexible Payment Terms: Accepts L/C, T/T, D/P, and PayPal to accommodate various international trade requirements.

Global Export Experience: Exports to over 20 countries including USA, Australia, and Europe with 70-80% export percentage.

Professional Manufacturer: Established in 2016 with 101-200 employees and 5 R&D engineers specializing in 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: ≤5.15h 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 provide detailed information including bit type (Tricone, PDC, etc.), diameter, IADC code, formation hardness, drilling depth, rig capacity, and Incoterms. Sending photos is also a simple way.

Q:What is the lead time for orders?

Regular models are available in stock for prompt delivery. For mass production, the lead time is within 15 workdays for both peak and off-season.

Q:What payment terms do you accept?

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

Q:Can you provide OEM or ODM services?

Yes, we offer both OEM and ODM services. We can customize the machine type and processing type according to your specific requirements.

Q:What is the main usage of this Tricone Bit?

It is designed for well drilling in soft to medium hard formations with low compressive strength, such as medium shale, sandstone, and medium limestone.