Where do you ship from?

We ship from Tianjin Port, China, and have exported to countries like the US, Australia, and Europe.

What is the IADC code for this bit?

The IADC code for this specific tricone bit is 537.

High Quality 311 Inch Steel Core Tricone Drill Bit for Well Drilling

Name: High Quality 311 Inch Steel Core Tricone Drill Bit for Well Drilling
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2060712732

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

US$1,700.00

1-9 Pieces

US$400.00

10+ Pieces

Sample price:US$900.00/piece.Request sample

Product profile

Customization

Available

Customized

Type

Core Drill Bit

Model NO.

tricone-271

Material

Tungsten Carbide

Usage

Well Drilling, Masonry Drilling

Transport Package

Wooden Case

Trademark

Long Yue

Origin

He Bei

HS Code

8207199

Production Capacity

200PCS/Month

Key features

Tungsten Carbide Material: Constructed with high-quality tungsten carbide for durability and wear resistance.

Wide Formation Adaptability: Suitable for various formations from very soft clay to hard limestone and marble.

Customization Options: Offers customized specifications to meet specific drilling requirements.

Global Export Experience: Successfully exported to over 25 countries including US, Australia, and Europe.

OEM/ODM Services: Supports OEM and ODM services with 5 dedicated R&D engineers.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

Versatile Drill Bit Type: TCI Tricone design optimized for core drilling and masonry applications.

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.