Which countries have you exported to?

We have exported to the United States, Australia, Costa Rica, Guatemala, Azerbaijan, Congo, Myanmar, Peru, Singapore, Oman, Indonesia, Philippines, India, Switzerland, Ukraine, Turkey, Bolivia, Romania, Kenya, Vietnam, South Africa, Kuwait, Mozambique, Ecuador, and France.

What is the maximum RPM for this bit?

The recommended RPM range is 220~40 r/min.

Whole Sale Ten Inches 444mm Tricone Drill Bit for Sale

Name: Whole Sale Ten Inches 444mm Tricone Drill Bit for Sale
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2057714202

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-357

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

Customized Manufacturing: Offers customized options to meet specific drilling requirements and formation types.

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

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

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

OEM/ODM Services: Provides OEM and ODM services with 5 R&D engineers supporting custom designs.

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

Flexible Payment Terms: Accepts LC, T/T, D/P, and PayPal for convenient and secure transactions.

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: ≤6.91h 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:What is the IADC code for this drill bit?

The IADC code for this 7 7/8 inch tricone drill bit is 537.

Q:What are the applicable rock formations?

It is suitable for various formations including very soft (clay, mudstone), soft (gypsum, salt), medium hard (shale, limestone), and hard formations (sandstone, marble).

Q:Does the manufacturer offer OEM or ODM services?

Yes, we provide both OEM and ODM services supported by 5 R&D engineers.

Q:What are the payment terms?

We accept LC, T/T, D/P, and PayPal.

Q:What is the average lead time for production?

The average lead time is within 15 workdays for both peak and off-peak seasons.