Do you offer customization for the drill bits?

Yes, we offer customization for the center nozzle and provide OEM and ODM services for various drilling tools.

What are the main markets for your products?

Our products are exported to North America, South America, Europe, Southeast Asia/Mideast, Africa, East Asia (Japan/South Korea), Australia, and domestic markets.

High Quality 8.5" Cones for Piling Project

Name: High Quality 8.5" Cones for Piling Project
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2172526305

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

US$250.00-300.00

1 Piece

Sample price:US$250.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Model NO.

8.5

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

Transport Package

Wooden Case

Specification

8.5"

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Week

Key features

High-Efficiency Wear Resistant: Features tungsten carbide inserts and friction-reducing alloy for extended durability.

Customizable Center Nozzle: The center nozzle design can be customized to meet specific drilling requirements.

Advanced Bearing Sealing: Equipped with metal sealed and rubber sealed bearings for superior protection.

Wide Range of IADC Codes: Available in multiple IADC codes including 117, 127, 637, and 737 for various formations.

Optimized Gauge Protection: Shirttail design with extra carbide inserts increases gauge holding capability.

Versatile Bit Sizes: Sizes range from 7.5 inches to 17.5 inches to suit different drilling projects.

OEM and ODM Services: Full OEM and ODM services available for customized drilling tool solutions.

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

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: ≤4.31h 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 (Matrix or Steel body, blades quantity, cutter size, etc.), Hole opener (Diameter, size of pilot hole, hardness of rocks, thread connection), and Roller cutters (Diameter of cones, model number). Sending photos is a simple way. Additionally, provide drilling depth, drilling length in HDD, rock hardness, drill rig capacity, application type, Incoterm, transport method, and destination port for the most accurat

Q:What are the lead time and payment terms?

We always have regular models in stock for prompt delivery. Mass production lead time depends on order quantity. We accept all regular payment terms including L/C, T/T, D/P, and PayPal. Peak and off-peak season lead times are both within 15 workdays.

Q:What is the delivery process?

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

Q:What materials are used for the roller cones?

The bits are made of High Carbon Steel with tungsten carbide inserts and inlaid friction-reducing alloy. The bearings are metal sealed and rubber sealed.

Q:What drilling formations do these bits support?

The bits are designed for various formations ranging from very soft (caly, mudstone, chalk) to hard (hard shale, limestone, dolomite, marble) based on specific IADC codes and recommended WOB and RPM parameters.