What is the warranty or after-sales support?

The product features advanced bearing protection and wear-resistant alloys to ensure longevity. Specific warranty terms should be confirmed during quotation.

8 1/2'' Single Roller Cone Cutter Bit for Foundation Drilling

Name: 8 1/2'' Single Roller Cone Cutter Bit for Foundation Drilling
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2113018795

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

US$1,000.00-2,000.00

1 Piece

Sample price:US$1500.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

Model NO.

8 1/2''

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

Pin Connection

4 1/2" Regular

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 & Wear Resistance: Features tungsten carbide inserts and friction-reducing alloy for superior durability.

Advanced Bearing Protection: Utilizes metal sealed and rubber sealed bearings with advanced grease pressure control.

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

Enhanced Gauge Protection: More carbide inserts on the shirttail increase gauge holding capability and bearing life.

Wide Size Range: Available in sizes 7 1/2'', 8 1/2'', 9 7/8'', and 12 1/4'' for various foundation drilling needs.

OEM/ODM Support: Manufacturer offers OEM and ODM services with 5 R&D engineers for custom solutions.

Fast Delivery Capability: Regular models in stock with prompt delivery; mass production within 15 workdays.

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

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: ≤5.50h 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 bit type, diameter, IADC code, drilling depth, rock hardness, rig capacity, application, and Incoterm. Photos are also accepted.

Q:What is the lead time for orders?

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

Q:What payment terms are accepted?

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

Q:Is customization available for this product?

Yes, the product is customized. The center nozzle can be customized, and OEM/ODM services are available for machine type and processing type.

Q:What are the main applications for this cutter bit?

It is designed for well drilling and foundation drilling, suitable for various formations from very soft to very hard rock.