What types of formations are suitable for these bits?

These bits are suitable for various formations from very soft (clay, mudstone) to hard (sandstone, limestone, dolomite, marble).

Oil Well Drill Bits

Name: 8 1/2'' Steel Tooth Rock Roller Bits/Mill Tricone Bits/Oil Well Drill Bits
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2120474415

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

Model NO.

8 1/2''

Length

Taper-length

Type

Center Drill Bit

Material

High Carbon Steel

Usage

Well Drilling

Machine Type

Drilling Tool

Body Material

Alloy

Advantage

High-Efficiency ,Wear Resistant

Bearing Type

Friction/Roller/Flosting Bearing Bit

Drilling Formationn

Soft to Hard

Use

Oil,Gas,Wells

Available Size

3 Inch-30 Inch

Manufacture Processing

Forging

Machining

OEM,Customize Base on Drawing

Transport Package

Wooden Case

Specification

8 1/2''

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Month

Key features

Wide Application Range: Suitable for soft to hard formations including clay, shale, limestone, and sandstone.

High Efficiency Design: Features high-efficiency, wear-resistant construction with friction/roller/floating bearings.

Customizable Options: Available in sizes 3-30 inches with OEM and custom drawing services.

Fast Delivery: Regular models in stock with prompt delivery and fast inland transport to ports.

Flexible Payment: Accepts L/C, T/T, D/P, and PayPal for secure and convenient 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: ≤4.92h 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, and application. Photos are also helpful.

Q:What are the lead time and payment terms?

Regular models are in stock for prompt delivery. Mass production depends on order quantity. We accept L/C, T/T, D/P, and PayPal.

Q:What is the delivery time for mass production?

Peak and off-season lead times are both within 15 workdays. Regular models are available in stock for faster delivery.

Q:Can the product be customized?

Yes, we offer OEM and ODM services. Customization is available based on drawings, with sizes ranging from 3 to 30 inches.

Q:What are the main markets for this product?

Our main markets include North America, South America, Europe, Southeast Asia, Middle East, Africa, East Asia, Australia, and the domestic market.