What types of rock formations can this drill bit handle?

The bit is suitable for drilling through mud stone, limestone, shale, sandstone, and granite.

What are the available body materials for the drill bit?

We offer body materials including steel and tungsten carbide matrix.

8 1/2'' 4 Blades PDC Drag Drill Bit for Water Well Drilling

Name: 8 1/2'' 4 Blades PDC Drag Drill Bit for Water Well Drilling
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2182408955

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

US$350.00-700.00

1 Piece

Sample price:US$350.00/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

Use

Oil, Gas and Water Well Drilling

Transport Package

Wooden Case

Specification

8 1/2''

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207191000

Production Capacity

200 Pieces/Mouth

Key features

Multi-Size Availability: Available in sizes from 55mm to 12 1/4 inches for various drilling needs.

Versatile Blade Configurations: Offered in pillar, concave, and 3 to 6 wings types for different formations.

High-Efficiency Design: Features wear-resistant PDC cutters for efficient drilling in mud stone and granite.

OEM and ODM Services: Customized manufacturing services available for specific client requirements.

Stock Availability: Regular models kept in stock for prompt delivery and fast turnaround.

Flexible Payment Terms: Accepts L/C, T/T, D/P, and PayPal to accommodate various buyer needs.

Fast Inland Logistics: Factory is one day from Beijing airport and Tianjin seaport for economical shipping.

Global Export Experience: Exporting to over 30 countries including USA, Australia, and Middle East nations.

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: ≤5.68h 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 (Tricone, PDC, etc.), diameter, IADC code, cutter size, rock hardness, drilling depth, rig capacity, application type, Incoterm, and shipping method. Sending photos is also a simple way.

Q:What are the lead time and delivery options?

Regular models are available in stock for prompt delivery. Mass production lead time depends on order quantity. Peak and off-peak seasons both allow delivery within 15 workdays.

Q:What payment terms do you accept?

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

Q:What is the delivery location and logistics advantage?

Our factory is near Beijing airport and Tianjin seaport. Inland transportation to these ports takes only one day, ensuring fast and economical logistics.

Q:Do you offer customized drilling tools?

Yes, we provide OEM and ODM services. We can customize machine types, processing types, and specific parameters based on your requirements.