What is the maximum weight on bit (WOB) and rotation speed (RRM)?

The recommended WOB is 0.45~1.0 kN/mm and the RRM is 120~50 r/min.

What is the peak season lead time?

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

8 1/2'' 215.9mm Tricone Button Insert Drill Roller Cone Bit Drill Tool

Name: 8 1/2'' 215.9mm Tricone Button Insert Drill Roller Cone Bit Drill Tool
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2112205545

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

US$700.00-1,000.00

1 Piece

Sample price:US$700.00/piece.Request sample

Product profile

Customization

Available

Customized

Standard

AISI

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

Drilling Formation

Medium Hard Formation

Transport Package

Wooden Case

Specification

8 1/2

Trademark

LONGYUE

Origin

Hebei, China

HS Code

8207199000

Production Capacity

200 Pieces/Month

Key features

High-Efficiency Design: Optimized for medium hard formations with low compressive strength like shale and sandstone.

Wear Resistant Material: Constructed from high carbon steel for durability in demanding drilling conditions.

Customized Manufacturing: Available in customized specifications including diameter, IADC code, and thread connections.

Fast Delivery Advantage: Regular models kept in stock with prompt delivery and economical inland transport.

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

OEM and ODM Services: Full customization support available for machine type and processing requirements.

Global Export Experience: Exporting to over 25 countries including USA, Australia, and Middle East regions.

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), Hole opener (Diameter, pilot hole size, rock hardness, thread connection), and Roller cutters (Diameter of cones, model number). Sending photos is also a simple way. For better accuracy, provide drilling depth, drilling length, rock hardness, drill rig capacity, application type (oil/gas, water, HDD, foundation), Incoterm (FOB, CIF, CFR), transport mode (p

Q:What are the lead time and payment terms?

We always have regular models available 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. Our factory is near Beijing airport and Tianjin seaport, with transportation taking only one day.

Q:What formations is this drill bit suitable for?

This bit is designed for soft to medium soft to medium hard formations with low compressive strength, such as medium shale, sandstone, and medium limestone.

Q:What is the IADC code and thread connection?

The IADC code is 537 and the thread connection is 4 1/2".

Q:Do you offer OEM and ODM services?

Yes, we offer both OEM and ODM services to customize the drilling tool according to your specific requirements.