What are the recommended drilling parameters?

Parameters vary by IADC code. For example, code 116/117 requires 0.35-0.8 kn/mm WOB and 150-80 r/min for very soft formations, while code 637 requires 0.5-1.2 kn/mm WOB and 80-40 r/min for hard formations.

8 1/2'' TCI Tricone Diamond Drill Bit for Water Well Drilling

Name: 8 1/2'' TCI Tricone Diamond Drill Bit for Water Well Drilling
Brand: Hejian Longyue Drill Bit Manufacture Co., Ltd.
SKU: 2058526305

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

US$800.00-2,000.00

1 Piece

Sample price:US$1000.00/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 high drillability in various soft to hard formations.

Wear Resistant Material: Constructed from high carbon steel for durability and extended life.

Customized Manufacturing: Available with custom machine types and forging processing options.

Versatile Formation Application: Suitable for clay, shale, limestone, sandstone, gypsum, and marble.

Multiple Bearing Types: Equipped with journal or roller bearing bits for stability.

Stock Availability: Regular models available in stock for prompt delivery.

Flexible Payment Terms: Accepts L/C, T/T, D/P, and PayPal for secure transactions.

Fast Inland Logistics: Factory located near Beijing and Tianjin ports for economical shipping.

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: ≤5.73h 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. Sending photos is also acceptable. Additional details like drilling depth, rig capacity, application type, Incoterm, and destination port will ensure a more accurate quote.

Q:What are the lead time and payment terms?

Regular models are available in stock for prompt delivery. Mass production lead time depends on order quantity. We accept L/C, T/T, D/P, and PayPal. Our factory is near Beijing airport and Tianjin seaport, ensuring fast and economical inland transportation.

Q:What drilling formations is this bit suitable for?

This bit is designed for various formations ranging from very soft (clay, mudstone, chalk) to hard (sandstone, limestone, dolomite, marble, hard gypsum). Specific IADC codes correspond to different compressive strengths and drillability levels.

Q:Can the product be customized?

Yes, customization is available. Options include specific machine types, forging processing, and tailored specifications based on customer requirements.

Q:What is the warranty or inspection process?

The product undergoes a strict inspection process before shipment to ensure quality and performance standards are met.