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Metal Mine Threaded Extension Rod for High-Penetration Drilling
US$8.00-250.00
1 Base
Sample price:US$30.00/piece.Request sample
Product profile
Customization
AvailableStandard
CustomizableUsage
Oil Extraction, Coal Mining, Drilling, Ore MiningModel NO.
CustomizableConnection Performance
High-Strength ConnectionThread Processing Precision
Precision Machined ThreadProcessing Precision
High-Precision Rod BodyLength Specification
Custom LengthCore Material
High-Strength Alloy SteelSpecific Usage
Drilling ExtensionApplication Industry
Mining IndustrySuitable Working Environment
High-Temperature MineTransport Package
Wooden BoxSpecification
customizableTrademark
OWNOrigin
ChinaProduction Capacity
50000pieces/YearKey features
Customizable Length and Size: Available in custom lengths and sizes to meet specific drilling requirements.
High-Strength Alloy Steel Core: Constructed with proprietary 23CrNi3MoS alloy steel for superior durability.
Precision CNC Machined Threads: All threads are formed by high-precision CNC machines for perfect fit.
Advanced Friction Welding: Uses mature friction welding technology with a failure rate under 0.03%.
Holistic Carburization Treatment: Increases carbon content in the outer layer for a hardened steel body.
Customizable Button Layout and Taper: Offers customization options for button layout and taper configurations.
Comprehensive After-Sales Support: 24/7 technical response mechanism with installation and maintenance training.
Company profile

Shandong Juding Machinery Manufacturing Co., LtdShandong, China
Business Type: Trading CompanyAverage Response Time: ≤2.42h
AI-Powered supplier vetting
SummaryShandong Juding Machinery Manufacturing Co., Ltd. is a China-based limited company established in September 2022 and identified as a trading company engaged in manufacturing and processing machinery. Its stated product scope includes drill bits, drill rods, drill tools, hydraulic equipment, and rock-drilling equipment. The supplier reports three production lines, export activity beginning in December 2022, and exports accounting for 51%–70% of total sales. It describes a 100,000-square-meter factory and claims technical expertise in product optimization and customized solutions, although another record reports the manufacturing plant area as 0.0, creating an unresolved inconsistency. No certification information, named customer cases, quality-control staffing, after-sales processes, or verifiable financial-strength evidence is provided. Production capability is supported by the reported production lines and factory description, while several other evaluation areas remain insufficiently documented.
Supplier typeThe supplier is explicitly classified as a Trading Company and as a limited company, while its commercial engagement is Manufacturing & Processing Machinery. Its descriptions also state that it researches, produces, sells, and services drilling, excavation, hydraulic, and rock-drilling equipment. This indicates a trading-company classification with stated manufacturing-related operations.
R&D capabilityThe supplier states that it follows an innovation-driven approach and that its team has industry experience and technical expertise in product-structure optimization, performance improvement, and customized solutions. These are explicit capability claims, but no patents, R&D metrics, completed projects, or independently verifiable innovation results are provided.
Production capacityThe supplier reports three production lines and describes a factory dedicated to research, development, production, sales, and service for drilling and hydraulic equipment. However, the reported factory area is inconsistent: one slice states 100,000 square meters, while another records the manufacturing plant area as 0.0; quality-control staffing is also listed as unavailable. The production lines and stated manufacturing activities support capability, but the facility information requires verification.
Customization capabilityThe supplier explicitly states that its technical team can develop customized products from customer drawings and working conditions, addressing personalized application needs across different scenarios. This directly supports customization capability, although no specific customization examples or customer deliverables are provided.
Product Q&A
Q:What materials are used for the drill rod?
A:
The core material is high-strength alloy steel, specifically proprietary 23CrNi3MoS with higher alloy content.
Q:Can the product dimensions be customized?
A:
Yes, we offer customizable length, size, button layout, and taper options to meet specific requirements.
Q:What is the welding failure rate?
A:
Our advanced friction welding technology ensures a welding failure rate of less than 0.03%.
Q:How is the product packaged for shipping?
A:
We use high-strength wooden boxes with customizable cushioning and can provide fumigation certificates for international shipping.
Q:What is the lead time for orders?
A:
The average lead time is 1-3 months for both peak and off-peak seasons.
Send Inquiry
*To:
Shandong Juding Machinery Manufacturing Co., Ltd
Shandong Juding Machinery Manufacturing Co., Ltd*Content:
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