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Iron Mine Threaded Extension Rod for Wear-Abrasive Rock Formation
US$8.00-250.00
1 Base
Sample price:US$30.00/piece.Request sample

Product profile

Customization

Available

Standard

Customizable

Usage

Oil Extraction, Coal Mining, Drilling, Ore Mining

Model NO.

Customizable

Connection Performance

High-Strength Connection

Thread Processing Precision

Precision Machined Thread

Processing Precision

High-Precision Rod Body

Length Specification

Custom Length

Core Material

High-Strength Alloy Steel

Specific Usage

Drilling Extension

Application Industry

Mining Industry

Suitable Working Environment

High-Temperature Mine

Transport Package

Wooden Box

Specification

customizable

Trademark

OWN

Origin

China

Production Capacity

50000pieces/Year

Key features

Customizable Length: Available in lengths ranging from 250mm to 6400mm to suit specific drilling needs.
High-Strength Alloy Material: Constructed from high-quality carbon steel (20CrNi3Mo equivalent) for durability.
Dual Cross-Section Options: Offered in both hexagonal and round types for different rigidity and weight requirements.
Advanced Heat Treatment: Features carburization or high-frequency induction hardening to extend service life.
Wide Thread Compatibility: Supports R22, R25, R28, R32, R38, T38, T45, T51, ST58, and ST68 thread types.
Efficient Energy Transfer: Hexagonal design provides superior rigidity and energy transfer compared to round rods.
Optimized Flushing Design: Hollow core facilitates water or air transmission for effective flushing during drilling.
Comprehensive Quality Control: Strict inspection system from raw material to delivery ensures zero defects.

Company profile

Business Type: Trading CompanyAverage Response Time: ≤2.08h

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 thread types are supported?
A:
The rods support R22, R25, R28, R32, R38, T38, T45, T51, ST58, and ST68 thread types.
Q:What are the available length specifications?
A:
Lengths range from 250mm to 6400mm, with specific standard sizes like 610mm, 1220mm, and 3050mm.
Q:What material is used for the extension rods?
A:
They are made from high-quality carbon steel, equivalent to 20CrNi3Mo or SANDBAR 64.
Q:What heat treatment processes are applied?
A:
We use carburization for full surface hardening or high-frequency induction for thread end hardening.
Q:What is the difference between hexagonal and round rods?
A:
Hexagonal rods are more rigid and transfer energy efficiently, while round rods are lighter and suitable for extension drilling.

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