China API Standard DTH Mining Drill Rods 2 3/8 2-7/8 3 1/2 Inch with 10% Higher Penetration Rate for sale

API Standard DTH Mining Drill Rods 2 3/8 2-7/8 3 1/2 Inch with 10% Higher Penetration Rate

Price Negotiable

Price: Negotiation

MOQ: Negotiation

Delivery Time: Within 7-12 days

Brand: ShiTan

Product Description

Product Overview

High-performance DTH (Down-The-Hole) drilling rods engineered for demanding mining and rock drilling applications. Available in API standard sizes 2 3/8", 2-7/8", and 3 1/2" with precision threading for optimal energy transfer and drilling efficiency.

Technical Specifications

Parameter	Specification
Product Name	Threaded Steel Rod
Application	Rock Drilling
Material	Carbon Steel / Chromium-Molybdenum Alloy
Processing Type	Forging with CNC Milling
Available Sizes	2 3/8", 2-7/8", 3 1/2"
Standard	API Regulation
Cross Sections	Hexagonal & Round

Rod Type Comparison

Our threaded drill rods (extension rods, extension drill steel, or MF rods) are available in two configurations:

Hexagonal Rods: Superior rigidity, optimal weight distribution, and enhanced energy transfer efficiency with improved flushing capabilities
Round Rods: Lighter weight design ideal for extension drilling applications requiring reduced load

Key Performance Features

Advanced thread system design increases drilling precision and penetration rates by minimum 10%
Ideal for drifting, tunneling, benching, and long hole drilling operations
Constructed from high-strength chromium-molybdenum steel for exceptional fatigue resistance and wear durability
Manufactured using tungsten carbide components and high-strength alloy steel
Precision processed with CNC milling and proprietary heat treatment for consistent performance
Available types: Hexagonal Drifter Rod, Extension Rod, Speed Rod, MF-Rod
Custom color options available upon request

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