DSC01149 Threaded Extension Drill Rod

  Product Advantages This Threaded Extension Drill Rod belongs to Tapered Drilling Tools and is made of high-quality alloy steel with professional heat treatment. It features high tensile strength and great anti-fatigue performance for deep hole rock drilling. It can be connected via Threaded Coupling Sleeve to extend drilling depth flexibly. When matched with Fully carburized taper drill rods, it maintains stable impact and torque transmission, reducing the risk of rod bending under heavy working loads. Detail Features Precision threaded ends ensure fast and reliable connection. This rod can work with Coupling Sleeve to link Round Extension Drill Rod and Round Extension Drill Rods. The smooth black coated surface improves wear resistance and anti-rust ability in dusty and humid construction sites. The uniform wall thickness design guarantees balanced force distribution during continuous percussion drilling. Application Scope This extension drill rod is widely used in mining, quarrying…