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SHANDONG XIANGSHAN ROCK DRILLINGTOOLS CO., LTD.

SNIEC E5.889

Headquarters: 

Target Groups: 

台车钻杆

Product Category: Equipment and accessories, other

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Product Introduction

**1. High-quality alloy steel, hollow hexagonal one-piece molding** Made from alloy structural steel specifically designed for rock drilling, available in two cross-sectional profiles: hollow hexagonal and round bar.. After overall quenching and tempering treatment, the rod body possesses both high toughness and bending stiffness.. **2. Friction welding provides high weld strength and good coaxiality. The MF welding rod adopts continuous drive friction welding. After welding, it undergoes processes of edge removal, heat treatment, and straightening, with straightness controlled at ≤0.. 3mm/m. **3. Thread rolling strengthening, prevents thread galling even after repeated assembly and disassembly.** The threads are formed via CNC turning, followed by roll strengthening, and feature a fillet transition at the thread root to eliminate stress concentration.. After multiple disassemblies and reassemblies, the threads remain smooth without stripping or galling.. **4. Full-process inspection, each unit is traceable** **5. Turret, rod, connecting sleeve, and drill bit as a complete set**

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International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles

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