HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self drilling anchor tools,coal mining tools and other drill tool accessories.
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Our Advantage
HIGH QUALITY
Trust Seal, Credit Check, RoSH and Supplier Capability Assessment.
company has strictly quality control system and professional test lab.
DEVELOPMENT
Internal professional design team and advanced machinery workshop.
We can cooperate to develop the products you need.
MANUFACTURING
Advanced automated equipment and a rigorous process control system.
We can manufacture a wide range of rock drilling tools.
100% SERVICE
Bulk and customized small packaging, FOB, CIF, DDU and DDP.
Let us help you find the best solution for all your concerns.
The Core of Material Excellence In the realm of high end manufacturing, the quality of a tool depends not just on its raw material, but on the mastery of heat treatment. By precisely controlling heating temperatures, soaking times, and cooling rates, we can fundamentally transform the internal ...
The Backbone of Reliable Drilling In the demanding environment of rock drilling, the integrity of the drill string is paramount. A single failure at the connection point can lead to costly downtime. To address this, HENGLONG has introduced its latest generation of high strength Coupling Sleeves, ...
The Evolution of Modern Mining Efficiency In the competitive landscape of the global energy sector, the demand for high performance coal mining tools has reached an all time high. The transition from manual extraction to automated, sophisticated machinery highlights a critical need for precision ...
The Ultimate Guide to HengLong Top Hammer Rock Drilling Tools : Tapered, Threaded , Heavy Duty Solutions In the demanding world of rock excavation, selecting the right consumables is critical to operational efficiency. HengLong specializes in high-performance top hammer rock drilling tools, ...
1. Direct Energy Transfer (The "No-Loss" Advantage) When a rock drill strikes the end of a rod, it creates a shockwave. In "threaded" systems, some of this energy is lost or converted into heat at the coupling joints. The Integral Advantage: Because the rod and bit are forged from a single piece of ...
Guardians of Underground Safety In underground mining, tunnel excavation, and slope stabilization projects, the stability of rock strata serves as the lifeline of construction operations. Faced with complex surrounding rock environments, a support material known as the Split Set Bolt (or Friction ...
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