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.
Cross Bits vs Button Bits : Pick the Right Rock Drill Bit for Your Drilling Project When handling mining, tunneling, quarrying and construction drilling jobs, your drill bit selection directly shapes penetration speed, hole quality, project output and total operational cost. Cross bits (X-type rock ...
Threaded Button Bit Design Selection Guide for Different Rock Formations High performance threaded button bits are core tools for rock drilling operations. While tungsten carbide button grade is a key factor affecting bit service life, reasonable drill bit structural design and model selection ...
How Does a Rock Drill Work? Core Working Principle Rock drills are essential core equipment for mining, tunnel construction and rock engineering, relying on the professional impact crushing mechanism to efficiently drill holes in hard rock formations. Its efficient and stable working process ...
Tapered bits and drifter bits are two mainstream top hammer drilling tools widely used in the industry. Although both are designed for rock penetration, they differ greatly in structural design, working performance and applicable scenarios. Choosing the right bit is critical to improving drilling ...
A new batch of YN27C handheld gasoline rock drills has been fully packaged and is currently undergoing loading procedures, ready for official delivery to Peru. As a mainstream portable rock drilling device favored by global engineering clients, the YN27C model has gained wide recognition in the ...
Slotted rock drill bits are one of the most prevalent drilling tools applied in domestic rock drilling operations. This type of bit primarily adopts a tapered connection structure and is matched with tapered drill rods, which are commonly referred to as finished drill rods in the industry. To ensure ...
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