Tapered Drilling Tools Features
• The Tapered Drilling Rods are subjected to a carburizing process to increase surface hardness, resulting in better wear quality and a longer lifespan.
• The Tapered Drilling Rods material is 23CrNi3Mo, which is comparable to Sandvik Sandbar 64.
• Low-cost, high-quality performance at a reasonable price.
• Various drill rod types for various drilling scenarios.
To ensure excellent performance, the carburization technique is primarily used in the production of large diameter rods. To provide an external surface covering the entire rod surface, carburizing is used to harden the entire rod. The majority of underground applications and places where water is used as a flushing medium use carburized steels. To lessen the brittleness of drill steels, high frequency technique is primarily used in the production of small diameter rods. Only the threaded ends of the Tapered Drilling Rods are to be hardened using high frequency. This increases the product's durability and makes it better suited to more demanding drilling conditions. The primary application for the steels made using this technique is surface drilling, where air serves as the primary flushing medium.
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Drilling equipment for rock The hexagonal chuck section on the Tapered Drilling Rods provides leverage for the rotation chuck bushing. It usually has a forged collar to keep the shank striking face in the rock drill in the proper position, as well as a tapered drill bit end. The length of tapered steel is measured from the collar to the bit end. To accommodate the air leg feed length, holes are typically drilled in 0.6 m increments. The drilled steel is removed, and the next steel length in the sequence is drilled with a slightly smaller diameter rock drill bit.
