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2021-5-19 · The key is a patented design; the rods and bits may look like standard drifting equipment but the thread is actually conical in shape. For example, the Magnum SR35 thread has a rod end diameter of 35mm, while the tip is 32mm. This means more material at the rod end to prevent breakage and less tendency for deviation when collaring.
Get Price2021-5-23 · Extension rods Extension rods are made by hollow drill steels; there are two shapes of extension rods, round type and hexagonal type. This hollow hole are usually named flushing hole, used for transmitting water or air during drilli...
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Get PriceSanhe Qiangli Pneumatic Machinery Factory is established in 1995.We are mainly producing various professional Pneumatic Rock Drilling Machines, Drill rods, Drill bits and various rock drills parts in China. With 13 years' steady efforts, our annual output capability has reached upto 25, 000sets of rock drill machines and 800, 000 pieces of rock drills parts Pneumatic Rock Drilling Machine, Air ...
Get Price2017-12-29 · Among all the drilling method, Down The Hole(DTH) drilling is being used more and more widely and has very high efficiency for some cases.Here, we will introduce the specific application for DTH drilling as most import part of whole basic drilling knowledge.. Mining RC – Exploration . − Surface drilling − Exploration
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