The Dth Hammer: An Essential Product For Mining & Drilling Projects By: Rosario Berry | Feb 24th 2016 – The Down-to-hole (DTH) hammer is undoubtedly one of the most important equipments for the mining and drilling projects. From boring to precise drilling, the hammer can give a host of advantages to many infrastructure projects. In fact, it"��s safe to say that most modern rigs or drilling projects would be impossible to imag … Tags: 相关的主题文章: