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  • Despite the advancements in technology, pneumatic drilling machines remain a staple in many industries due to their simplicity, durability, and cost-effectiveness. They have played a significant role in shaping modern infrastructure, from boring holes for foundations to extracting minerals deep within the earth's crust.
  • The design of rock drilling rods is a blend of science and engineering prowess. They are generally hollow, allowing for the circulation of drilling fluids, also known as mud or coolant, which serves multiple purposes. It cools and lubricates the drill bit, removes cuttings, and stabilizes the borehole. The rods' surface finish and thread design significantly influence their performance and service life.