China tophammer drill tools manufacturers,
2021-5-19 · Naturally, this places rigorous demands on drillstrings. Enter Secoroc Magnum SR, the next generation of drifting equipment. 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.
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