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  • T51 Threaded Button Bits,:
  • Is the most important size for benching and long-hole drilling underground:
  • Diameter 76mm, 89mm, 102mm:
  • Skirt body : retrac, and normal, straightrac
  • Face type : flat, uniface, Drop Centre
  • Carbide shape: Dome, ballistic, semi-ballistic
  • Used in bench drilling, underground long hole drilling:
  • To match extension MF rod, MM rod heavy duty top hammer.:
Technical Support: Magic Lamp