Button Bits (Threaded)

Thread Type	Bit Size Range (mm)	Button Type	Bit Type Options
R25	35 – 64	Spherical or Blastic	Normal Bit, Cross Bit, Reaming Bit
R28	37 – 47	Spherical or Blastic	Normal Bit
R 32	41 – 76	Spherical or Blastic	Normal Bit, Cross Bit, Reaming Bit
R/T 38	57 – 76	Spherical or Blastic	Normal Bit, Retrac Bit
T 45	70 – 102	Spherical or Blastic	Normal Bit, Retrac Bit
T 51	89 – 127	Spherical or Blastic	Normal Bit, Retrac Bit