Sinodrills Threaded Bit
We can supply threaded button bit, threaded cross bit
Threaded button bit:
Button bit diameter: 38mm to 152mm;
Button bit thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, GT60, ST58, ST68, SR32, and SR35;
Button bit face design: flat face, dome face, drop center face;
Button bits carbides style: hemi-spherical (round), Parabolic (semi-ballistic), Ballistic (conical)
Threaded cross bit:
Threaded cross bits diameter: 33mm--64mm
Thread sizes: R22, R25, R28, R32, R35, R38, T38, T45, T51, GT60, ST58, ST68, SR32, and SR35;