Sell Sinodrills Button Bit

Sinodrills Button Bit
Taper Button Bit:
Button bit diameter: 28mm, 30mm, 32mm, 34mm, 36mm, 40mm, etc.
Button bit degree: 4 degree 46 point, 7 degree, 11 degree, 12 degree, etc;

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 bit carbides style: hemi-spherical (round), Parabolic (semi-ballistic), Ballistic (conical)