Threaded Button Bit
Description of 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, SR35;
Button bit face design: flat face, dome face, drop center face;
Button bits carbides style: hemi-spherical(round), Parabolic(semi-ballistic), Ballistic(conical);
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