China Thread Button Bit, Thread Drill Bit, Find details about China Button Bit, Thread Button Bit from Thread Button Bit, Thread Drill Bit
Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60,GT68
Button bit face design: Flat face, drop centre, Normal and Retrac body.
Tungsten carbide (Buttons): Spherical, ballistic and Conical. (Threaded R32, R38, T38, T45, T51, bit diameter: 43mm-152mm);
Main button bits diameters:
R32-45mm, R32-51mm, R32-64mm, R32-76mm, R32-89mm
T38-64mm, T38-76mm, T38-89, T38-102mm,
T45-76mm, T45-89mm, T45-102mm,
T51-89mm, T51-102mm, T51-127mm
ST58-89mm, ST58-102mm, ST58-115mm, ST58-127mm
GT60-102mm, GT60-115mm, GT60-127mm, GT60-152mm
ST68-115mm, ST68-127mm, ST68-140mm, ST68-152mm