China Tophammer Drilliing Button Bit, Find details about China Button Bits, Thread Button Bit from Tophammer Drilliing Button Bit
Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, T58, T60,T68
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
T58-89mm, ST58-102mm, T58-115mm, T58-127mm
T60-102mm, T60-115mm, T60-127mm, T60-152mm
T68-115mm, T68-127mm, T68-140mm, T68-152mm