China Thread Retrac Rock Drill Button Bits T38 T45 T51 T60 for Top Hammer Drilling, Find details about China Button Bits, Thread Button Bit from Thread Retrac Rock Drill Button Bits T38 T45 T51 T60 for Top Hammer Drilling
Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, T58, T60, T68
Button bit face design: Flat face, drop centre,
Normal and Retrac, Sprial retract 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