T45 89MM retrac thread button bits
Thread button bits are made with high quality imported special 45CrNiMoV and YK05 tungsten carbides, manufactured using hot press technology .
Thread sizes: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60,
bit diameter: 43mm-152mm
Button bit face design: flat face, drop center, uniface
Skirt designs: normal, retrac, straightrac;
Tungsten carbide (Buttons): Spherical, ballistic and Conical.
Main thread 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
Stable high quality which can reach 95% of world famous brand