... your demand.(1)Thread: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60Button bit face design: Flat face, drop ... .Tungsten carbide (Buttons): Spherical, ballistic and Conical. (Threaded R32, R38, T38, T45, T51, bit diameter: 45mm-127mm);(2) Main button bits ... :R32-45mm, R32-51, R32-64, R32-76,T38-64mm, T38-76mm, T38-89, T38-102mm,T45-76mm, T45-89mm, T45-102mm,T51-89mm ...