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.

See more: https://www.agdrill.com/Thread-Button-Bits-p.html