T38 3" retract button bits drop center spherical buttons are fully interchangeable with rock drilling rods manufactured by Atlas Copco, Sandvik, Boart Longyear etc.
1) Thread: T38.
2) Diameter: 76mm (3").
3) Material: 45CrNiMoV,YK05.
4) Advanced heat treatment technology.
5) Variety carbide tips suitable for different rock formations.
6) Thread connection: H25, R22, R25, R28, R32, R38, T38, T45, T51, ST58/ST68, T60.