T45-89-14button FF spherical bit

T45-89-14button FF spherical bit, 13mm*8+12mm*6

Diameter: 76mm, 89mm, 102mm

Face type: flat, uniface, drop Center

Carbide shape: Dome, ballistic, semi-ballistic

Drop Center Face T45 Threaded Drill Bit

T45 button FF spherical bit with drop center face design.

14 Dome Buttons, 89mm Diamter, T45 Thread, flat-face body Top Hammer Bit to match with extension drill rods for bench drilling and underground long hole drilling.、