3” DTH Hammer, with Top connection Threads 2 3/8” API – IF PIN, Shank Type – Lotus FF 4 / Mach 44

SUITABLE BUTTON BITS : Flat face(Optional – Concave Face)

Dia – 4” ( 102 mm) , Dia – 4 ½” ( 115 mm)

Dia – 5” ( 127 mm), Dia – 6” ( 152 mm)

Dia – 6 ½” ( 165 mm)