Lotus - Model FD 10 -10 Inch DTH Hammer

10”  DTH Hammer, with Top connection Threads 6 5/8” API REG PIN, Shank Type – Sandvik – SD 10 Hammer. SUITABLE BUTTON BITS : Flat face(Optional – Concave Face). Dia – 10” ( 254 mm)* , Dia – 10 ½” ( 280 mm)*. Dia – 12” ( 305 mm) *, Dia – 12 ½” ( 330 mm)*.