Lotus - Model MAX_L 400 -4 Inch DTH Hammer

4” DTH Hammer, with Top connection Threads 2 3/8” API – IF PIN, Shank Type –  QL 40. SUITABLE BUTTON BITS : Flat  Face (Optional- Concave Face) . Dia – 4 ½” ( 115 mm), Dia – 5” ( 127 mm). Dia – 6” ( 152 mm).