borer sbm 400 espanol өсгөх
The SBM 400 SP/LP is a complete system for drilling long holes and boring raises as large as 6 ft (1.80m) in diameter with the 400 LP (Low Profile) or 7 ft (2.10m) with the 400 SP (Standard Profile) and up to 1,500 ft (457 m) in length.