Min. Order Reference FOB Price
1 Piece US$25,000.00-40,000.00 / Piece
Product Description
Borehole diameter(mm) Ф400-600 Drilling depth(m) 20 Maximum theoretical torque of power head(kN/m) 250-350 Power head speed( r/min) 7-9 Power of power head motor(kw) 110frequency conversion*2 Synchronous speed of power head motor( r/min) 960 Main winch motor power(kw) 37 Maximum ...