Purchase Qty. Reference FOB Price
1 Piece US$25,147.00
2 Pieces US$24,917.00
3+ Pieces US$24,717.00
Product Description
ZGYX-420T/420T-1 seperate DTH Drilling Rig General Specification Hole Depth 30 m Hole Range Φ 110-140 mm Drill Pipe Sizes Φ 76x3000 mm Rotation Torque(Max.) 3200 N.m Hammer 4'' / 5'' Rotation Speed 60- 120 rpm Feed Force 20 kN Pull Up Force 45 kN Feed Type Chain / ...