Purchase Qty. Reference FOB Price
1-4 Sets US$30,000.00
5-9 Sets US$25,000.00
10+ Sets US$20,000.00
Product Description
Specification Product Name Reverse circulation drilling rig Max drilling depth 400 m Drilling diameter 115-305 mm Air pressure 1.05-3 Mpa Air consumption 16-42 m3/min Drill pipe length 3 m Drill pipe diameter 89/108/127 mm Axial pressure 5 T Lifting force 12 T Fast lifting speed 14.5 m/min Fast ...