Min. Order Reference FOB Price
1 Set US$13,999.00-19,999.00 / Set
Product Description
Product Description HW-420B/420B-1Separated DTH Surface Drill Rig This model is equipped with a dual-motor rotary head and a multi-way valve with adjustable rotary speed. The rotary torque can reach 2200N.m, which meets the needs of 76 drill pipes and 130 bores. The rotation speed can reach up ...