Min. Order Reference FOB Price
1 Piece US$100.00-1,000.00 / Piece
Product Description
APPLICATION RANGE: Widely used for drilling water wells,geothermal wells,short mircoplies,medium mini-type grouting hole of building,damand habour project. OPERATION GUIDELINES: 1. When drilling starts, the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down ...