Min. Order Reference FOB Price
2 Pieces US$50.00-360.00 / Piece
Product Description
5inch Reverse Circulation Hammers CRE545 Advantages: R.C.Drilling, referred to as " Centre Sample Recovery" or " Dual Wall Drilling",employs a Dual Wall Pipe where the drilling medium, normally high pressure air,is passed between the outer and inner tubes down to the face of drilling bit ...