Min. Order Reference FOB Price
1 Piece US$460.00-500.00 / Piece
Product Description
User: It is widely used in earth and stone technology, mining, well drilling, construction technology, drilling well, side column support, etc. The downhole drill is a type of drill used in connection with the borehole. 10. Customization is welcome: Face type: drop center bit/concave face/convex ...