Min. Order Reference FOB Price
50 Pieces US$105.00-370.00 / Piece
Product Description
[Application scope] The rods are mainly used for borehole drilling in soft and outburst-prone coal seams or other in fragmentized formations. During the drilling process, the blade can agitate big block of the drilling cuttings that deposited in the bottom of borehole. Thus, drilling cuttings will ...