Min. Order Reference FOB Price
1 Piece US$30.00-500.00 / Piece
Product Description
Three wing Four wing Coal Drill Bit Water Well Drilling Bit Concave PDC Drill Bits For Sandstone Clay Geological Three-wing, Four-wing, Five-wing PDC Concave Drilling Bits are available Product Introduction: PDC non coring drill bit is mainly used for water injection and drainage in coal ...