Product name: 238mm MRS190 Concentric Symmetric Casing Drilling System Hole Opener Drill Bit For Rock Formation Drilling Casing pipe OD: 190mm It is recommended to drill in rock formation where contains some ... Lees meer
Mining tools Carbide Taper rock drill 7 button bits Product Description Taper button bit as small hole bit is different with thread button bit as long hole bit to use taper rod to be used for air leg or hand ... Lees meer
Product name: 273mm MRS symmetric casing drilling system for Geothermal drilling Casing pipe OD: 273mm It is recommended to drill in rock formation where contains some ovals and fractures. Product components: 1... Lees meer
Product name: 11 Degree tapered cross drill bit Product category: DTH taper drill bit Matched connection: 11 degree taper Diameter: 32mm KINGDRILLING DTH taper drill bit description: Taper button bit as small ... Lees meer