7 Degree 4 Carbide Tips Tapered Button Bit For Jack Hammer 7 tapered button drill bit wear resistant 34mm tungsten carbide rock tapered drill bit Our tapered button bit was from high quality cemented carbide ... Read More
32mm 7 Degree 7 Button Taper Button Bit For Gold Mine Dth Drilling Rig Different rock formation and rock drills require different taper angles. For low impact rock drills and softer rock formation, a narrow ... Read More
Taper 30mm 34mm 36mm 38mm 40mm Dth Drilling Bit Mining Use Tapered Rock Tools Taper button bit as small hole bit is different with thread button bit as it use taper match bit with rod to be used for air leg or ... Read More