36mm mining tapered bit

High quality taper cross drill bit jack hammer concrete drill bit 30mm-42mm 7 tapered button drill bit wear resistant 34mm tungsten carbide rock tapered drill bit Our tapered button bit was from high quality cemented carbide and produced with heat treatment technology,which connected with tapered drill rod well for air leg or hand-held rock drill machine for drilling holes in gold and coal mining,marble and granite quarries,stone project, tunnel, water conservancy,etc.

7 tapered button drill bit wear resistant 34mm tungsten carbide rock tapered drill bit Our tapered button bit was from high quality cemented carbide and produced with heat treatment technology,which connected with tapered drill rod well for air leg or hand-held rock drill machine for drilling holes in gold and coal mining,marble and granite quarries,stone project, tunnel, water conservancy,etc. Feature: 1.High performance,durable quality ,competitve price 2.Wear Resistant

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 taper angle of 7 is used. A 7 can also be used if bit spinning is a problem when using 11 and 12 equipment. As a small hole drilling tools in a real jobsite, Acedrills' 32mm 7 taper button bit is good for drilling quarry and gold mine, at present, our products have

7 tapered button drill bit wear resistant 34mm tungsten carbide rock tapered drill bit Our tapered button bit was from high quality cemented carbide and produced with heat treatment technology,which connected with tapered drill rod well for air leg or hand-held rock drill machine for drilling holes in gold and coal mining,marble and granite quarries,stone project, tunnel, water conservancy,etc. Feature: 1.High performance,durable quality ,competitve price 2.Wear Resistant