Brand Name:FANXI Model Number:DB-057 Type:Drill Bit Machine Type:Drilling Tool Certification:ISO 9001: 2008 Material:Carbide Processing Type:Forging Use:Ore Mining item:mining rock drill tool bit Application::Mine, ore. railway, water irrigation works and quarrying works Bit type::tapered drilling bits Advantage::high quality and factory price certificate:ISO9001 machinery:BUTTON BIT FOR JACK HAMMER material:Tungsten Carbide color:golden or black or others