Synthetic polycrystalline diamond compact brazed tungsten carbide carcass

Carcass-type PDC (PDC) PDC drill bit is to be welded by brazing carcass in a cutting drill drill bit. Carcass drill sintered tungsten carbide powder, artificial polycrystalline  cutting tools  brazed tungsten  abrasive wheels , and with the natural diamond gage. Steel body PDC bits, with nickel, chromium, molybdenum alloy machining shape.  Diamond blade , drilling the drill bit body, the synthetic polycrystalline diamond compact push (tight fit) drill bit body with cylindrical tungsten carbide gage.