Tungsten Carbide Center Drill Bit For Center Drilling 

Solid Carbide Center Drill Twist Drill Bits Set Center drill bit is a drill bit especially for center hole drilling, it is made of ultra-fine grain size tungsten carbide rod, which makes it has the advantages of very good wear resistance, very strong, and very sharp edge. Carbide grades can be selected according to the materials to be drilled.  SUPAL TOOLS uses the top quality carbide rods, precise grinding machines, and owns a professional technician team for our end mills. We focus on top quality high end customized special cutters for machining metals, woods, plastic, crystals, glass, etc. We have material product series of end mills for aluminum alloy, cast iron, titanium alloy and tooling steels.