Sengmented CNC Sintered Diamond Finger Router Bit 1)CNC diamond Finger bit for granite,drill bit 2)Gas 1/2",Dia 22,25mm Sengmented ... CNC and Radial Arm machines. Center waterfeed holes in each bit.applications:for fabrication of granite connection:GAS1/2" for CNC ... machineswe provide Milling Pins,Drill bit,Router bit,Finger bit,Grinding wheel,Router wheel,Profiling wheel etc. for CNC ...