Burr

6Pcs 6Mm Tungsten Carbide Cutter Rotary Burr Set Useful Engraving Bit Set New
US $23.89
8Pcs 1/4 Tungsten Carbide Burr Bit 6mm Rotary Cutter Files CNC Engraving Tool
US $20.62
6pcs 6*10mm Tungsten Carbide 8 Flutes Rotary Burrs Point File Cutter Drill Bit
US $29.12