General description Tungsten Carbide Rotary Burr Milling Cutter Bit Set is designed for precision engraving and grinding in various industrial sectors. This versatile set is ideal for finishing metal mold cavities, cleaning flash, burrs, and welds, as well as chamfering and groove processing of mechanical parts. Technical specifications Weight: approximately 95g Color: silver Material: Steel Size: 3x3mm Package Contents: 20 x Double-grain Mixed Model Rotary File Measurement allowed error: +/- 1-3cm Usage Engraving various metal and non-metal materials Finishing of mold cavities, such as shoe molds Cleaning of castings, forgings, and weldments Chamfering and groove processing of mechanical parts Finishing of impeller runners in automotive applications Other information