Xewsqmlo 3*6MM Engraving Bits Duble-grained Drill Bit Boxed Rotary Burr Bit for Engraving

Specification: Shank diameter: 3mm (approx. 1/8 ) Cutting edge diameter: 6mm Quantity: 10pcs Material: tungsten carbide Package size: approx. 100*65*12mm/3.93*2.55*0.47 inch Usage: Mainly used on pneumatic or electric driven tools the speed is generally 6000-50000 rpm when using the tool clamping clamping positive cutting mode to reverse milling is good avoid reciprocating cutting work should prevent chip scattering. Used in machinery aviation automotive shipping chemical industry craft carving and other industrial sectors the effect is remarkable Note: Due to the different monitor and light effect the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 10PCS x Rotary files