10Pcs Engraving Bits V Shaped CNC Router 1 Flute for PCB Acrylic Lettering Sign Making Silver3.175x1x3.5mm

1、Made of good quality tungsten steel material strong and durable not easy to deform 2、Possess of sharpness edge no burr on the surface which will not hurt your hands when operate 3、There is a wide range of materials that can be engraved or cut including copper aluminum ABS acrylic PVC nylon resin most plastics wood fiberglass carbon etc. 4、Shank diameter is 3.175mm come with silver appearance simple and beautiful 5、1 flute V shaped engraving bits are suitable for CNC engraving tools possess high working efficiency saving labor and time