10pcs Tungsten Carbide V Groove Router Bits Set for Precision PCB Engraving - 3.175mm Shank Diameter(45degx0.3mm). High-precision 10-piece set of Tungsten Carbide V Groove Router Bits devised specifically for detailed PCB engraving and machining. Versatile cutting angles from 10° to 90° allow for intricate designs, making these bits ideal for signmaking, lettering, and various engraving projects. Constructed from premium tungsten carbide, these bits provide exceptional hardness and wear resistance, ensuring long-lasting performance and durability. Sharp cutting edges guarantee clean and precise engravings, enhancing the of your work with every use for professional results. Compatible with CNC routers, these bits are perfect for machining a variety of materials including PCB, plastics, wood, and metal, offering versatility for all your engraving needs. Farbe:One Color