General description Our CNC Router Bits Set features high-quality, high-hardness wear-resistant tungsten steel, providing superior sharpness and durability compared to ordinary carbide CNC drill bits. This set includes 8 precision mirror CNC engraving bits designed for efficient cutting performance, ensuring a flat and smooth cutting surface. Technical specifications Material: Tungsten steel Shank size: 1/4 inch (6mm) Includes: 2 x 15° detail drill bits, 2 x 20° profile drill bits, 1 x 60° V-groove drill bit, 1 x 90° V-groove drill bit Measurement allowed error: +/- 1-3 cm Compatibility and accessories Suitable for MDF, PVC, acrylic, wood, plywood, organic board, etc. Usage Widely used for cutting, engraving, etching, grooving, drilling, and milling. Other information Color: Silver Package Contents: 8 x Bits (individually packaged) Note: Light reflection and different displays may cause the color of the item to differ slightly from the real thing.