4 Pcs V-shaped O-groove engraving knife Aluminum plastic acrylic engraving knife Aluminum composite engraving lettering woodworking

Designed for precision CNC engraving and carving applications, this V Groove O Flute Spiral Router Bit delivers clean cuts, smooth finishes, and efficient chip evacuation. Featuring a sharp V-shaped cutting edge and polished flute design, it is ideal for detailed engraving, lettering, chamfering, and groove cutting on various non-metal materials. The O-shaped flute design helps reduce chip buildup during cutting, providing smoother operation and improved cutting efficiency. Suitable for CNC routers, engraving machines, milling machines, and rotary tools, this router bit is widely used for woodworking, acrylic engraving, PVC processing, MDF carving, and aluminum composite panel applications. ✅ Sharp V-Shaped Engraving Design The precision V-point cutting geometry allows for detailed engraving, fine lettering, and clean V-groove cuts with excellent edge definition. ✅ O Flute Spiral Cutting Edge The spiral O-flute design improves chip removal performance, reduces material buildup, and helps achieve smoother cutting results. ✅ Ultra-Smooth Surface Finish Advanced polishing technology creates sharp, burr-free cutting edges and reduces friction for improved cutting quality and tool life. ✅ Multiple Angle Options Available in different V-angle designs for different engraving requirements: 30° V Groove Bit – Suitable for fine engraving and detailed lettering 45° Engraving Bit – Balanced engraving and chamfering performance 60° Chamfer Bit – Ideal for wider grooves and edge finishing 90° Inlay Bit – Suitable for decorative inlay and wider engraving work Specifications Shank Diameter：1/4" (6.35mm) Overall Length：2" (50mm) Tip Diameter：0.2mm Cutting Angle：30° / 45° / 60° / 90° Material：Carbide (YG20 Grade) Cutting Type：Spiral O Flute