EnPoint&trade; Titanium Coating Carbide-Tipped Double Edge Miter Folding V-Groove Router Bit 15/64" 6mm Shank 60 Degree 22mm Cutter Dia 3D Sign Making Engraving Bit Woodworking Chamfer Bevel Cutter Carbide-tipped cutting edge brings sharper cutting experience and reduces chance of burring With use of high-frequency welding comes outstanding longevity, little chance of breaking Produced from medium carbon steel and super fine mirror-like finish for more precision shank size Titanium coating for more durable to high temperature and easier chip evacuation; the high-speed steel body for high hardness, wear-resisting and heat-resisting Routing V-shaped grooves, ideal for wall panel fabrication; mainly used for acrylics & plastics, carbon fiber, chipboard, laminated veneers, MDF, PCB, solid surface, wood and wood composite materials