The 12mm Shank Door Lock Hole Slotting Router Bit is designed for cutting holes and grooves in wood. It features replaceable tungsten carbide inserts, allowing the cutting edges to be replaced when worn. The long spiral body allows deeper cutting. Compatible with routers, engraving machines, CNC machines, and vertical milling machines.✅ Replaceable Tungsten Carbide InsertsDesigned with replaceable tungsten carbide inserts that feature sharp cutting edges. The inserts can be replaced when worn, making maintenance more convenient. ✅ Sharp Cutting PerformancePrecision-ground tungsten carbide cutting edges provide sharp cutting performance for cutting holes and grooves in wood. ✅ Wear Resistant ConstructionPremium tungsten carbide inserts offer excellent wear resistance for continuous woodworking applications. ✅ Long Spiral BodyThe long spiral body design allows deeper cutting while maintaining stable machining performance. SpecificationsShank Diameter: 12mmCutter Material: Tungsten CarbideBody Material: Alloy SteelCompatible: Router, Engraving Machine, CNC Machine, Vertical Milling MachineSuitable Materials: Laminated Board, Melamine Board, MDF, Veneered Plywood, Solid Wood