Bosch 85581MC Carbide-tipped Classical Router BitBosch Carbide-Tipped Router Bits deliver precision and durability. They feature premium-quality micrograin carbide tips that are engineered with a special heat-treating process for an extra-fine finish. The tips provide maximum sharpness and edge retention. The fully hardened and tempered steel shanks provide ultimate durability. These bits retain painstaking accuracy across hundreds of profiles for mortising, edge forming, trimming, surface forming, and cabinetry/joinery in wood, plastic and laminate.Micrograin carbide-tip router bit design ensures consistently smooth finish cuts, with superior wear resistanceDecorative edging bit creates classic edging for period furniture and decorationsSmoothly radiused edge requires little or no sanding before applying finishReinforced shanks feature fully hardened and tempered steel shanks that provide ultimate durabilityUpgraded micrograin carbide engineered for precise cuts and for long bit lifeBosch-exclusive heat-treating process provides hardness and withstands high temperaturesComprehensive line of bits features hundreds of profiles for mortising, edge forming, trimming, surface forming, and cabinetry/joinery in wood, plastic and laminateGeneralSub-BrandN/ADimensionsBearing Diameter1/2-inOverall Diameter1-1/2-inBit Shank Diameter1/4-inOverall Length (Inches)2.125Cutting Edge Length5/8-inFeaturesBit MaterialCarbide-tippedNumber of Flutes2Bit StyleClassicalWarranty1-year