MADE IN THE USA – Our Spektra Coated Bits are proudly made in the USA. The Spektra CNC router bits feature a nACo nanocomposite coating with an extreme nanohardness and heat resistance, which maintains the sharpness of the tool's cutting edge. IDEAL FOR - The mortise compression spiral router bit is used for cutting the following materials: MDF/HDF, Laminate, Laminated Plywood, Melamine, Particle Board, Softwood/Hardwood, and Veneered Plywood. SPIRAL COMPRESSION ROUTER BIT DIMENSIONS - 46018-K: 1/4 D x 1 CH 1/4 SHK 2-1/2 Inch Long 3 Flute. These tools have a much shorter up-cut section than the standard compression tools. They are ideal for mortising grooving and dado. SOLID CARBIDE – Amana Tool solid carbide router bits ensure long-lasting cutting edge performance and tool life, delivering repeatable precision for a variety of cutting projects. INDUSTRIAL-QUALITY TOOLS – Amana Tool is an industry leader for over 50 years specializing in industrial quality cutting tools for the woodworking, plastics, aluminum, composite, and metal industries. UPC 738685884607 Model 46018-K Cut Type Spiral Cut Size Name 1/4 inch x 1 inch Brand Name Amana Tool Unit Count 1.0 Count Item Weight 0.01 Pounds Part Number 46018-K Manufacturer Amana Tool Item Diameter 0.25 Inches Material Type Wood Cutting Length 1 Inches Cutting Diameter 0.25 Inches Number of Flutes 3 Included Components Router Bit