Spiral solid carbide router bits are made by Amana Tool, the leading manufacturers of high quality wood cutting tools. Amana Tool 51762 SC CNC Spiral Double 'O' Flute, Plastic Cutting 1/8 Dia x 1/2 CH x 1/4 Shank x 2 Inch Long Up-Cut Router Bit uses the highest quality sub-micrograin carbide resulting in clean cuts, superior surface finish and a longer tool life. The spiral double ?O? flute sharpening process increases feed rates, allowing for more linear feet routed in less time. Excellent for: Plastic, Acrylonitrile Butadiene Styrene (ABS) , Acetal, Acrylic, Acrylic Stone, Alupanel, Corian, Coroplast, Corrugated Polypropolyene, Correx Boards, Delrin, Foam Board, Gatorfoam, High Density Polyethylene (HDPE), High Impact Polystyrene (HIPS), HIPS with digital printing, King ColorCore, Laminate, Low Density Polyethylene, Lucite, Low Density Polyethylene (LDPE), Mechanical/Engineered Plastic, Nylon, Plexiglas, Polyethylene Terephthalate Glycol (PETG), Polyethylene (PE), Polyethylene Terephthalate (PET), Polycarbonate (Lexan?), Polypropylene (PP), Poly (methyl methacrylate), PVC, Solid Surfaces, Sintra-PVC, Teflon, Thermoplastic Polyolefin (TPO), Ultra High Molecular Weight Polyethylene (UHMWPE), Wood. SPECIFICATIONS: Direction: Up-Cut; (D) Diameter: 1/8; (B) Cutting Height: 1/2; (d) Shank: 1/4; Overall Length (L): 2; Flutes: 2.