4 x 8mm copy router bits for DIY projects, with upper bearing shank and flush trim router bit

About this item: Shank diameter: 8 mm, Cutting height: 25 mm (1 inch), Cutting diameters: 6.35 mm, 7.96 mm, 9.52 mm, 12.7 mm (1/4, 5/16, 3/8, 1/2 inch) with a ball bearing at the top end. Double-edged design, excellent concentricity for fast, clean, and precise cuts in laminate and jigs. Heat-resistant Teflon coating and ball bearing included for precise edge trimming of wood. Carbide cutters and steel shank. Premium YG6 carbide blades for long-lasting performance. Usable on CNC and other automatic milling machines, as well as handheld and benchtop routers. Cuts all composite materials, plywood, hardwood, and softwood.