LMT Belin - 13100 10mm Cut Diameter Upcut Router BitBelin Upcut Router Bits are designed to deliver an excellent cut finish to most types of rigid plastic materials such as acrylic, polycarbonate, PVC, nylon, etc. They are also very effective for use on woods and foams. Cut Diameter: 10mm Shank: 10mm Cut Length: 30mm Overall Length: 75mm Flute Type: Upcut The upward spiral geometry ejects swarf and dust toward the top of the cutter, making waste material removal easy with a quality extraction system.