Neway CU237 Valve Seat Cutter 1-5/8 – 30° x 45° – 3 Blades. Valve Seat Cutting with Neway Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. Neway’s user-friendly valve seat cutters allow you to precisely machine a multi-angle valve seat in a matter of minutes. Tungsten carbide leaves a perfectly flat, machined surface, ideal for optimal sealing efficiency and heat transfer. Valve Seat Cutting with Neway. Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. Standard Series Neway Cutter Bodies are designed to work with Neway. 375 Top Size Valve Guide Pilots. Neway CU237 Valve Seat Cutter 1-5/8 – 30° x 45° – 3 Blades Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters.