Neway CU625 Valve Seat Cutter 1-1/2 – 15° x 45°. 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 CU625 Valve Seat Cutter 1-1/2 – 15° x 45° Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. 375 Top Size Val.