Neway Valve Seat Cutter 2 – 30° 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. Untitled Document Neway Valve Seat Cutter 2 – 30° x 45° Item# CU660 Valve Seat Cutting with Neway Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. Cutter Specifications: Side A Angle 30° Blade Count Blade Part TC251 Operating Range Minimum 47.5mm Operating Range Maximum 58mm Blade Adjustment Minimum 26.7mm Blade Adjustment Maximum 59.8mm Side B Angle 45° Blade Count Blade Part TC251 Operating Range Minimum 47.5mm Operating Range Maximum 59mm Blade Adjustment Minimum 31.8mm Blade Adjustment Maximum 59.1mm.