Neway 270 Valve Seat Cutter 1-1/4 (31.8 mm) 60 deg. 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. Part Number CU270 Name Standard Series Valve Seat Cutter 31.8mm 60 deg. Diameter 31.8mm Angle 60° Blade Count 3 Blade Part TC252 Operating Range Minimum 28.5mm Operating Range Maximum 38mm Blade Adjustment Minimum 18.5mm Blade Adjustment Maximum 38.5mm. Untitled Document Neway 270 Valve Seat Cutter 1-1/4 (31.8 mm) 60 deg Valve Seat Cutting with Neway Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters.