Neway 293 Valve Seat Cutter 1-3/4 (44.5 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. Standard Series Valve Seat Cutter 44.5mm 60 deg. Untitled Document Neway 293 Valve Seat Cutter 1-3/4 (44.5 mm) 60 deg Valve Seat Cutting with Neway Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters. Part Number CU293 Name Standard Series Valve Seat Cutter 44.5mm 60 deg. Diameter 44.5mm Angle 60° Blade Count 3 Blade Part TC254 Operating Range Minimum 41mm Operating Range Maximum 54.5mm Blade Adjustment Minimum 21.1mm Blade Adjustment Maximum 54.6mm.