Neway Valve Seat Cutter 1-1/2 38m 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. Side A Angle 30° Blade Count 3 Blade Part TC251 Operating Range Minimum 35mm Operating Range Maximum 45mm Blade Adjustment Minimum 16.9mm Blade Adjustment Maximum 47mm Side B Angle 45° Blade Count 3 Blade Part TC251 Operating Range Minimum 35mm Operating Range Maximum 47mm Blade Adjustment Minimum 20.6mm Blade Adjustment Maximum 47mm 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 Valve Seat Cutter 1-1/2 38m 30° x 45° – 3 Blades Valve seat reconditioning is simple, accurate, and clean with Neway’s carbide-bladed cutters.