NIPHA is manufacturing more than 2 dozen types of rotary tiller blades and has technology and expertise to develop newer onesNIPHA blades are made from durable high carbon & spring steel grade AISI 1070, AISI 1080, EN 45, SUP9, Boron Steel and equivalent. NIPHA blades are heat treated, stress relieved and shot blasted to provide strength and uniform hardness throughout. Due to this process NIPHA blades have