4.2mm Red Band Drill Bit 2052-4.20 by Bordo

RED BAND – TOUGH TREATABLE STEEL The mechanical properties of materials are influenced diversely by the addition of alloying elements and heat treatment processes, resulting in some high-strength, quenched and tempered steels or hardened steels. This range has its own unique set of machining requirements which are satisified by the RED BAND – TOUGH TREATABLE STEEL – Series.