PFERD Reamers & Countersinks Countersink 609863 - PFERD 25202115, The PFERD 25202115 Countersink is a high-speed steel (HSS) tool designed for precision machining. Featuring a 20.5 mm diameter and a 90° angle, it is ideal for creating clean, conical holes in metal surfaces. Typical applications include deburring and countersinking in metalworking and engineering projects. PFERD 25202115 Countersink 20.5 mm HSS for 90° screws lowering
