Countersink Drill Bit, KATSU HSS 6542 Countersink Drill Bit 90 Degrees 40mm 3 Flute Chamfer Cutter Drill Bit for Wood Steel Metal Machine Tools, Positioning Drill Mill Cutter 12740621Made of high quality HSS 6542 steel, high hardness, wear resistant and durable 90 Degree drilling angle design, high bevel circlip and fine chamfering Great for hardened and tempered steel, soft and hard woods, mild steel, iron and stainless steel etc Use with milling, drilling, planing and chamfering machine Suitable for all common drills from Hilti, Bosch, Makita, Hitachi, Fein, AEG, Metabo, DeWalt, Black & Decker, Brder Mannesmann, Kress,