ATA International Product Catalogue

291 SOLID CARBIDE DRILLS Karnasch Art. 29 0120 – 6.0 mm Drill exit Material: CRP CRP drill test Karnasch Art. 29 0120 – 6.0 mm Drill entry Material: CRP Cutting data Vc = 160 m/min Vf = 850 mm/min n(s) = 8,493 rpm fz = 0.1 mm ap = 20 mm Magnification: 30× CVD drill 6.0 mm Competitor Drill exit Material: CRP CVD drill 6.0 mm Competitor Drill entry Material: CRP Cutting data Vc = 160 m/min Vf = 850 mm/min n(s) = 8,493 rpm fz = 0.1 mm ap = 20 mm Magnification: 30× Drill entry Drill exit Competitor Drill entry Competitor Drill exit 11 Index 10 9 OIL 8 7 6 5 4 3 2 1