45°END MILLS FOR HARDENED STEELS (6F) CODE NO Diameter Length of Cut Overall Length Shank Dia ΦD L1 L Φd HHMA 6060 6.0 15 60 6 HHMA 6080 8.0 20 70 8 HHMA 6100 10.0 25 78 10 HHMA 6120 12.0 30 100 12 HHMA 6160 16.0 40 106 16 HHMA 6200 20.0 45 120 20