CAT - MORSE TAPER ADAPTER Taper Size CAT-40 and 50 A ➚ A .00020 AT3 Taper 58-60 HRc Ra 4µin K G D1 D L2 L1 L Designation K L L1 L2 D D1 G CAT40 MT 1X1.750 MT1 1.750 1.000 .370 1.752 1.000 5/8-11 CAT40 MT 2X2.250 MT2 2.250 1.500 .870 1.752 1.260 5/8-11 CAT40 MT 3X2.765 MT3 2.765 2.015 - 1.752 - 5/8-11 CAT40 MT 4X3.625 MT4 3.625 2.875 2.245 1.752 2.008 5/8-11 CAT50 MT 1X1.500 MT1 1.500 .750 .120 2.752 1.000 1-8 CAT50 MT 2X2.000 MT2 2.000 1.250 .620 2.752 1.260 1-8 CAT50 MT 3X2.500 MT3 2.500 1.750 1.120 2.752 1.575 1-8 CAT50 MT 4X3.375 MT4 3.375 2.625 1.995 2.752 1.969 1-8 CAT50 MT 5X3.750 MT5 3.750 3.000 - 2.752 - 1-8 792