beginning of inno-fit shanks, etc SERIES C40Z4SA, HSKA63 SPINDLE ADAPTOR Coolant L1 L2 D1 D1 L1 L2 Nominal Innofit Extension Projection Designation Diameter Adaption Adaption Length Length C40Z4SA-13 1.93 #40 V-Flange SK40 1.38 0.63 C40Z4SA-21 1.93 #40 V-Flange SK40 2.13 1.38 HSKA63Z4SA062 1.93 HSK-63-A SK40 2.44 1.38 C50Z5SA-21 3.07 ICT #50 V-Flange SK50 2.13 1.38 726