Toolholder Dimensions by ID Size for CAT 40 and CAT 50

d1 L2 L3 T1 D2
1/8" 0.370" - - 0.750"
3/16" 0.562" - - 0.750"
1/4" 0.630" - M5 0.984"
5/16" 0.630" - M6 0.984"
3/8" 0.781" - M8 1.25"
7/16" 0.781" - M8 1.25"
1/2" 0.875" - M10 1.75"
5/8" 0.937" - M12 1.75"
3/4" 1" - M16 1.75"
7/8" 1.063" 0.875" M16 2.047"
1" 1.125" 1" M20 2.484"
1 1/4" 1.125" 1" M20 2.75"
1 1/2" 1.125" 1" M20 3.14"