CAT - STUB ARBOR HOLDER Taper Size CAT-40 and 50 A ➚ A .00020 AT3 Taper 58-60 HRc Ra 4µin 4.000 3.250 1.500 L1 1/2 G D1 D D2 L W Designation D1 D D2 L L1 W G CAT40 STUB 1X4.000 1.000 1.496 1.752 6.722 2.620 .250 5/8-11 CAT40 STUB 1-1/4X4.000 1.250 1.772 1.752 6.841 - .312 5/8-11 CAT40 STUB 1-1/2X4.000 1.500 2.126 1.752 7.404 2.620 .375 5/8-11 CAT50 STUB 1 X4.000 1.000 1.496 2.752 6.717 2.620 .250 1-8 CAT50 STUB 1-1/4X4.000 1.250 1.772 2.752 6.835 2.620 .312 1-8 CAT50 STUB 1-1/2X4.000 1.500 2.126 2.752 7.404 2.620 .375 1-8 CAT50 STUB 2 X4.000 2.000 2.752 2.752 7.000 - .500 1-8 789