e1 e1 CAT - TOOLHOLDER STANDARD f2 L1 f3 f1 L6 L7 a 8˚17'50" C f1 d1 d3 G d8 d5 d6 b L4 d d12 20˚ 30˚ “B” Type CAT A.N.S.I. B5.50 b G d3 C d6 d5 d8 f1 Shank ±.001 d d1 UNC-2B ±.01 ±.01 ±.002 ±.002 ±.005 ±.005 CAT 30 .645 .2756 1.250 1/2-13 .590 .188 2.176 1.812 1.250 .4375 CAT 40 .645 .2756 1.750 5/8-11 .720 .188 2.863 2.500 1.750 .4375 CAT 50 1.02 .2756 2.750 1-8 1.125 .250 4.238 3.875 2.750 .4375 f2 f3 L1 L4 L6 L7 e1 Shank MIN ±.002 ±.005 MIN .000-.015 .000-.015 ±.004 d12 a CAT 30 1.38 .750 1.875 1.000 .735 .640 .826 .157 .125 CAT 40 1.38 .750 2.687 1.120 .985 .890 1.062 .157 .125 CAT 50 1.38 .750 4.000 1.750 1.485 1.390 1.653 .236 .125 778