
USER GUIDE Endmill Shank Styles Shank Diameter (d) l min . Recommended Cylindrical l 10 1.5xd 16 1.5xd 20 1.5xd 25 1.5xd d 32 1.5xd 40 1.5xd Weldon MILLING INSERTS 12 45 l 16 48 20 50 25 56 d 32 60 40 70 50 80 Combined Shank (Clarkson) l 16 39 20 — 25 53 d 32 54 40 75 Morse l CM 2 64.0 CM 3 81.0 CM 4 102.5 Bridgeport l 101.6 Face Mill Arbor Hole Styles Da E d 1 d 2 d 3 a b Da Style A a b E 16 19 13.5 8.4 5.6 22 20 18 — — 10.4 6.5 27 23 38 12.4 7.0 d1 Style B Da a b E 22 20 31 10.9 6.5 27 25 38 12.4 7.0 — — 32 25 46 14.4 8.0 40 33 56 16.4 9.0 d1 Style C d2 Da a b E 40 33 65 66.7 — 16.4 9.0 60 38 — 101.6 — 25.7 14.0 d1 Style D d3 d2 Da a b 60 38 — 101.6 177.8 25.7 14.0 E 461 461