Series 66CR  |  Multi-Carb Corner Radius Tolerances (inch) Diameter D1 D2 3/16 - 1 +0.0000 / –0.0020 h6 Corner Radius Tolerances (inch) R = +0.000 / –0.002 Cutting Length Overall Shank Corner Number Ti-NAMITE-A Diameter of Cut Length Diameter Radius Flutes EDP No. D1 L2 L1 D2 R 3/16 5/8 2 3/16 .010 7 36627 Series 66CR 1/4 3/4 2-1/2 1/4 .015 7 36628 (Fractional) 3/8 1 3 3/8 .015 7 36629 1/2 1-1/4 3 1/2 .030 9 36630 1/2 1-1/4 3 1/2 .090 9 36631 1/2 1-1/4 3 1/2 .120 9 36632 5/8 1-5/8 3-1/2 5/8 .030 9 36633 5/8 1-5/8 3-1/2 5/8 .090 9 36634 5/8 1-5/8 3-1/2 5/8 .120 9 36635 3/4 1-5/8 4 3/4 .030 11 36636 3/4 1-5/8 4 3/4 .090 11 33637 3/4 1-5/8 4 3/4 .120 11 36638 1 2 6 1 .030 11 36639 1 2 6 1 .090 11 36640 1 2 6 1 .120 11 36641 6 www.sgstool.com