TOLERANCES (inch) L1 DIAMETER D1 D2 L3 1/4 - 3/8 +0.00000 / –0.00035 h6 L2 1/2 - 5/8 +0.00000 / –0.00043 h6 3/4 - 1 +0.00000 / –0.00051 h6 D1 D2 CORNER RADIUS TOLERANCE (inch) 38° R = +0.0000 / –0.0020 R SERIES 43EC Cutting Length Overall Shank Reach Corner Uncoated Ti-NAMITE-B Diameter of Cut Length Diameter L3 Radius EDP No. (TiB2) D1 L2 L1 D2 R EDP No. Corner 1/4 3/8 3 1/4 1-1/8 .015 35789 36237 1/4 3/8 3 1/4 1-1/8 .060 35790 36238 Series 43EC  3/8 1/2 4 3/8 2-1/8 .015 35793 36241 Straight 3/8 1/2 4 3/8 2-1/8 .090 35794 36242 1/2 5/8 5 1/2 3-3/8 .015 35797 36245 1/2 5/8 6 1/2 4-1/4 .015 35798 36246 1/2 5/8 6 1/2 4-1/4 .030 35799 36247 HAIMER |  Safe-Lock 1/2 5/8 6 1/2 4-1/4 .060 35800 36248 Fractional 1/2 5/8 6 1/2 4-1/4 .090 35801 36249 1/2 5/8 6 1/2 4-1/4 .120 35802 36250 3/4 1 6 3/4 3-3/8 .190 35805 36253 3/4 1 6 3/4 3-3/8 .250 35806 36254 Long Reach 1 1-1/4 7 1 4-3/8 .030 35813 36261 Neck 1 1-1/4 7 1 4-3/8 .060 35814 36262 1 1-1/4 7 1 4-3/8 .090 35815 36263 1 1-1/4 7 1 4-3/8 .120 35816 36264 Right Spiral 1 1-1/4 7 1 4-3/8 .190 35817 36265 POS 1 1-1/4 7 1 4-3/8 .250 35818 36266 Positive Rake External Coolant 3 Flutes www.kyocera-sgstool.com 15