© Siemens AG 2015 FLENDER Standard Couplings Taper Clamping Bushes Bores in imperial sizes (inches) Available imperial bore diameters in inches and order codes ST = Taper clamping bush in steel FN = Taper clamping bush with shallow keyway Shallow keyway dimensions B Ш D+T2 G_MD10_XX_00171 Ш D 14 14/7 Siemens MD 10.1 · 2015 Bore diameter Taper clamping bush size Order code for bore diameter (without "-Z") D Inch 1008 1108 1210 1610 1615 2012 2517 3020 3030 3525 3535 4030 4040 4535 4545 5040 0.375 L5D 0.500 L5E 0.625 L5G 0.750 L5J 0.875 L5L 1.000 FN L5N 1.125 ST-FN L5Q 1.250 L5S 1.375 L5U 1.500 L5W 1.625 FN L6A 1.750 L6C 1.875 L6E 2.000 L6G 2.125 L6J 2.250 L6L 2.375 L6N 2.500 L6Q 2.625 L6S 2.750 L6U 2.875 L6W 3.000 L7A 3.125 L7C 3.250 L7E 3.375 L7G 3.500 L7J 3.750 ST-FN L7N 4.000 ST-FN L7S 4.250 ST L7U 4.500 ST-FN L7X 4.750 ST L8A 5.000 ST-FN L8D Taper clamping bush Keyway to BS 46 - 1 Size Diameter Keyway width Keyway depth D B D + T2 mm mm mm 1008 25.400 6.350 D + 1.321 1108 28.575 7.925 D + 1.626 1615 41.275 11.100 D + 2.616 3525 95.250 25.400 D + 6.223 3525 101.600 25.400 D + 3.937 4030 114.300 31.750 D + 6.477 4535 127.000 31.750 D + 6.553