L Ref CSI A 0.003 A AT3 Taper SS R-8 ER DIN 6499 ER Collet Chucks 58-60 HRc with Bridgeport Shanks D 3 d min max G J kg Designation SS CSI d min d max L D 3 J G R-8 ER16X38 R-8 ER16 0.5 10.0 38.00 28.00 M10 7/16-20 0.38 R-8 ER32X40 R-8 ER32 2.0 20.0 40.00 50.00 M12 7/16-20 0.42 R-8 ER40X72 R-8 ER40 3.0 26.0 72.00 63.00 M12 7/16-20 0.84 995 947-950 944-946 CSI L 2 L Ref T A 0.003 A AT3 Taper SS MT-ER A DIN 6499 ER Collet Chucks with 58-60 HRc DIN 228-2 Morse Taper Shanks D 3 A G J A-A DIN 2080, R-8 Bridgeport, Morse Taper kg Designation SS CSI d min d max L L 2 D 3 J G T MT 2 ER20X48.5 2 ER20 1.0 13.0 48.50 64.00 34.00 M10 M10 22.0 0.16 MT 2 ER25X52 2 ER25 1.0 16.0 52.00 64.00 42.00 M10 M10 28.0 0.21 MT 3 ER32X 69 3 ER32 2.0 20.0 69.00 81.00 50.00 M12 M12 24.0 0.47 MT 3 ER40X 79 3 ER40 3.0 26.0 79.00 81.00 63.00 M12 M12 24.0 0.64 MT 4 ER32X 61 4 ER32 2.0 20.0 60.50 102.50 50.00 M16 M16 32.0 0.62 MT 4 ER40X 82 4 ER40 3.0 26.0 81.50 102.50 63.00 M16 M16 32.0 0.82 MT 4 ER50X108 4 ER50 10.0 34.0 107.50 102.50 78.00 M16 M16 32.0 1.44 MT 5 ER40X 82 5 ER40 3.0 26.0 82.00 129.50 63.00 M28X1.5 M20 45.0 1.54 MT 5 ER50X 85 5 ER50 10.0 34.0 85.00 129.50 78.00 M28X1.5 M20 45.0 0.70 996 947-950 944-946 918 ISCAR