HSK - ER MINI COLLET CHUCK - METRIC Taper SizeHSK-A 50, 63 and 100 A ➚ A .003 58-60 HRc N5 G2.5 20,000 RPM HSK D J D1 L2Ref L1Ref L Ref Designation HSK-A Range D D1 L L1 L2 J HSK A 50 ER16X100 M 50 0.5-10 22 100 74 M10 HSK A 50 ER16X120 M 50 0.5-10 22 120 94 M10 HSK A 50 ER20X100 M 50 1-13 28 100 74 M12 HSK A 50 ER20X120 M 50 1-13 28 120 94 M12 HSK A 63 ER16X100 M 63 0.5-10 22 100 74 M10 HSK A 63 ER16X120 M 63 0.5-10 22 40 120 94 78 M10 HSK A 63 ER16X160 M 63 0.5-10 22 40 160 134 85 M10 HSK A 63 ER20X100 M 63 1-13 28 100 74 M12 HSK A 63 ER20X120 M 63 1-13 28 120 94 M12 HSK A 63 ER20X160 M 63 1-13 28 45 160 134 85 M12 HSK A 100 ER16X100 M* 100 0.5-10 22 100 71 M10 HSK A 100 ER16X160 M* 100 0.5-10 22 40 160 131 85 M10 HSK A 100 ER20X100 M* 100 1-13 28 100 71 M12 HSK A 100 ER20X160 M* 100 1-13 28 45 160 131 85 M12 *Balance to G6.3 12,000RPM. 748