HSK - THERMAL SHRINK HOLDER Taper SizeHSK-A 63 and 100 A ➚ A .00012 50-52 HRc Ra 4µin G2.5 Lmax 25,000 RPM M6 Lmin 4˚30’ HSK d D D1 J L2 L1 L Designation d D D1 L L1 L2 Lmin Lmax J Hex Key** HSK A 63 SRKIN 1/4X3.150 .250 .827 1.060 3.150 2.126 1.500 .984 1.420 M5 2.5 HSK A 63 SRKIN5/16X3.150 .312 .827 1.060 3.150 2.216 1.500 .984 1.420 M6 3.0 HSK A 63 SRKIN 3/8X3.346 .375 .940 1.260 3.346 2.320 2.000 1.220 1.650 M8 4.0 HSK A 63 SRKIN7/16X3.543 .437 .940 1.260 3.543 2.519 2.000 1.417 1.850 M10 5.0 HSK A 63 SRKIN 1/2X3.543 .500 .940 1.260 3.543 2.519 2.000 1.417 1.850 M10 5.0 HSK A 63 SRKIN 5/8X3.740 .625 1.060 1.340 3.740 2.716 1.750 1.535 1.970 M12 6.0 HSK A 63 SRKIN 3/4X3.937 .750 1.300 1.650 3.937 2.913 2.250 1.614 2.050 M16 8.0 HSK A 63 SRKIN 7/8X3.937 .875 1.730 2.074 3.937 2.913 2.170 1.614 2.050 M16 8.0 HSK A 63 SRKIN1 X4.528 1.000 1.730 2.074 4.528 3.504 2.170 1.850 2.280 M16 8.0 HSK A 63 SRKIN1-1/4X4.72 1.250 1.730 2.074 4.725 3.700 2.170 1.850 2.280 M16 8.0 HSK A 100 SRKIN 1/4X3.500* .250 .827 1.060 3.500 2.358 1.500 .984 1.420 M5 2.5 HSK A 100 SRKIN 1/4X4.750* .250 .827 1.060 4.750 3.608 1.500 .984 1.420 M5 2.5 HSK A 100 SRKIN 1/4X6.250* .250 .827 1.060 6.250 5.108 1.500 .984 1.420 M5 2.5 HSK A 100 SRKIN5/16X3.500* .313 .827 1.060 3.500 2.358 1.500 .984 1.420 M6 3.0 HSK A 100 SRKIN5/16X4.750* .313 .827 1.060 4.750 3.608 1.500 .984 1.420 M6 3.0 HSK A 100 SRKIN5/16X6.250* .313 .827 1.060 6.250 5.108 1.500 .984 1.420 M6 3.0 HSK A 100 SRKIN 3/8X3.625* .375 .940 1.260 3.625 2.483 2.000 1.220 1.650 M8 4.0 HSK A 100 SRKIN 3/8X4.750* .375 .940 1.260 4.750 3.608 2.000 1.220 1.650 M8 4.0 HSK A 100 SRKIN 3/8X6.250* .375 .940 1.260 6.250 5.108 2.000 1.220 1.650 M8 4.0 HSK A 100 SRKIN7/16X3.750* .438 .940 1.260 3.750 2.608 2.000 1.417 1.850 M10 5.0 HSK A 100 SRKIN7/16X4.750* .438 .940 1.260 4.750 3.608 2.000 1.417 1.850 M10 5.0 HSK A 100 SRKIN7/16X6.250* .438 .940 1.260 6.250 5.108 2.000 1.417 1.850 M10 5.0 HSK A 100 SRKIN 1/2X3.750* .500 .940 1.260 3.750 2.608 2.000 1.417 1.850 M10 5.0 HSK A 100 SRKIN 1/2X5.000* .500 .940 1.260 5.000 3.858 2.000 1.417 1.850 M10 5.0 HSK A 100 SRKIN 1/2X6.250* .500 .940 1.260 6.250 5.108 2.000 1.417 1.850 M10 5.0 HSK A 100 SRKIN 5/8X4.000* .625 1.060 1.340 4.000 2.858 1.750 1.535 1.970 M12 6.0 HSK A 100 SRKIN 5/8X5.000* .625 1.060 1.340 5.000 3.858 1.750 1.535 1.970 M12 6.0 HSK A 100 SRKIN 5/8X6.250* .625 1.060 1.340 6.250 5.108 1.750 1.535 1.970 M12 6.0 HSK A 100 SRKIN 3/4X4.125* .750 1.300 1.650 4.125 2.983 2.250 1.614 2.050 M12 6.0 HSK A 100 SRKIN 3/4X6.250* .750 1.300 1.650 6.250 5.108 2.250 1.614 2.050 M16 8.0 HSK A 100 SRKIN 7/8X4.125* .875 1.730 2.090 4.125 2.983 2.250 1.614 2.050 M12 6.0 HSK A 100 SRKIN 7/8X6.250* .875 1.730 2.090 6.250 5.108 2.250 1.614 2.050 M16 8.0 HSK A 100 SRKIN 1X4.500* 1.000 1.730 2.090 4.500 3.358 2.250 1.850 2.280 M12 6.0 HSK A 100 SRKIN1-1/4X4.75* 1.250 1.730 2.090 4.750 3.608 2.250 1.850 2.280 M12 6.0 * Balanced to G2.5 20,000 RPM. ** Metric 754