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Morse Taper (MT) Dimensions Chart

MorseTaperDimensionsChart.pdf

Taper# A D L B
0 0.3561 0.2520 0.5625 2.3438
1 0.4750 0.3690 0.7500 2.5625
2 0.7000 0.5720 0.8750 3.1250
3 0.9380 0.7780 1.1875 3.8750
4 1.2310 1.0200 1.2500 4.8750
5 1.7480 1.4750 1.5000 6.1250
6 2.4940 2.1160 1.750 8.5625
7 3.2700 2.7500 2.6250 11.6250

NOTE: At times, the female Morse Taper cavity in a machine may be slightly smaller than the maximum diameters shown above. This is because the MT tooling often extends a bit past the end of the spindle that is receiving the Morse Taper Tool.  For Instance, the “A” dimension for a MT2 female cavity may actually measure 0.695″ rather than 0.700″ in extreme cases, etc.  The differences in dimensions grow wider as you go from MT0 to MT7.

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