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Standard Morse Tapers

Morse taper dimension diagram
Taper DSE DLE d B R t T Taper/Inch Taper/Foot
MT0.2536.3626.2352.3445/325/321/4.05205.6246
MT1.3721.4812.3432.5633/1613/643/8.04988.5986
MT2.5751.7094.53133.1251/41/47/16.04995.5994
MT3.7811.9474.71883.8759/325/169/16.0502.6024
MT41.0231.244.96884.8755/1615/325/8.0519.6233
MT51.4781.7611.40636.1253/85/83/4.0526.6315
MT62.1232.5102.00008.5631/23/41 1/8.0521.6257
MT72.7573.2902.62511.6253/41 1/81 3/8.0520.6240
DSE = Small End Diameter | DLE = Large End Diameter | d = Tang Slot Diameter | B = Length | R = Tang Radius | t = Tang Thickness | T = Tang Length