Type B taper (DIN 238)


Taper (K1) Large End (d1) Small End (d2) Length (l)
mm inch mm inch mm inch
B10 10,094 0.3974" 9,4 0.3701" 14,5 0.5709"
B12 12,065 0.4750" 11,1 0.4370" 18,5 0.7283"
B16 15,733 0.6194" 14,5 0.5709" 24,0 0.9449"
B18 17,780 0.7000" 16,2 0.6378" 32,0 1.2598"
B22 21,793 0.8580" 19,8 0.7795" 40,5 1.5946"
B24 23,825 0.9380" 21,3 0.8386" 50,5 1.9882"

Jacobs taper


Taper (K1) Large End (d1) Small End (d2) Length (l)
mm inch mm inch mm inch
J0 6,35 0.2500" 5,80 0.2284" 11,11 0.4375"
J1 9,75 0.3840" 8,47 0.3334" 16,67 0.6563"
J2 14,20 0.5590" 12,39 0.4876" 22,23 0.8750"
J2 krótki 13,94 0.5488" 12,39 0.4876" 19,05 0.7500"
J2 ? 17,20 0.677" 15,88 0.625" 26,80 1.055"
J3 20,60 0.8110" 18,95 0.7461" 30,96 1.2188"
J4 28,55 1.1240" 26,34 1.0372" 42,07 1.6563"
J5 35,89 1.4130" 33,43 1.3161" 47,63 1.8750"
J6 17,17 0.6760" 15,85 0.6241" 25,40 1.0000"
J33 15,85 0.6240" 14,23 0.5604" 25,40 1.0000"

Morse Taper (DIN 228)


Taper (K1) Large End (d1) Small End (d2) Length (l)
mm inch mm inch mm inch
M0 9,0448 0.3561" 6,400 0.2520" 50,80 2.00"
M1 12,065 0.4750" 9,373 0.3690" 54,10 2.13"
M2 17,780 0.7000" 14,529 0.5720" 65,02 2.56"
M3 23,825 0.9380" 19,761 0.7780" 81,06 3.19"
M4 31,267 1.2310" 25,908 1.0200" 103,12 4.06"
M5 44,399 1.7480" 37,465 1.4750" 131,83 5.19"
M6 63,348 2.4940" 53,746 2.1160" 184,15 7.25"
M7 83,056 3.2700" 69,848 2.7500" 253,995 10.00"