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Tapers for Drill Chuck Arbors - Morse, Jacobs, DIN238

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"
 

VDI Taper - DIN 69880

 

K

a
[mm]

B
[mm]

d
[mm]

D1
[mm]

D2
[mm]

D3
[mm]

D4
[mm]

D5
[mm]

e
[mm]

f
[mm]

x
[mm]

y
[mm]

L1
[mm]

L2
[mm]

L3
[mm]

M

30 2 16,1 8 31,75 12,5 56,1 46 38 20 13,6 4 8 48,4 24 16,3 M12
40 2 16,1 10 44,45 17,0 75,6 63 53 25 16,6 5 10 65,4 30 22,6 M16
50 3 25,7 15 69,85 25,0 119,0 100 85 35 23,2 7 15 101,8 45 35,4 M24

BT Taper - MAS 403-BT

 

K

a
[mm]

B
[mm]

d
[mm]

D1
[mm]

D2
[mm]

D3
[mm]

D4
[mm]

D5
[mm]

e
[mm]

f
[mm]

x
[mm]

y
[mm]

L1
[mm]

L2
[mm]

L3
[mm]

M

30 2 16,1 8 31,75 12,5 56,1 46 38 20 13,6 4 8 48,4 24 16,3 M12
40 2 16,1 10 44,45 17,0 75,6 63 53 25 16,6 5 10 65,4 30 22,6 M16
50 3 25,7 15 69,85 25,0 119,0 100 85 35 23,2 7 15 101,8 45 35,4 M24

DIN Taper - DIN 69871

 

K

B
[mm]

D1
[mm]

D2
[mm]

D3
[mm]

D4
[mm]

D5
[mm]

D6
[mm]

L1
[mm]

L2
[mm]

L3
[mm]

L4
[mm]

L5
[mm]

M

30 16,1 31,75 13 59,30 50,00 44,30 45 47,80 24 16,4 19,0 15,0 M12
40 16,1 44,45 17 72,30 63,55 56,25 50 68,40 32 22,8 25,0 18,5 M16
50 25,7 69,85 25 107,25 97,50 91,25 80 101,75 47 35,5 37,7 30,0 M24

ISO Taper - DIN 2080


K

a
[mm]

B
[mm]

D
[mm]

D1
[mm]

D2
[mm]

F
[mm]

L1
[mm]

L2
[mm]

L3
[mm]

L4
[mm]

M

30 1,6 16,1 50 31,75 17,4 8 68,4 24 33,5 16,2 M12
40 1,6 16,1 63 44,45 25,3 10 93,4 30 42,5 22,5 M16
50 3,2 25,7 97,5 69,85 39,6 12 126,8 45 61,5 35,3 M24

More Articles ...

  1. MORSE Taper - DIN 228

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