Technical data for common shaft designs of

milling machines and processing centres

SK sz.3040)50SK sz.3040)50
a±0.21.61.63.2I168.493.4126.8
bH1216.116.125.7I248.465.4101.8
d131.7544.4569.85I3358
d2 Nom. dim.17.425.339.6I4243247
d4M 12M 16M 24I5 min.33.542.561.5
d7506397.5I65.58.211.5
k±0,1581012I716.222.535.3

*) with ring groove

NC tool shanks DIN 69871 Part 1 form A

SK sz.30404550SK sz.30404550
a±0.23.23.23.23.2f1±0,111.111.111.111.1
b h 1216.116.119.325.7f2 min.35353535
d131.7544.4557.1569.85I1–0,147.868.482.7101.75
d2M 12M 16M 20M 24I3 min.24324047
d5 +0,0559.372.391.35107.25I5–0,11518.524.030.0
d6–0,15063.5582.5597.50I6-0,416.422.829.135.5
d7-0,544.356.2575.2591.25I8-0,4192531.337.7
d8 max.45506360
Part 1 formBCut A-B
SK sz.d12e1 ±0,1SK sz.d12e1 ±0,1
3042130421
4042740427
5054250542
SK sz.404550SK sz.404550
a±0.4233d1 h 12537385
d144.4557.1569.85f1 ±0.116.621.221.2
d2M 16M 20M 24f2253035
d5 h 875.68100.22119l1 ±0.165.482.8101.8
d6 h 86385100I2 min.304045
SK sz.404550SK sz.404550
b +0,216.119.327.5d6 –0,163.5582.5598.45
d144.4557.1569.85d7 -0,556.2575.2591.25
d2M 16M 20M 24d8 -0,544.757.470.1
d3 h 7172125l6 –0,422.829.135.5
d5 –0,172.3591.4107.3I8 –0,42632.540.4