Page 425 - DC_SWISS(Catalogue_TM_ES-EN)

METRIC THREADS ISO DIN 13
Nominal thread diameters - Pitch diameters

Nominal thread Pitch Tol. Nut thread Tol. Bolt thread
diameters Pitch diameters Pitch diameters
mini maxi maxi mini
M 1 (x0.25) 4H 0.838 0.883 6h 0.838 0.785
M 1.4 (x0.3) 4H 1.205 1.253 6h 1.205 1.149
M 1.6 (x0.35) 6H 1.373 1.458 6g 1.354 1.291
M 2 (x0.4) 6H 1.740 1.830 6g 1.721 1.654
M 2 x0.25 4H 1.838 1.886 6h 1.838 1.782
M 2.2 (x0.45) 6H 1.908 2.003 6g 1.888 1.817
M 2.5 (x0.45) 6H 2.208 2.303 6g 2.188 2.117
M 3 (x0.5) 6H 2.675 2.775 6g 2.655 2.580
M 3 x0.35 6H 2.773 2.863 6g 2.754 2.687
M 3.5 (x0.6) 6H 3.110 3.222 6g 3.089 3.004
M 4 (x0.7) 6H 3.545 3.663 6g 3.523 3.433
M 4 x0.5 6H 3.675 3.775 6g 3.655 3.580
M 4.5 (x0.75) 6H 4.013 4.131 6g 3.991 3.901
M 5 (x0.8) 6H 4.480 4.605 6g 4.456 4.361
M 6 (x1) 6H 5.350 5.500 6g 5.324 5.212
M 6 x0.75 6H 5.513 5.645 6g 5.491 5.391
M 6 x0.5 6H 5.675 5.787 6g 5.655 5.570
M 7 (x1) 6H 6.350 6.500 6g 6.324 6.212
M 8 (x1.25) 6H 7.188 7.348 6g 7.160 7.042
M 10 (x1.5) 6H 9.026 9.206 6g 8.994 8.862
M 12 (x1.75) 6H 10.863 11.063 6g 10.829 10.679
M 12 x1.5 6H 11.026 11.216 6g 10.994 10.854
M 12 x1.25 6H 11.188 11.368 6g 11.160 11.028
M 12 x1 6H 11.350 11.510 6g 11.324 11.206
M 12 x0.75 6H 11.513 11.653 6g 11.491 11.385
M 12 x0.5 6H 11.675 11.793 6g 11.655 11.565
M 14 (x2) 6H 12.701 12.913 6g 12.663 12.503
M 16 (x2) 6H 14.701 14.913 6g 14.663 14.503
M 18 (x2.5) 6H 16.376 16.600 6g 16.334 16.164
M 20 (x2.5) 6H 18.376 18.600 6g 18.334 18.164
M 22 (x2.5) 6H 20.376 20.600 6g 20.334 20.164
M 24 (x3) 6H 22.051 22.316 6g 22.003 21.803
M 24 x2 6H 22.701 22.925 6g 22.663 22.493
M 24 x1.5 6H 23.026 23.226 6g 22.994 22.844
M 24 x1 6H 23.350 23.520 6g 23.324 23.199
M 27 (x3) 6H 25.051 25.316 6g 25.003 24.803
M 30 (x3.5) 6H 27.727 28.007 6g 27.674 27.462
M 33 (x3.5) 6H 30.727 31.007 6g 30.674 30.462
M 36 (x4) 6H 33.402 33.702 6g 33.342 33.118
M 39 (x4) 6H 36.402 36.702 6g 36.342 36.118
M 42 (x4.5) 6H 39.077 39.392 6g 39.014 38.778
M 45 (x4.5) 6H 42.077 42.392 6g 42.014 41.778
M 48 (x5) 6H 44.752 45.087 6g 44.681 44.431
M 48 x4 6H 45.402 45.717 6g 45.342 45.106
M 48 x3 6H 46.051 46.331 6g 46.003 45.791
M 48 x2 6H 46.701 46.937 6g 46.663 46.483
M 48 1.5 6H 47.026 47.238 6g 46.994 46.834
M 48 x1 6H 47.350 47.530 6g 47.324 47.184
M 52 (x5) 6H 48.752 49.087 6g 48.681 48.431
M 56 (x5.5) 6H 52.428 52.783 6g 52.353 52.088
M 60 (x5.5) 6H 56.428 56.783 6g 56.353 56.088
M 64 (x6) 6H 60.103 60.478 6g 60.023 59.743
M 68 (x6) 6H 64.103 64.478 6g 64.023 63.743

Other diameter/pitch combinations
The nominal and tolerance values of other metric ISO threads not listed in this chart can easily be established for threads of the
same pitch by the addition or subtraction of the difference in the nominal diameter: E.G. the nominal and tolerance values for an
MF11 x 0.5 thread are obtained by simply adding 5 mm to the values for the thread MF6 x 0.5. However, this rule only applies within
the following diameter ranges:

over 0.99 to 1.4 mm over 5.6 to 11.2 mm over 45 to 90 mm
over 1.4 to 2.8 mm over 11.2 to 22.4 mm over 90 to 180 mm
over 2.8 to 5.6 mm over 22.4 to 45.0 mm over 180 to 355 mm

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