Page 712 - Mastik®

Limits for metric fine threads Metric ISO thread
according to ISO 965

Screws, tolerance 6g Selection series for fine
Thread Length of thread Major diameter Pitch diameter Thread
engagement d (mm) d2 (mm) root radius threads
(mm)
from to max. min. max. min. min. according to ISO 262
M 8x1 3 9 7,974 7,794 7,324 7,212 0,125 Nominal thread
M10x1 3 9 9,974 9,794 9,324 9,212 0,156 diameter Pitch P
M10x1,25 4 12 9,972 9,760 9,160 9,042 0,156 series 1 series 2
M12x1,25 4,5 13 11,972 11,760 11,160 11,028 0,156 8 1
M12x1,5 5,6 16 11,968 11,732 10,994 10,854 0,156 10 1,25 1 1)
M14x1,5 5,6 16 13,968 13,732 12,994 12,854 0,188 12 1,25 1,5 1)
M16x1,5 5,6 16 15,968 15,732 14,994 14,854 0,188 14 1,5
M18x1,5 5,6 16 17,968 17,762 16,994 16,854 0,188 16 1,5
M18x2 8 24 17,952 17,682 16,663 16,503 0,188 18 1,5 2 1)
M20x1,5 5,6 16 19,968 19,732 18,994 18,854 0,188 20 1,5 2 1)
M20x2 8 24 19,962 19,682 18,663 18,503 0,188 22 1,5 2 1)
M22x1,5 5,6 16 21,968 21,732 20,994 20,854 0,188 24 2
M22x2 8 24 21,962 21,682 20,663 20,503 0,188 27 2
M24x2 8,5 25 23,962 23,682 22,663 22,493 0,250 30 2
M27x2 8,5 25 26,962 26,682 25,663 25,483 0,250 33 2
M30x2 8,5 25 29,962 29,682 28,663 28,493 0,250 36 3
M33x2 8,5 25 32,962 32,682 31,663 31,493 0,250 39 3
M36x3 12 36 35,952 35,577 34,003 33,803 0,375
M39x3 12 36 38,952 38,577 37,003 36,803 0,375 1) Not contained in ISO 262–1973

Nuts, tolerance 6H
Thread Length of thread Pitch diameter Minor diameter
engagement D2 (mm) D1 (mm)

from to max. min. max. min.
M 8x1 3 9 7,500 7,350 7,153 6,917
M10x1 3 9 9,500 9,350 9,153 8,917
M10x1,25 4 12 9,348 9,188 8,912 8,647
M12x1,25 4,5 13 11,368 11,188 10,912 10,647
M12x1,5 5,6 16 11,216 11,026 10,676 10,376
M14x1,5 5,6 16 13,216 13,026 12,676 12,376
M16x1,5 5,6 16 15,216 15,026 14,676 14,376
M18x1,5 5,6 16 17,216 17,026 16,676 16,376
M18x2 8 24 16,913 16,701 16,210 15,835
M20x1,5 5,6 16 19,216 19,026 18,676 18,376
M20x2 8 24 18,913 13,701 18,210 17,835
M22x1,5 5,6 16 21,216 21,026 20,676 20,376
M22x2 8 24 20,913 20,701 20,210 19,835
M24x2 8,5 25 22,925 22,701 22,210 21,835
M27x2 8,5 25 25,925 25,701 25,210 24,834
M30x2 8,5 25 28,925 28,701 28,210 27,835
M33x2 8,5 25 31,925 31,701 31,210 30,835
M36x3 12 36 34,316 34,051 33,252 32,752
M39x3 12 36 37,316 37,051 36,252 35,752

Permissible tolerances Dimensions of the head, screw length

for plastic fasteners and thread approximately according
to DIN. Acceptance according to VDI
2544. The tolerances must be observed
Dimension for screw threads for nut threads 24 hours after fabrication, for all other
major Ø e8 2 x G7
tolerances, refer to ISO 4759, part 1,
minor Ø 2 x g8 H7
but with the factor 2. These technical
pitch Ø 2 x g8
recommendations are of a general na-
pitch ± 5%
ture. For more detailed specifications,
please refer to VDI 2544.