DIN 3967 deviation tolerance series

Symbol -
Unit -
Attribute-ID backlash allowance and tolerance sequence
Numeric ID 775
Value Type PMString

Entries are made according to the deviation and tolerance rows in DIN 3967 Tables 1 and 2.

Table 1 Upper Deviation of Tooth Thickness Asne in μm
Reference diameter in mm Deviation series
From to a ab b bc c cd d e f g h
- 10 - 100 - 85 - 70 - 58 - 48 - 40 - 33 - 22 -10 - 5 0
10 50 - 135 - 110 - 95 - 75 - 65 - 54 - 44 - 30 - 14 - 7 0
50 125 - 180 - 150 - 125 - 105 - 85 - 70 - 60 - 40 - 19 - 9 0
125 280 - 250 - 200 - 170 - 140 - 115 - 95 - 80 - 56 - 26 - 12 0
280 560 - 330 - 280 - 230 - 190 - 155 - 130 - 110 - 75 - 35 - 17 0
560 1000 - 450 - 370 - 310 - 260 - 210 - 175 - 145 - 100 - 48 - 22 0
1000 1600 - 600 - 500 - 420 - 340 - 290 - 240 - 200 - 135 - 64 - 30 0
1600 2500 - 820 - 680 - 560 - 460 - 390 - 320 - 270 - 180 - 85 - 41 0
2500 4000 - 1100 - 920 - 760 - 620 - 520 - 430 - 360 - 250 - 115 - 56 0
4000 6300 - 1500 - 1250 - 1020 - 840 - 700 - 580 - 480 - 330 - 155 - 75 0
6300 10000 - 2000 - 1650 - 1350 - 1150 - 940 - 780 - 640 - 450 - 210 - 100 0
Table 2 Tooth Thickness Tolerances Tsn in μm
Reference diameter in mm Tolerance series
From to 21 22 23 24 25 26 27 28 28 30
- 10 3 5 8 12 20 30 50 80 130 200
10 50 5 8 12 20 30 50 80 130 200 300
50 125 6 10 16 25 40 60 100 160 250 400
125 280 8 12 20 30 50 80 130 200 300 500
280 560 10 16 25 40 60 100 160 250 400 600
560 1000 12 20 30 50 80 130 200 300 500 800
1000 1600 16 25 40 60 100 160 250 400 600 1000
1600 2500 20 30 50 80 130 200 300 500 800 1300
2500 4000 25 40 60 100 160 250 400 600 1000 1600
4000 6300 30 50 80 130 200 300 500 800 1300 2000
6300 10000 40 60 100 160 250 400 600 1000 1600 2400

The deviation series must be entered followed by the tolerance series in the Editor (e.g. c22).