Technical Reference
280
Tables for Determining Metric Tolerances
UNITS IN mm TOLERANCES FOR INSIDE DIMENSIONS (HOLES) (UNITS IN 0.001mm) OVER TO A11 B8 B11 C11 D9 D10 D11 E8 E9 F6 F7 F8 G6 G7 H5 H6 H7 H8 H9 H10 Table 6: Tolerances for Inside Dimensions (Holes) Table 6 details tolerances for inside dimensions (holes) based relative to the tolerance symbol. Upper and lower values are provided as either positive or negative (or zero) values relative to the nominal size chosen. Pick the range in which the desired nominal value falls, and then either add or subtract the tolerances to find the upper and lower tolerance range for the desired nominal size.
— —
— —
— — +120 +60
0
1
+45 +20
+60 +20
+80 +20
+28 +14
+39 +14
+12 +6
+16 +6
+20 +6
+8 +2
+12 +2
+4 0
+6 0
+10 0
+14 0
+25 0
+40 0
+330 +270 +345 +270 +370 +280
+154 +140 +158 +140 +172 +150 +177 +150 +193 +160 +209 +170 +219 +180 +236 +190 +246 +200 +274 +220 +294 +240 +323 +260 +343 +280 +373 +310 +412 +340 +452 +380 +492 +420 +561 +480 +621 +540 +689 +600 +769 +680 +857 +760 +937 +840
+200 +140 +215 +140 +240 +150 +260 +150 +290 +160 +330 +170 +340 +180 +380 +190 +390 +200 +440 +220 +460 +240 +510 +260 +530 +280 +560 +310 +630 +340 +670 +380 +710 +420 +800 +480 +860 +540 +960 +600
1
3
+145 +70 +170 +80 +205 +95
+60 +30 +76 +40 +93 +50
+78 +30 +98 +40
+105 +30 +130 +40 +160 +50
+38 +20 +47 +25 +59 +32
+50 +20 +61 +25 +75 +32
+18 +10 +22 +13 +27 +16
+22 +10 +28 +13 +34 +16
+28 +10 +35 +13 +43 +16
+12 +4 +14 +5 +17 +6
+16 +4 +20 +5 +24 +6
+5 0 +6 0 +8 0
+8 0 +9 0
+12 0 +15 0 +18 0
+18 0 +22 0 +27 0
+30 0 +36 0 +43 0
+48 0 +58 0 +70 0
3
6
6
10
10 14 +400 +290 14 18 18 24 +430 +300 24 30
+120 +50
+11 0
+240 +110
+117 +65
+149 +65
+195 +65
+73 +40
+92 +40
+33 +20
+41 +20
+53 +20
+20 +7
+28 +7
+9 0
+13 0
+21 0
+33 0
+52 0
+84 0
+470 +310 +480 +320 +530 +340 +550 +360 +600 +380 +630 +410 +710 +460 +770 +520 +830 +580 +950 +660
+280 +120 +142 +80
30 40
+180 +80
+240 +80
+89 +50
+112 +50
+41 +25
+50 +25
+64 +25
+25 +9
+34 +9
+11 0
+16 0
+25 0
+39 0
+62 0
+100 0
+290 +130
40 50
+330 +140 +174 +100
50 65
+220 +100
+290 +100
+106 +60
+134 +60
+49 +30
+60 +30
+76 +30
+29 +10
+40 +10
+13 0
+19 0
+30 0
+46 0
+74 0
+120 0
+340 +150
65 80
+390 +170 +207 +120
80 100
+260 +120
+340 +120
+126 +72
+159 +72
+58 +36
+71 +36
+90 +36
+34 +12
+47 +12
+15 0
+22 0
+35 0
+54 0
+87 0
+140 0
+400 +180 +450 +200 +460 +210 +480 +230 +530 +240 +550 +260 +570 +280
100 120
120 140
+245 +145
+305 +145
+395 +145
+148 +85
+185 +85
+68 +43
+83 +43
+106 +43
+39 +14
+54 +14
+18 0
+25 0
+40 0
+63 0
+100 0
+160 0
140 160
160 180
180 200
+1030 +740 +1110 +820 +1240 +920 +1370 +1050 +1560 +1200 +1710 +1350 +1900 +1500 +2050 +1650
+285 +170
+355 +170
+460 +170
+172 +100
+215 +100
+79 +50
+96 +50
+122 +50
+44 +15
+61 +15
+20 0
+29 0
+46 0
+72 0
+115 0
+185 0
200 225
225 250
+620 +300 +320 +190
250 280
+400 +190
+510 +190
+191 +110
+240 +110
+88 +56
+108 +56
+137 +56
+49 +17
+69 +17
+23 0
+32 0
+52 0
+81 0
+130 0
+210 0
+650 +330
280 315
+720 +360 +350 +210
315 355
+440 +210
+570 +210
+214 +125
+265 +125
+98 +62
+119 +62
+151 +62
+54 +18
+75 +18
+25 0
+36 0
+57 0
+89 0
+140 0
+230 0
+1040 +680 +1160 +760 +1240 +840
+760 +400
355 400
+840 +440 +385 +230
400 450
+480 +230
+630 +230
+232 +135
+290 +135
+108 +68
+131 +68
+165 +68
+60 +20
+83 +20
+27 0
+40 0
+63 0
+97 0
+155 0
+250 0
+880 +480
450 500
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