ISO Tolerances

ISO Tolerances for Holes(ISO 286-2)- 400mm to 3150 mm

Limits in μm (10-6 m)
Nominal Hole sizes
Over 400 500 630 800 1000 1250 1600 2000 2500
Inclusive 500 630 800 1000 1250 1600 2000 2500 3150
E6 +175
+135		 +189
+ 145		 +210
+160 		+ 226
+170'		 +261
+195		 +298
+220		 +332
+240 		+360
+260		 +420
+290
E7 +198
+135 		+215
+145 		+ 240
+160 		+260
+170'		 +300
+195		 +345
+220 		+390
+240 		+435
+260 		+500
+290
E8 + 232
+135 		+255
+145 		+285
+160		 +310
+170 		+360
+195 		+415
+220 		+470
+240		 +540
+260 		+620
+290
E9 +290
+135 		+320
+145 		+360
+160 		+400
+170 		+455
+195 		+530
+ 220 		+ 610
+240 		+700
+260		 +830
+290
E10 +385
+135 		+425
+145		 +480
+160 		+ 530
+ 170 		+615
+195 		+720
+220 		+840
+240 		+960
+260 		+1150
+290
F6 +108
+68		 +120
+76'		 +130
+80 		+142
+86]'		 +164
+98 		+ 188
+110 		+212
+120 		+240
+130 		+280
+145
F7 +131
+68		 +146
+76'		 + 160
+80 		+ 176
+86]'		 + 203
+98 		+ 235
+110 		+270
+120 		+305
+130 		+355
+145
F8 +165
+68		 + 186
+76'		 +205
+80 		+ 226
+86]'		 +263
+98 		+305
+110 		+350
+120 		+410
+130 		+475
+145
G6 +60
+20		 +66
+22		 +74
+24		 +82
+26		 +94
+28		 +108
+30'		 +124
+32		 +144
+34		 +173
+38
G7 +83
+20		 +92
+22		 + 104
+24		 +116
+26		 +133
+28		 + 155
+30'		 +182
+32		 +209
+34		 +248
+38
G8 +117
+20		 +132
+22		 + 149
+24		 +166
+26		 +193
+28		 +225
+30'		 +262
+32		 +314
+34		 +368
+38
H6 +40
0		 +44
0		 +50
0		 +56
0		 +66
0		 +78
0		 +92
0		 +110
0		 +135
0
H7 +63
0		 +70
0		 + 80
0		 + 90
0		 +105
0		 + 125
0		 +150
0		 +175
0		 +210
0
H8 +97
0		 +110
0		 +125
0		 +140
0		 +165
0		 +195
0		 +230
0		 + 280
0		 +330
0
H9 +155
0		 +175
0		 +200
0		 +230
0		 +260
0		 +310
0		 +370
0		 + 440
0		 +540
0
H10 +250
0		 +280
0		 +320
0		 +360
0		 +420
0		 +500
0		 +600
0		 +700
0		 +860
0
H11 +400
0		 + 440
0		 +500
0		 +560
0		 +660
0		 +780
0		 +920
0		 +1100
0		 +1350
0
JS6 +/-20 +/-22 +/-25 +/-28 +/-33 +/-39 +/-46 +/-55 +/-67,5
JS7 +/-31,5 +/-35 +/-40 +/-45 +/-52,5 +/-62,5 +/-75 +/-87,5 +/-105
JS8 +/-48,5 +/-55 +/-62,5 +/-70 +/-82,5 +/-97,5 +/-115 +/-140 +/-165
K6 +8
-32		 + 0
-44		 + 0
-50		 + 0
- 56'		 + 0
-66		 + 0
-78		 + 0
-92		 + 0
-110		 + 0
-135
K7 +18
-45		 + 0
- 70'		 + 0
-80		 + 0
- 90'		 + 0
-105		 + 0
-125		 + 0
150-		 + 0
175-		 + 0
-210
K8 + 29
-68		 + 0
-110		 + 0
-125		 + 0
-140		 + 0
-165		 + 0
-195		 + 0
-230		 + 0
-280		 + 0
-330
M6 -10
-50		 -26
-70		 -30
-80		 -34
-90		 -40
-106		 -48
-126		 -58
-150		 -68
-178		 -76
-211
M7 0
-63		 -26
-96		 -30
-110		 -34
-124		 -40
-145		 -48
-173		 -58
-208		 -68
-243		 -76
-286
M8 + 11
-86		 -26
-136		 -30
-155		 -34
-174		 -40
-205		 -48
-243		 -58
-288		 -68
-348		 -76
-406
N6 -27
-67		 -44
-88 		-50
-100 		-56
- 112 		-66
-132 		-78
-156 		-92
-184 		-110
- 220 		-135
-270
N7 -17
-80		 -44
-114 		-50
-130 		-56
- 146 		-66
-171 		-78
-203 		-92
-242 		-110
- 285 		-135
-345
N8 -6
-103		 -44
-154 		-50
-175 		-56
- 196 		-66
-231 		-78
-273 		-92
-322 		-110
-390 		-135
-465
P6 -55
-95 		-78
-122 		-88
-138 		-100
-156 		-120
- 186		 -140
-218 		-170
-262 		-195
-305 		-240
-375
P7 -45
-108 		-78
-148 		-88
-168 		-100
- 190		 -120
-225 		-140
-265 		-170
-320 		-195
-370 		-240
-450
P8 -68
-165 		-78
-188 		-88
-213 		-100
-240 		-120
- 285		 -140
335- 		-170
-400 		-195
- 475		 -240
-57
Over 400 500 630 800 1000 1250 1600 2000 2500
Inclusive 500 630 800 1000 1250 1600 2000 2500 3150
Nominal Hole sizes
ISO Tolerances

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