ISO Tolerances

ISO Tolerances for Holes(ISO 286-2)- 3mm to 400 mm

Nominal hole sizes (mm)
over 3 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355
inc. 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400
micrometres (10 -6m)
E6 +28
+20		 +34
+25		 +43
+32 		+53
+40		 +66
+50		 +79
+ 60		 +94
+72		 +110
+85		 +129
+100		 +142
+110		 +161
+125
E7 +32
+20		 +40
+25		 +50
+32 		+61
+40		 +75
+50		 +90
+ 60		 +107
+72		 +125
+85		 +146
+100		 +162
+110		 +185
+125
E11 +95
+20		 +115
+25		 +142
+32 		+170
+40		 +210
+50		 +250
+ 60		 +292
+72		 +335
+85		 +390
+100		 +430
+110		 +485
+125
E12 +140
+20		 +175
+25		 +212
+32 		+250
+40		 +300
+50		 +360
+ 60		 +422
+72		 +485
+85		 +560
+100		 +630
+110		 +695
+125
E13 +200
+20		 +245
+25		 +302
+32 		+370
+40		 +440
+50		 +520
+ 60		 +612
+72		 +715
+85		 +820
+100		 +920
+110		 +1 015
+125
F6 +18
+10		 +22
+13		 +27
+16 		+33
+20		 +41
+25		 +49
+ 30		 +58
+36		 +68
43		 +79
+50		 +88
+56		 +98
+62
F7 +22
+10		 +28
+13		 +34
+16 		+41
+20		 +50
+25		 +60
+ 30		 +71
+36		 +83
43		 +96
+50		 +108
+56		 +119
+62
F8 +28
+10		 +35
+13		 +43
+16 		+53
+20		 +64
+25		 +76
+ 30		 +90
+36		 +106
43		 +122
+50		 +137
+56		 +151
+62
G6 +12
+4		 +14
+5		 +17
+6 		+20
+7 		+25
+9		 +29
+10		 +34
+ 12		 +39
+14		 +44
+15		 +49
+17		 +54
+18
G7 +16
+4		 +20
+5		 +24
+6 		+28
+7		 +34
+9		 +40
+10		 +47
+ 12		 +54
+14		 +61
+15		 +69
+17		 +75
+18
G8 +22
+4		 +27
+5		 +33
+6 		+40
+7		 +48
+9		 +56
+10		 +66
+ 12		 +77
+14		 +87
+15		 +98
+17		 +107
+18
H6 +8
0		 +9
0		 +11
0 		+13
0 		+16
0		 +19
0		 +22
0		 +25
0		 +29
0		 +32
0		 +36
0
H7 +12
0		 +15
0		 +18
0 		+21
0 		+25
0		 +30
0		 +35
0		 +40
0		 +46
0		 +52
0		 +57
0
H8 +18
0		 +22
0		 +27
0 		+33
0 		+39
0		 +46
0		 +54
0		 +63
0		 +72
0		 +81
0		 +89
0
H9 +30
0		 +36
0		 +43
0 		+52
0 		+62
0		 +74
0		 +87
0		 +100
0		 +115
0		 +130
0		 +140
0
H10 +48
0		 +58
0		 +70
0 		+84
0 		+100
0		 +120
0		 +140
0		 +160
0		 +185
0		 +210
0		 +230
0
H11 +75
0		 +90
0		 +110
0 		+130
0 		+160
0		 +190
0		 +220
0		 +250
0		 +290
0		 +320
0		 +360
0
J6 +5
-3		 +5
-4		 +6
-5 		+8
-5 		+10
-6		 +13
-6		 +16
-6		 +18
-7		 +22
-7		 +25
-7		 +29
-7
J7 +6
-6		 +8
-7		 +10
-8 		+12
-9 		+14
-11		 +18
-12		 +22
-13		 +26
-14		 +30
-16		 +36
-16		 +39
-18
J8 +10
-8		 +12
-10		 +15
-12 		+20
-13 		+24
-15		 +28
-18		 +34
-20		 +41
-22		 +47
-25		 +55
-26		 +60
-29
JS6 +4
-4		 +4.5
-4.5		 +5.5
-5.5 		+6.5
-6.5 		+8
-8		 +9.5
-9.5		 +11
-11		 +12.5
-12.5		 +14.5
-14.5		 +16
-16		 +18
-18
JS7 +6
-6		 +7.5
-7.5		 +9
-9 		+10.5
-10.5 		+12.5
-12.5		 +15
-15		 +17.5
-17.5		 +20
-20		 +23
-23		 +26
-26		 +28.5
-28.5
JS8 +9
-9		 +11
-11		 +13.5
-13.5 		+16.5
-16.5 		+19.5
-19.5		 +23
-23		 +27
-27		 +31.5
-31.5		 +36
-36		 +40.5
-40.5		 +44.5
-44.5
K6 +2
-6		 +2
-7		 +2
-9 		+2
-11 		+3
-13		 +4
-15		 +4
-18		 +4
-21		 +5
-24		 +5
-27		 +7
-29
K7 +3
-9		 +5
-10		 +6
-12 		+6
-15 		+7
-18		 +9
-21		 +10
-25		 +12
-28		 +13
-33		 +16
-36		 +17
-40
K8 +5
-13		 +6
-16		 +8
-19 		+10
-23 		+12
-27		 +14
-32		 +16
-38		 +20
-43		 +22
-50		 +25
-56		 +28
-61
M6 -1
-9		 -3
-12		 -4
-15 		-4
-17 		-4
-20		 -5
-24		 -6
-28		 -8
-33		 -8
-37		 -9
-41		 -10
-46
M7 0
-12		 0
-15		 0
-18 		0
-21 		0
-25		 0
-30		 0
-35		 0
-40		 0
-46		 0
-52		 0
-57
M8 +2
-16		 +1
-21		 +2
-25 		+4
-29 		+5
-34		 +5
-41		 +6
-48		 +8
-55		 +9
-63		 +9
-72		 +11
-78
N6 -5
-13		 -7
-16		 -9
-20 		-11
-24 		-12
-28		 -14
-33		 -16
-38		 -20
-45		 -22
-51		 -25
-57		 -26
-62
N7 -4
-16		 -4
-19		 -5
-23 		-7
-28 		-8
-33		 -9
-39		 -10
-45		 -12
-52		 -14
-60		 -14
-66		 -16
-73
N8 -2
-20		 -3
-25		 -3
-30 		-3
-36 		-3
-42		 -4
-50		 -4
-58		 -4
-67		 -5
-77		 -5
-86		 -5
-94
P6 -9
-17		 -12
-21		 -15
-26 		-18
-31 		-21
-37		 -26
-45		 -30
-52		 -36
-61		 -41
-70		 -47
-79		 -51
-87
P7 -8
-20		 -9
-24		 -11
-29 		-14
-35 		-17
-42		 -21
-51		 -24
-59		 -28
-68		 -33
-79		 -36
-88		 -41
-98
P8 -12
-30		 -15
-37		 -18
-45 		-22
-55 		-26
-65		 -32
-78		 -37
-91		 -43
-106		 -50
-122		 -56
-137		 -62
-151
R6 -12
-20		 -16
-25		 -20
-31		 -24
-37 		-29
-45 		-35
-54		 -37
-56		 -44
-66		 -47
-69		 -56
-81		 -58
-83		 -61
-86		 -68
-97		 -71
-100		 -75
-104		 -85
-117		 -89
-121		 -97
-133		 -103
-139
R7 -11
-23		 -13
-28		 -16
-34		 -20
-41 		-25
-50 		-30
-60		 -32
-62		 -38
-73		 -41
-76		 -48
-88		 -50
-90		 -53
-93		 -60
-106		 -63
-109		 -67
-113		 -74
-126		 -78
-130		 -87
-144		 -93
-150
micrometres
over 3 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355
inc. 6 10 18 30 40 50 65 80 100 120 140 160 180 200 225 250 280 315 355 400
Nominal hole sizes (mm)
ISO Tolerances

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