Iso Bore Tolerance Chart

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ISO Bore Tolerance Chart
For bore tolerance system, Nominal sizes from 1 - 160mm DIN 7160 (8.65)
Tolerance Zones
Nominal
Tolerance Zones
dimension
over
to
U7
S7
R7
P7
P9
N7
N9
M7
K7
J7
JS9
H7
H8 H11 G7
F7
F8
E8
E9 D10
deviations in µm
1
3
-18
-14
-10
-6
-6
-4
-4
-2
0
+4
+12.5 +10
+14
+60
+12
+16
+20
+28
+39
+60
-28
-24
-20
-16
-31
-14
-29
-12
-10
-6
-12.5
0
0
0
+2
+6
+6
+14
+14
+20
3
6
-19
-15
-11
-8
-12
-4
0
0
+3
+6
+15
+12
+18
+75
+16
+22
+28
+38
+50
+78
-31
-27
-23
-20
-42
-16
-30
-12
-9
-6
-15
0
0
0
+4
+10
+10
+20
+20
+30
6
10
-22
-17
-13
-9
-15
-4
0
0
+5
+8
+18
+15
+22
+90
+20
+28
+35
+47
+61
+98
-37
-32
-28
-24
-51
-19
-36
-15
-10
-7
-18
0
0
0
+5
+13
+13
+25
+25
+40
10
18
-26
-21
-16
-11
-18
-5
0
0
+6
+10 +21.5 +18
+27 +110 +24
+34
+43
+59
+75 +120
-44
-39
-34
-29
-61
-23
-43
-18
-12
-8
-21.5
0
0
0
+6
+16
+16
+32
+32
+50
18
24
-33
-27
-20
-14
-22
-7
0
0
+6
+12
+26
+21
+33 +130 +28
+41
+53
+73
+92 +149
-54
-48
-41
-35
-74
-28
-52
-21
-15
-9
-26
0
0
0
+7
+20
+20
+40
+40
+65
24
30
-40
-27
-20
-14
-22
-7
0
0
+6
+12
+26
+21
+33 +130 +28
+41
+53
+73
+92 +149
-61
-48
-41
-35
-74
-28
-52
-21
-15
-9
-26
0
0
0
+7
+20
+20
+40
+40
+65
30
40
-51
-34
-25
-17
-26
-8
0
0
+7
+14
+31
+25
+39 +160 +34
+50
+64
+89 +112 +180
-76
-59
-50
-42
-88
-33
-62
-25
-18
-11
-31
0
0
0
+9
+25
+25
+50
+50
+80
40
50
-61
-34
-25
-17
-26
-8
0
0
+7
+14
+31
+25
+39 +160 +34
+50
+64
+89 +112 +180
-86
-59
-50
-42
-88
-33
-62
-25
-18
-11
-31
0
0
0
+9
+25
+25
+50
+50
+80
50
65
-76
-42
-30
-21
-32
-9
0
0
+9
+18
+37
+30
+46 +190 +40
+60
+76 +106 +134 +220
-106 -75
-60
-51
-106
-39
-74
-30
-21
-12
-37
0
0
0
+10
+30
+30
+60
+60 +100
65
80
-91
-48
-32
-21
-32
-9
0
0
+9
+18
+37
+30
+46 +190 +40
+60
+76 +106 +134 +220
-121 -78
-62
-51
-106
-39
-74
-30
-21
-12
-37
0
0
0
+10
+30
+30
+60
+60 +100
80
100
-111
-58
-38
-24
-37
-10
0
0
+10
+22 +43.5 +35
+54 +220 +47
+71
+90 +126 +159 +260
-146
-93
-73
-59
-124
-45
-87
-35
-25
-13
-43.5
0
0
0
+12
+36
+36
+72
+72 +120
100
120
-133
-66
-41
-24
-37
-10
0
0
+10
+22 +43.5 +35
+54 +220 +47
+71
+90 +126 +159 +260
-166 -101
-76
-59
-124
-45
-87
-35
-25
-13
-43.5
0
0
0
+12
+36
+36
+72
+72 +120
120
140
-155
-77
-48
-28
-43
-12
0
0
+12
+26
+50
+40
+63 +250 +54
+83 +106 +148 +185 +305
-195 -117
-88
-68
-143
-52
-100
-40
-28
-14
-50
0
0
0
+14
+43
+43
+85
+85 +145
140
160
-175
-85
-50
-28
-43
-12
0
0
+12
+26
+50
+40
+63 +250 +54
+83 +106 +148 +185 +305
-215 -125
-90
-68
-143
-52
-100
-40
-28
-14
-50
0
0
0
+14
+43
+43
+85
+85 +145

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