- Tolerance Tables -

Specified Tolerances

Imperial
Nominal
Sizes
inch
SHAFTS
(outside diammeters)
units 0.001 inch
BORES
(inside diameters)
units 0.001 inch
over to e9 f8 f9 h8 h9 h10 h11 js10 js11 H8 H9 H10 H11 Js11
0.04 0.12 -0.6
-1.6
-0.3
-0.9
-0.3
-1.2
0
-0.6
0
-1.0
0
-1.6
0
-2.5
+0.8
-0.8
+1.3
-1.3
+0.6
0
+1.0
0
+1.6
0
+2.5
0
+1.3
-1.3
0.12 0.24 -0.8
-2.0
-0.4
-1.1
-0.4
-1.6
0
-0.7
0
-1.2
0
-1.8
0
-3.0
+0.9
-0.9
+1.5
-1.5
+0.7
0
+1.2
0
+1.8
0
+3.0
0
+1.5
-1.5
0.24 0.40 -1.0
-2.4
-0.5
-1.4
-0.5
-1.9
0
-0.9
0
-1.4
0
-2.2
0
-3.5
+1.1
-1.1
+1.8
-1.8
+0.9
0
+1.4
0
+2.2
0
+3.5
0
+1.8
-1.8
0.40 0.71 -1.2
-2.8
-0.6
-1.6
-0.6
-2.3
0
-1.0
0
-1.6
0
-2.8
0
-4.0
+1.4
-1.4
+2.0
-2.0
+1.0
0
+1.6
0
+2.8
0
+4.0
0
+2.0
-2.0
0.71 1.19 -1.6
-2.8
-0.8
-2.0
-0.8
-2.8
0
-1.2
0
-2.0
0
-3.5
0
-5.0
+1.8
-1.8
+2.5
-2.5
+1.2
0
+2.0
0
+3.5
0
+5.0
0
+2.5
-2.5
1.19 1.97 -2.0
-4.5
-1.0
-2.6
-1.0
-3.4
0
-1.6
0
-2.5
0
-4.0
0
-6.0
+2.0
-2.0
+3.0
-3.0
+1.6
0
+2.5
0
+4.0
0
+6.0
0
+3.0
-3.0
1.97 3.15 -2.5
-5.5
-1.2
-3.0
-1.2
-4.1
0
-1.8
0
-3.0
0
-4.5
0
-7.0
+2.3
-2.3
+3.5
-3.5
+1.8
0
+3.0
0
+4.5
0
+7.0
0
+3.5
-3.5
3.15 4.73 -3.0
-6.5
-1.4
-3.6
-1.4
-4.8
0
-2.2
0
-3.5
0
-5.0
0
-9.0
+2.5
-2.5
+4.5
-4.5
+2.2
0
+3.5
0
+5.0
0
+9.0
0
+4.5
-4.5
4.73 7.09 -3.5
-7.5
-1.6
-4.1
-1.6
-5.6
0
-2.5
0
-4.0
0
-6.0
0
-10.0
+3.0
-3.0
+5.0
-5.0
+2.5
0
+4.0
0
+6.0
0
+10.0
0
+5.0
-5.0
7.09 9.85 -4.0
-8.5
-2.0
-4.8
-2.0
-6.5
0
-2.8
0
-4.5
0
-7.0
0
-12.0
+3.5
-3.5
+6.0
-6.0
+2.8
0
+4.5
0
+7.0
0
+12.0
0
+6.0
-6.0
9.85 12.41 -4.5
-9.5
-2.2
-5.2
-2.2
-7
0
-3.0
0
-5.0
0
-8.0
0
-12.0
+4.0
-4.0
+6.0
-6.0
+3.0
0
+5.0
0
+8.0
0
+12.0
0
+6.0
-6.0
Tolerances estracted from BS1916 with kind permission of British Standards Institution

Metric
Nominal
Sizes
mm
SHAFTS
(outside diammeters)
units 0.001 mm
BORES
(inside diameters)
units 0.001 mm
over to e9 f8 f9 h8 h9 h10 h11 js10 js11 H8 H9 H10 H11 Js11
1.6 3 -14
-39
-6
-20
-6
-31
0
-14
0
-25
0
-40
0
-60
+20
-20
+30
-30
+14
0
+25
0
+40
0
+60
0
+30
-30
3 6 -20
-50
-10
-28
-10
-40
0
-18
0
-30
0
-48
0
-75
+24
-24
+37.5
-37.5
+18
0
+30
0
+48
0
+75
0
+37.5
-37.5
6 10 -25
-61
-13
-35
-13
-49
0
-22
0
-36
0
-58
0
-90
+29
-29
+45
-45
+22
0
+36
0
+58
0
+90
0
+45
-45
10 18 -32
-75
-16
-43
-16
-59
0
-27
0
-43
0
-70
0
-110
+35
-35
+55
-55
+27
0
+43
0
+70
0
+110
0
+55
-55
18 30 -40
-92
-20
-53
-20
-72
0
-33
0
-52
0
-84
0
-130
+42
-42
+65
-65
+33
0
+52
0
+84
0
+130
0
+65
-65
30 50 -50
-112
-25
-64
-25
-87
0
-39
0
-62
0
-100
0
-160
+50
-50
+80
-80
+39
0
+62
0
+100
0
+160
0
+80
-80
50 80 -60
-134
-30
-76
-30
-104
0
-46
0
-74
0
-120
0
-190
+60
-60
+95
-95
+46
0
+74
0
+120
0
+190
0
+95
-95
80 120 -72
-159
-36
-90
-36
-123
0
-54
0
-87
0
-140
0
-220
+70
-70
+110
-110
+54
0
+87
0
+140
0
+220
0
+110
-110
120 180 -85
-185
-43
-106
-43
-143
0
-63
0
-100
0
-160
0
-250
+80
-80
+125
-125
+63
0
+100
0
+160
0
+250
0
+125
-125
180 250 -100
-215
-50
-122
-50
-165
0
-72
0
-115
0
-185
0
-290
+92
-92
+145
-145
+72
0
+115
0
+185
0
+290
0
+145
-145
250 315 -110
-215
-56
-137
-56
-186
0
-81
0
-130
0
-210
0
-320
+105
-105
+160
-160
+81
0
+130
0
+210
0
+320
0
+160
-160
315 400 -125
-265
-62
-212
-62
-212
0
-89
0
-140
0
-230
0
-360
+115
-115
+180
-180
+89
0
+140
0
+230
0
+360
0
+180
-180
Tolerances estracted from BS4500 (ISO286) with kind permission of British Standards Institution.
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