ISO Tolerances for Shafts (ISO 286-2)
Nominal Shaft 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 | ||||||||||||||||||||
Grade | All limits below with + sign | |||||||||||||||||||
a12 | -270 -390 |
-280 -430 |
-290 -470 |
-300 -510 |
-310 -560 |
-320 -570 |
-340 -640 |
-360 -660 |
-380 -730 |
-410 -760 |
-460 -860 |
-520 -920 |
-580 -980 |
-660 -1120 |
-740 -1200 |
-820 -1280 |
-920 -1440 |
-1050 -1570 |
-1200 -1770 |
-1350 -1920 |
d6 | -30 -38 |
-40 -49 |
-50 -61 |
-65 -78 |
-80 -96 |
-100 -119 |
-120 -142 |
-145 -170 |
-170 -199 |
-190 -222 |
-210 -246 |
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e6 | -20 -28 |
-25 -34 |
-32 -43 |
-40 -53 |
-50 -66 |
-60 -79 |
-72 -94 |
-85 -110 |
-100 -129 |
-110 -142 |
-125 -161 |
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e13 | -20 -200 |
-25 -245 |
-32 -302 |
-40 -370 |
-50 -440 |
-60 -520 |
-72 -612 |
-85 -715 |
-100 -820 |
-110 -920 |
-125 -1015 |
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f5 | -10 -15 |
-13 -19 |
-16 -24 |
-20 -29 |
-25 -36 |
-30 -43 |
-36 -51 |
-43 -61 |
-50 -70 |
-56 -79 |
-62 -87 |
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f6 | -10 -18 |
-13 -22 |
-16 -27 |
-20 -33 |
-25 -41 |
-30 -49 |
-36 -58 |
-43 -68 |
-50 -79 |
-56 -88 |
-62 -98 |
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f7 | -10 -22 |
-13 -28 |
-16 -34 |
-20 -41 |
-25 -50 |
-30 -60 |
-36 -71 |
-43 -83 |
-50 -96 |
-56 -108 |
-62 -119 |
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g5 | -4 -9 |
-5 -11 |
-6 -14 |
-7 -16 |
-9 -20 |
-10 -23 |
-12 -27 |
-14 -32 |
-15 -35 |
-17 -40 |
-18 -43 |
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g6 | -4 -12 |
-5 -14 |
-6 -17 |
-7 -20 |
-9 -25 |
-10 -29 |
-12 -34 |
-14 -39 |
-15 -44 |
-17 -49 |
-18 -54 |
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g7 | -4 -16 |
-5 -20 |
-6 -24 |
-7 -28 |
-9 -34 |
-10 -40 |
-12 -47 |
-14 -54 |
-15 -61 |
-17 -69 |
-18 -75 |
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h4 | 0 -4 |
0 -4 |
0 -5 |
0 -6 |
0 -7 |
0 -8 |
0 -10 |
0 -12 |
0 -14 |
0 -16 |
0 -18 |
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h5 | 0 -5 |
0 -6 |
0 -8 |
0 -9 |
0 -11 |
0 -13 |
0 -15 |
0 -18 |
0 -20 |
0 -23 |
0 -25 |
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h6 | 0 -8 |
0 -9 |
0 -11 |
0 -13 |
0 -16 |
0 -19 |
0 -22 |
0 -25 |
0 -29 |
0 -32 |
0 -36 |
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h7 | 0 -12 |
0 -15 |
0 -18 |
0 -21 |
0 -25 |
0 -30 |
0 -35 |
0 -40 |
0 -46 |
0 -52 |
0 -57 |
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h8 | 0 -18 |
0 -22 |
0 -27 |
0 -33 |
0 -39 |
0 -46 |
0 -54 |
0 -63 |
0 -72 |
0 -81 |
0 -89 |
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h9 | 0 -30 |
0 -36 |
0 -43 |
0 -52 |
0 -62 |
0 -74 |
0 -87 |
0 -100 |
0 -115 |
0 -130 |
0 -140 |
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h10 | 0 -48 |
0 -58 |
0 -70 |
0 -84 |
0 -100 |
0 -120 |
0 -140 |
0 -160 |
0 -185 |
0 -210 |
0 -230 |
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h11 | 0 -75 |
0 -90 |
0 -110 |
0 -130 |
0 -160 |
0 -190 |
0 -220 |
0 -250 |
0 -290 |
0 -320 |
0 -360 |
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h12 | 0 -120 |
0 -150 |
0 -180 |
0 -210 |
0 -250 |
0 -300 |
0 -350 |
0 -400 |
0 -460 |
0 -520 |
0 -570 |
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j5 | +3 -2 |
+4 -2 |
+5 -3 |
+5 -4 |
+6 -5 |
+6 -7 |
+6 -9 |
+7 -11 |
+7 -13 |
+7 -16 |
+7 -18 |
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j6 | +6 -2 |
+7 -2 |
+8 -3 |
+9 -4 |
+11 -5 |
+12 -7 |
+13 -9 |
+14 -11 |
+16 -13 |
+16 -16 |
+18 -18 |
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j7 | +8 -4 |
+10 -5 |
+12 -6 |
+13 -8 |
+15 -10 |
+18 -12 |
+20 -15 |
+22 -18 |
+25 -21 |
+26 -26 |
+29 -28 |
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js5 | +2.5 -2.5 |
+3 -3 |
+4 -4 |
+4.5 -4.5 |
+5.5 -5.5 |
+6.5 -6.5 |
+7.5 -7.5 |
+9 -9 |
+10 -10 |
+11.5 -11.5 |
+12.5 -12.5 |
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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 |
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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 |
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k5 | +6 +1 |
+7 +1 |
+9 +1 |
+11 +2 |
+13 +2 |
+15 +2 |
+18 +3 |
+21 +3 |
+24 +4 |
+27 +4 |
+29 +4 |
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k6 | +9 +1 |
+10 +1 |
+12 +1 |
+15 +2 |
+18 +2 |
+21 +2 |
+25 +3 |
+28 +3 |
+33 +4 |
+36 +4 |
+40 +4 |
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k7 | +13 +1 |
+16 +1 |
+19 +1 |
+23 +2 |
+27 +2 |
+32 +2 |
+38 +3 |
+43 +3 |
+50 +4 |
+56 +4 |
+61 +4 |
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m5 | +9 +4 |
+12 +6 |
+15 +7 |
+17 +8 |
+20 +9 |
+24 +11 |
+28 +13 |
+33 +15 |
+37 +17 |
+43 +20 |
+46 +21 |
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m6 | +12 +4 |
+15 +6 |
+18 +7 |
+21 +8 |
+25 +9 |
+30 +11 |
+35 +13 |
+40 +15 |
+46 +17 |
+52 +20 |
+57 +21 |
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m7 | +16 +4 |
+21 +6 |
+25 +7 |
+29 +8 |
+34 +9 |
+41 +11 |
+48 +13 |
+55 +15 |
+63 +17 |
+72 +20 |
+78 +21 |
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n5 | +13 +8 |
+16 +10 |
+20 +12 |
+24 +15 |
+28 +17 |
+33 +20 |
+38 +23 |
+45 +27 |
+51 +31 |
+57 +34 |
+62 +37 |
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n6 | +16 +8 |
+19 +10 |
+23 +12 |
+28 +15 |
+33 +17 |
+39 +20 |
+45 +23 |
+52 +27 |
+60 +31 |
+66 +34 |
+73 +37 |
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n7 | +20 +8 |
+25 +10 |
+30 +12 |
+36 +15 |
+42 +17 |
+50 +20 |
+58 +23 |
+67 +27 |
+77 +31 |
+86 +34 |
+94 +37 |
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p5 | +17 +12 |
+21 +15 |
+26 +18 |
+31 +22 |
+37 +26 |
+45 +32 |
+52 +37 |
+61 +43 |
+70 +50 |
+79 +56 |
+87 +62 |
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p6 | +20 +12 |
+24 +15 |
+29 +18 |
+35 +22 |
+42 +26 |
+51 +32 |
+59 +37 |
+68 +43 |
+79 +50 |
+88 +56 |
+98 +62 |
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r6 | +23 +15 |
+28 +19 |
+34 +23 |
+41 +28 |
+50 +34 |
+60 +41 |
+62 +43 |
+73 +51 |
+76 +54 |
+88 +63 |
+90 +65 |
+93 +68 |
+106 +77 |
+109 +80 |
+113 +84 |
+126 +94 |
+130 +98 |
+144 +108 |
+150 +114 |
|
Nominal Shaft 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 |