| 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 | |||||||||
| e6 | -20 -28 | -25 -34 | -32 -43 | -40 -53 | -50 -66 | -60 -79 | -72 -94 | -85 -110 | -100 -129 | -110 -142 | -125 -161 | |||||||||
| e13 | -20 -200 | -25 -245 | -32 -302 | -40 -370 | -50 -440 | -60 -520 | -72 -612 | -85 -715 | -100 -820 | -110 -920 | -125 -1015 | |||||||||
| f5 | -10 -15 | -13 -19 | -16 -24 | -20 -29 | -25 -36 | -30 -43 | -36 -51 | -43 -61 | -50 -70 | -56 -79 | -62 -87 | |||||||||
| f6 | -10 -18 | -13 -22 | -16 -27 | -20 -33 | -25 -41 | -30 -49 | -36 -58 | -43 -68 | -50 -79 | -56 -88 | -62 -98 | |||||||||
| f7 | -10 -22 | -13 -28 | -16 -34 | -20 -41 | -25 -50 | -30 -60 | -36 -71 | -43 -83 | -50 -96 | -56 -108 | -62 -119 | |||||||||
| g5 | -4 -9 | -5 -11 | -6 -14 | -7 -16 | -9 -20 | -10 -23 | -12 -27 | -14 -32 | -15 -35 | -17 -40 | -18 -43 | |||||||||
| g6 | -4 -12 | -5 -14 | -6 -17 | -7 -20 | -9 -25 | -10 -29 | -12 -34 | -14 -39 | -15 -44 | -17 -49 | -18 -54 | |||||||||
| g7 | -4 -16 | -5 -20 | -6 -24 | -7 -28 | -9 -34 | -10 -40 | -12 -47 | -14 -54 | -15 -61 | -17 -69 | -18 -75 | |||||||||
| h4 | 0 -4 | 0 -4 | 0 -5 | 0 -6 | 0 -7 | 0 -8 | 0 -10 | 0 -12 | 0 -14 | 0 -16 | 0 -18 | |||||||||
| h5 | 0 -5 | 0 -6 | 0 -8 | 0 -9 | 0 -11 | 0 -13 | 0 -15 | 0 -18 | 0 -20 | 0 -23 | 0 -25 | |||||||||
| h6 | 0 -8 | 0 -9 | 0 -11 | 0 -13 | 0 -16 | 0 -19 | 0 -22 | 0 -25 | 0 -29 | 0 -32 | 0 -36 | |||||||||
| h7 | 0 -12 | 0 -15 | 0 -18 | 0 -21 | 0 -25 | 0 -30 | 0 -35 | 0 -40 | 0 -46 | 0 -52 | 0 -57 | |||||||||
| h8 | 0 -18 | 0 -22 | 0 -27 | 0 -33 | 0 -39 | 0 -46 | 0 -54 | 0 -63 | 0 -72 | 0 -81 | 0 -89 | |||||||||
| h10 | 0 -48 | 0 -58 | 0 -70 | 0 -84 | 0 -100 | 0 -120 | 0 -140 | 0 -160 | 0 -185 | 0 -210 | 0 -230 | |||||||||
| h11 | 0 -75 | 0 -90 | 0 -110 | 0 -130 | 0 -160 | 0 -190 | 0 -220 | 0 -250 | 0 -290 | 0 -320 | 0 -360 | |||||||||
| h12 | 0 -120 | 0 -150 | 0 -180 | 0 -210 | 0 -250 | 0 -300 | 0 -350 | 0 -400 | 0 -460 | 0 -520 | 0 -570 | |||||||||
| j5 | +3 -2 | +4 -2 | +5 -3 | +5 -4 | +6 -5 | +6 -7 | +6 -9 | +7 -11 | +7 -13 | +7 -16 | +7 -18 | |||||||||
| j6 | +6 -2 | +7 -2 | +8 -3 | +9 -4 | +11 -5 | +12 -7 | +13 -9 | +14 -11 | +16 -13 | +16 -16 | +18 -18 | |||||||||
| j7 | +8 -4 | +10 -5 | +12 -6 | +13 -8 | +15 -10 | +18 -12 | +20 -15 | +22 -18 | +25 -21 | +26 -26 | +29 -28 | |||||||||
| 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 | |||||||||
| 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 | |||||||||
| k5 | +6 +1 | +7 +1 | +9 +1 | +11 +2 | +13 +2 | +15 +2 | +18 +3 | +21 +3 | +24 +4 | +27 +4 | +29 +4 | |||||||||
| k6 | +9 +1 | +10 +1 | +12 +1 | +15 +2 | +18 +2 | +21 +2 | +25 +3 | +28 +3 | +33 +4 | +36 +4 | +40 +4 | |||||||||
| k7 | +13 +1 | +16 +1 | +19 +1 | +23 +2 | +27 +2 | +32 +2 | +38 +3 | +43 +3 | +50 +4 | +56 +4 | +61 +4 | |||||||||
| m5 | +9 +4 | +12 +6 | +15 +7 | +17 +8 | +20 +9 | +24 +11 | +28 +13 | +33 +15 | +37 +17 | +43 +20 | +46 +21 | |||||||||
| m6 | +12 +4 | +15 +6 | +18 +7 | +21 +8 | +25 +9 | +30 +11 | +35 +13 | +40 +15 | +46 +17 | +52 +20 | +57 +21 | |||||||||
| m7 | +16 +4 | +21 +6 | +25 +7 | +29 +8 | +34 +9 | +41 +11 | +48 +13 | +55 +15 | +63 +17 | +72 +20 | +78 +21 | |||||||||
| n5 | +13 +8 | +16 +10 | +20 +12 | +24 +15 | +28 +17 | +33 +20 | +38 +23 | +45 +27 | +51 +31 | +57 +34 | +62 +37 | |||||||||
| n6 | +16 +8 | +19 +10 | +23 +12 | +28 +15 | +33 +17 | +39 +20 | +45 +23 | +52 +27 | +60 +31 | +66 +34 | +73 +37 | |||||||||
| n7 | +20 +8 | +25 +10 | +30 +12 | +36 +15 | +42 +17 | +50 +20 | +58 +23 | +67 +27 | +77 +31 | +86 +34 | +94 +37 | |||||||||
| p5 | +17 +12 | +21 +15 | +26 +18 | +31 +22 | +37 +26 | +45 +32 | +52 +37 | +61 +43 | +70 +50 | +79 +56 | +87 +62 | |||||||||
| p6 | +20 +12 | +24 +15 | +29 +18 | +35 +22 | +42 +26 | +51 +32 | +59 +37 | +68 +43 | +79 +50 | +88 +56 | +98 +62 | |||||||||
| 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 | ||||||||||||||||||||
ISO Tolerances for Shafts (ISO 286-2)
