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Norma di riferimento: UNI 6388/68 - ISO 286 L’ovalizzazione ammessa è la metà della tolleranza prevista |
µm | 50 | uguale | mm | 0,05 | ||||||||||||||||||||
| grado | classe | diametri in mm | |||||||||||||||||||||||
|
>1 < 3 |
>3 < 6 |
>6 < 10 |
>10 < 18 |
>18 < 30 |
>30 < 50 |
> 50 < 80 |
>80 < 120 |
>120 < 180 |
>180 < 250 |
>250 < 315 |
>315 < 400 |
||||||||||||||
| le tolleranze sono espresse in µm = 0,001 mm | |||||||||||||||||||||||||
| g | 5 | -2 | -6 | -4 | -9 | -5 | -11 | -6 | -14 | -7 | -16 | -9 | -20 | -10 | -23 | -12 | -27 | -14 | -32 | -15 | -35 | -17 | -40 | -18 | -43 |
| h | 5 | 0 | -4 | 0 | -5 | 0 | -6 | 0 | -8 | 0 | -9 | 0 | -11 | 0 | -13 | 0 | -15 | 0 | -18 | 0 | -20 | 0 | -23 | 0 | -25 |
| j | 5 | +2 | -2 | +3 | -2 | +4 | -2 | +5 | -3 | +5 | -4 | +6 | -5 | +6 | -7 | +6 | -9 | +7 | -11 | +7 | -13 | +7 | -16 | +7 | -18 |
| k | 5 | +4 | 0 | +6 | +1 | +7 | +1 | +9 | +1 | +11 | +2 | +13 | +2 | +15 | +2 | +18 | +3 | +21 | +3 | +24 | +4 | +27 | +4 | +29 | +4 |
| m | 5 | +6 | +2 | +9 | +4 | +12 | +6 | +15 | +7 | +17 | +8 | +20 | +9 | +24 | +11 | +28 | +13 | +33 | +15 | +37 | +17 | +43 | +20 | +46 | +21 |
| js | 5 | +2 | -2 | +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 |
| n | 5 | +8 | +4 | +13 | +8 | +16 | +10 | +20 | +12 | +24 | +15 | +28 | +17 | +33 | +20 | +38 | +23 | +45 | +27 | +51 | +31 | +57 | +34 | +62 | +37 |
| g | 6 | -2 | -8 | -4 | -12 | -5 | -14 | -6 | -17 | -7 | -20 | -9 | -25 | -10 | -29 | -12 | -34 | -14 | -39 | -15 | -44 | -17 | -49 | -18 | -54 |
| h | 6 | 0 | -6 | 0 | -8 | 0 | -9 | 0 | -11 | 0 | -13 | 0 | -16 | 0 | -19 | 0 | -22 | 0 | -25 | 0 | -29 | 0 | -32 | 0 | -36 |
| j | 6 | +4 | -2 | +6 | -2 | +7 | -2 | +8 | -3 | +9 | -4 | +11 | -5 | +12 | -7 | +13 | -9 | +14 | -11 | +16 | -13 | +16 | -16 | +18 | -18 |
| k | 6 | +6 | 0 | +9 | +1 | +10 | +1 | +12 | +1 | +15 | +2 | +18 | +2 | +21 | +2 | +25 | +3 | +28 | +3 | +33 | +4 | +36 | +4 | +40 | +4 |
| m | 6 | +8 | +2 | +12 | +4 | +15 | +6 | +18 | +7 | +21 | +8 | +25 | +9 | +30 | +11 | +35 | +13 | +40 | +15 | +46 | +17 | +52 | +20 | +57 | +21 |
| n | 6 | +10 | +4 | +16 | +8 | +19 | +10 | +23 | +12 | +28 | +15 | +33 | +17 | +39 | +20 | +45 | +23 | +52 | +27 | +60 | +31 | +66 | +34 | +73 | +37 |
| js | 6 | +3 | -3 | +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 |
| p | 6 | +12 | +6 | +20 | +12 | +24 | +15 | +29 | +18 | +35 | +22 | +42 | +26 | +51 | +32 | +59 | +37 | +68 | +43 | +79 | +50 | +88 | +56 | +98 | +62 |
| g | 7 | -2 | -12 | -4 | -16 | -5 | -20 | -6 | -24 | -7 | -28 | -9 | -34 | -10 | -40 | -12 | -47 | -14 | -54 | -15 | -61 | -17 | -69 | -18 | -75 |
| f | 7 | -6 | -16 | -10 | -22 | -13 | -28 | -16 | -34 | -20 | -41 | -25 | -50 | -30 | -60 | -36 | -71 | -43 | -83 | -50 | -96 | -56 | -108 | -62 | -119 |
| h | 7 | 0 | -10 | 0 | -12 | 0 | -15 | 0 | -18 | 0 | -21 | 0 | -25 | 0 | -30 | 0 | -35 | 0 | -40 | 0 | -46 | 0 | -52 | 0 | -57 |
| j | 7 | +6 | -4 | +8 | -4 | +10 | -5 | +12 | -6 | +13 | -8 | +15 | -10 | +18 | -12 | +20 | -15 | +22 | -18 | +25 | -21 | +26 | -26 | +29 | -28 |
| k | 7 | +10 | 0 | +13 | +1 | +16 | +1 | +19 | +1 | +23 | +2 | +27 | +2 | +32 | +2 | +38 | +3 | +43 | +3 | +50 | +4 | +56 | +4 | +61 | +4 |
| m | 7 | +12 | +2 | +16 | +4 | +21 | +6 | +25 | +7 | +29 | +8 | +34 | +9 | +41 | +11 | +48 | +13 | +55 | +15 | +63 | +17 | +72 | +20 | +78 | +21 |
| js | 7 | +5 | -5 | +6 | -6 | +7 | -7 | +9 | -9 | +10 | -10 | +12 | -12 | +15 | -15 | +17 | -17 | +20 | -20 | +23 | -23 | +26 | -26 | +28 | -28 |
| n | 7 | +14 | +4 | +20 | +8 | +25 | +10 | +30 | +12 | +36 | +15 | +42 | +17 | +50 | +20 | +58 | +23 | +67 | +27 | +77 | +31 | +86 | +34 | +94 | +37 |
| d | 8 | -20 | -34 | -30 | -48 | -40 | -62 | -50 | -77 | -65 | -98 | -80 | -119 | -100 | -146 | -120 | -174 | -145 | -208 | -170 | -242 | -190 | -271 | -210 | -299 |
| e | 8 | -14 | -28 | -20 | -38 | -25 | -47 | -32 | -59 | -40 | -73 | -50 | -89 | -60 | -106 | -72 | -126 | -85 | -148 | -100 | -172 | -110 | -191 | -125 | -214 |
| f | 8 | -6 | -20 | -10 | -28 | -13 | -35 | -16 | -43 | -20 | -53 | -25 | -64 | -30 | -76 | -36 | -90 | -43 | -106 | -50 | -122 | -56 | -137 | -62 | -151 |
| h | 8 | 0 | -14 | 0 | -18 | 0 | -22 | 0 | -27 | 0 | -33 | 0 | -39 | 0 | -46 | 0 | -54 | 0 | -63 | 0 | -72 | 0 | -81 | 0 | -89 |
| js | 8 | +7 | -7 | +9 | -9 | +11 | -11 | +13 | -13 | +16 | -16 | +19 | -19 | +23 | -23 | +27 | -27 | +31 | -31 | +36 | -36 | +40 | -40 | +44 | -44 |
| k | 8 | +14 | 0 | +18 | 0 | +22 | 0 | +27 | 0 | +33 | 0 | +39 | 0 | +46 | 0 | +54 | 0 | +63 | 0 | +72 | 0 | +81 | 0 | +89 | 0 |
| d | 9 | -20 | -45 | -30 | -60 | -40 | -76 | -50 | -93 | -65 | -117 | -80 | -142 | -100 | -174 | -120 | -207 | -145 | -245 | -170 | -285 | -190 | -320 | -210 | -350 |
| e | 9 | -14 | -39 | -20 | -50 | -25 | -61 | -32 | -75 | -40 | -92 | -50 | -112 | -60 | -134 | -72 | -159 | -85 | -185 | -100 | -215 | -110 | -240 | -125 | -265 |
| h | 9 | 0 | -25 | 0 | -30 | 0 | -36 | 0 | -43 | 0 | -52 | 0 | -62 | 0 | -74 | 0 | -87 | 0 | -100 | 0 | -115 | 0 | -130 | 0 | -140 |
| js | 9 | +12 | -12 | +15 | -15 | +18 | -18 | +21 | -21 | +26 | -26 | +31 | -31 | +37 | -37 | +43 | -43 | +50 | -50 | +57 | -57 | +65 | -65 | +70 | -70 |
| k | 9 | +25 | 0 | +30 | 0 | +36 | 0 | +43 | 0 | +52 | 0 | +62 | 0 | +74 | 0 | +87 | 0 | +100 | 0 | +115 | 0 | +130 | 0 | +140 | 0 |
| h | 10 | 0 | -40 | 0 | -48 | 0 | -58 | 0 | -70 | 0 | -84 | 0 | -100 | 0 | -120 | 0 | -140 | 0 | -160 | 0 | -185 | 0 | -210 | 0 | -230 |
| js | 10 | +20 | -20 | +24 | -24 | +29 | -29 | +35 | -35 | +42 | -42 | +50 | -50 | +60 | -60 | +70 | -70 | +80 | -80 | +92 | -92 | +105 | -105 | +115 | -115 |
| k | 10 | +40 | 0 | +48 | 0 | +58 | 0 | +70 | 0 | +84 | 0 | +100 | 0 | +120 | 0 | +140 | 0 | +160 | 0 | +185 | 0 | +210 | 0 | +230 | 0 |
| h | 11 | 0 | -60 | 0 | -75 | 0 | -90 | 0 | -110 | 0 | -130 | 0 | -160 | 0 | -190 | 0 | -220 | 0 | -250 | 0 | -290 | 0 | -320 | 0 | -360 |
| js | 11 | +30 | -30 | +37 | -37 | +45 | -45 | +55 | -55 | +65 | -65 | +80 | -80 | +95 | -95 | +110 | -110 | +125 | -125 | +145 | -145 | +160 | -160 | +180 | -180 |
| k | 11 | +60 | 0 | +75 | 0 | +90 | 0 | +110 | 0 | +130 | 0 | +160 | 0 | +190 | 0 | +220 | 0 | +250 | 0 | +290 | 0 | +320 | 0 | +360 | 0 |
| js | 12 | +50 | -50 | +60 | -60 | +75 | -75 | +90 | -90 | +105 | -105 | +125 | -125 | +150 | -150 | +175 | -175 | +200 | -200 | +230 | -230 | +260 | -260 | +285 | -285 |
| h | 12 | 0 | -100 | 0 | -120 | 0 | -150 | 0 | -180 | 0 | -210 | 0 | -250 | 0 | -300 | 0 | -350 | 0 | -400 | 0 | -460 | 0 | -520 | 0 | -570 |
| k | 12 | +100 | 0 | +120 | 0 | +150 | 0 | +180 | 0 | +210 | 0 | +250 | 0 | +300 | 0 | +350 | 0 | +400 | 0 | +460 | 0 | +520 | 0 | +570 | 0 |
| js | 13 | +70 | -70 | +90 | -90 | +110 | -110 | +135 | -135 | +165 | -165 | +195 | -195 | +230 | -230 | +270 | -270 | +315 | -315 | +360 | -360 | +405 | -405 | +445 | -445 |
| h | 13 | 0 | -140 | 0 | -180 | 0 | -220 | 0 | -270 | 0 | -330 | 0 | -390 | 0 | -460 | 0 | -540 | 0 | -630 | 0 | -720 | 0 | -810 | 0 | -890 |
| k | 13 | +140 | 0 | +180 | 0 | +220 | 0 | +270 | 0 | +330 | 0 | +390 | 0 | +460 | 0 | +540 | 0 | +630 | 0 | +720 | 0 | +810 | 0 | +890 | 0 |