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  Tollerancies

Reference Standard: UNI 6388/68 - ISO 286 Out-of-roundness bars tolerances equal to half of the tolerances shown µm 50 equal mm 0,05
grade class diameter 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
    tolerances are expressed 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

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