Tolerances for Holes (ISO 286-2)
The importance of holes on cnc machined parts is no less than the threads.
ISO system of limits and fits basic hole system Upper and Lower limits in micrometer (0.001 mm) |
|||||||||||||||||||||||||
over | up to |
D10 | E9 | F7 | F8 | G7 | G9 | H6 | H7 | H8 | H9 | H11 | H12 | H13 | JS7 | JS9 | K6 | K7 | M6 | M7 | N7 | N9 | P7 | P9 | R7 |
- | 3 | +60 +20 |
+39 +14 |
+16 +6 |
+20 +10 |
+12 +2 |
+27 +2 |
+6 0 |
+10 0 |
+14 0 |
+25 0 |
+60 0 |
+100 0 |
+140 0 |
+5 - 5 |
+12.5 -12.5 |
0 -6 |
0 -10 |
-2 -8 |
-2 -12 |
-4 -14 |
-4 -29 |
-6 -16 |
-6 -31 |
-10 -20 |
3 | 6 | +78 +30 |
+50 +20 |
+22 +10 |
+28 +10 |
+16 +4 |
+34 +4 |
+8 0 |
+12 0 |
+18 0 |
+30 0 |
+75 0 |
+120 0 |
+180 0 |
+6 -6 |
+15 -15 |
+2 -6 |
+3 -9 |
-1 -9 |
0 -12 |
-4 -16 |
0 -30 |
-8 -20 |
-12 -42 |
-11 -23 |
6 | 10 | +98 +40 |
+61 +25 |
+28 +13 |
+35 +13 |
+20 +5 |
+41 +5 |
+9 0 |
+15 0 |
+22 0 |
+36 0 |
+90 0 |
+150 0 |
+220 0 |
+7.5 -7.5 |
+18 -18 |
+2 -7 |
+5 -10 |
-3 -12 |
0 -15 |
-4 -19 |
0 -36 |
-9 -24 |
-15 -51 |
-13 -28 |
10 | 18 | +120 +50 |
+75 +32 |
+34 +16 |
+43 +16 |
+24 +6 |
+49 +6 |
+11 0 |
+18 0 |
+27 0 |
+43 0 |
+110 0 |
+180 0 |
+270 0 |
+9 -9 |
+21.5 -21.5 |
+2 -9 |
+6 -12 |
-4 -15 |
0 -18 |
-5 -23 |
0 -43 |
-11 -29 |
-18 -61 |
-16 -34 |
18 | 30 | +149 +65 |
+92 +40 |
+41 +20 |
+53 +20 |
+28 +7 |
+59 +7 |
+13 0 |
+21 0 |
+33 0 |
+52 0 |
+130 0 |
+210 0 |
+330 0 |
+10.5 -10.5 |
+26 -26 |
+2 -11 |
+6 -15 |
-4 -17 |
0 -21 |
-7 -28 |
0 -52 |
-14 -35 |
-22 -74 |
-20 -41 |
30 | 50 | +180 +80 |
+112 +50 |
+50 +25 |
+64 +25 |
+34 +9 |
+71 +9 |
+16 0 |
+25 0 |
+39 0 |
+62 0 |
+160 0 |
+250 0 |
+390 0 |
+12.5 -12.5 |
+31 -31 |
+3 -13 |
+7 -18 |
-4 -20 |
0 -25 |
-8 -33 |
0 -62 |
-17 -42 |
-26 -88 |
-25 -50 |
50 | 65 | +220 +100 |
+134 +60 |
+60 +30 |
+76 +30 |
+40 +10 |
+19 0 |
+30 0 |
+46 0 |
+74 0 |
+190 0 |
+300 0 |
+460 0 |
+15 -15 |
+37 -37 |
+4 -15 |
+9 -21 |
-5 -24 |
0 -30 |
-9 -39 |
0 -74 |
-21 -51 |
-32 -106 |
-30 -60 |
|
65 | 80 | +220 +100 |
+134 +60 |
+60 +30 |
+76 +30 |
+40 +10 |
+19 0 |
+30 0 |
+46 0 |
+74 0 |
+190 0 |
+300 0 |
+460 0 |
+15 -15 |
+37 -37 |
+4 -15 |
+9 -21 |
-5 -24 |
0 -30 |
-9 -39 |
0 -74 |
-21 -51 |
-32 -106 |
-32 -62 |
|
80 | 100 | +260 +120 |
+159 +72 |
+71 +36 |
+90 +36 |
+47 +12 |
+22 0 |
+35 0 |
+54 0 |
+87 0 |
+220 0 |
+350 0 |
+540 0 |
+17.5 -17.5 |
+43.5 -43.5 |
+4 -18 |
+10 -25 |
-6 -28 |
0 -35 |
-10 -45 |
0 -87 |
-24 -59 |
-37 -124 |
-38 -73 |
|
100 | 120 | +260 +120 |
+159 +72 |
+71 +36 |
+90 +36 |
+47 +12 |
+22 0 |
+35 0 |
+54 0 |
+87 0 |
+220 0 |
+350 0 |
+540 0 |
+17.5 -17.5 |
+43.5 -43.5 |
+4 -18 |
+10 -25 |
-6 -28 |
0 -35 |
-10 -45 |
0 -87 |
-24 -59 |
-37 -124 |
-41 -76 |
|
120 | 140 | +305 +145 |
+185 +85 |
+83 +43 |
+106 +43 |
+54 +14 |
+25 0 |
+40 0 |
+63 0 |
+100 0 |
+250 0 |
+400 0 |
+630 0 |
+20 -20 |
+50 -50 |
+4 -21 |
+12 -28 |
-8 -33 |
0 -40 |
-12 -52 |
0 -100 |
-28 -68 |
-43 -143 |
-48 -88 |
|
140 | 160 | +305 +145 |
+185 +85 |
+83 +43 |
+106 +43 |
+54 +14 |
+25 0 |
+40 0 |
+63 0 |
+100 0 |
+250 0 |
+400 0 |
+630 0 |
+20 -20 |
+50 -50 |
+4 -21 |
+12 -28 |
-8 -33 |
0 -40 |
-12 -52 |
0 -100 |
-28 -68 |
-43 -143 |
-50 -90 |
|
160 | 180 | +305 +145 |
+185 +85 |
+83 +43 |
+106 +43 |
+54 +14 |
+25 0 |
+40 0 |
+63 0 |
+100 0 |
+250 0 |
+400 0 |
+630 0 |
+20 -20 |
+50 -50 |
+4 -21 |
+12 -28 |
-8 -33 |
0 -40 |
-12 -52 |
0 -100 |
-28 -68 |
-43 -143 |
-53 -93 |
|
180 | 200 | +335 +170 |
+215 +110 |
+96 +50 |
+122 +50 |
+61 +15 |
+29 0 |
+46 0 |
+72 0 |
+115 0 |
+290 0 |
+460 0 |
+720 0 |
+23 -23 |
+57.5 -57.5 |
+5 -24 |
+13 -33 |
-8 -37 |
0 -46 |
-14 -60 |
0 -115 |
-33 -79 |
-50 -165 |
-60 -106 |
|
200 | 225 | +335 +170 |
+215 +110 |
+96 +50 |
+122 +50 |
+61 +15 |
+29 0 |
+46 0 |
+72 0 |
+115 0 |
+290 0 |
+460 0 |
+720 0 |
+23 -23 |
+57.5 -57.5 |
+5 -24 |
+13 -33 |
-8 -37 |
0 -46 |
-14 -60 |
0 -115 |
-33 -79 |
-50 -165 |
-63 -109 |
|
225 | 250 | +335 +170 |
+215 +110 |
+96 +50 |
+122 +50 |
+61 +15 |
+29 0 |
+46 0 |
+72 0 |
+115 0 |
+290 0 |
+460 0 |
+720 0 |
+23 -23 |
+57.5 -57.5 |
+5 -24 |
+13 -33 |
-8 -37 |
0 -46 |
-14 -60 |
0 -115 |
-33 -79 |
-50 -165 |
-67 -113 |
|
250 | 280 | +400 +190 |
+240 +110 |
+108 +56 |
+137 +56 |
+69 +17 |
+32 0 |
+52 0 |
+81 0 |
+130 0 |
+320 0 |
+520 0 |
+810 0 |
+26 -26 |
+65 -65 |
+5 -27 |
+16 -36 |
-9 -41 |
0 -52 |
-14 -66 |
0 -130 |
-36 -88 |
-56 -186 |
-74 -126 |
|
280 | 315 | +400 +190 |
+240 +110 |
+108 +56 |
+137 +56 |
+69 +17 |
+32 0 |
+52 0 |
+81 0 |
+130 0 |
+320 0 |
+520 0 |
+810 0 |
+26 -26 |
+65 -65 |
+5 -27 |
+16 -36 |
-9 -41 |
0 -52 |
-14 -66 |
0 -130 |
-36 -88 |
-56 -186 |
-78 -130 |
|
315 | 355 | +440 +210 |
+265 +125 |
+119 +62 |
+151 +62 |
+75 +18 |
+36 0 |
+57 0 |
+89 0 |
+140 0 |
+360 0 |
+570 0 |
+890 0 |
+28.5 -28.5 |
+70 -70 |
+7 -29 |
+17 -40 |
-10 -46 |
0 -57 |
-16 -73 |
0 -140 |
-41 -98 |
-62 -202 |
-87 -144 |
|
355 | 400 | +440 +210 |
+265 +125 |
+119 +62 |
+151 +62 |
+75 +18 |
+36 0 |
+57 0 |
+89 0 |
+140 0 |
+360 0 |
+570 0 |
+890 0 |
+28.5 -28.5 |
+70 -70 |
+7 -29 |
+17 -40 |
-10 -46 |
0 -57 |
-16 -73 |
0 -140 |
-41 -98 |
-62 -202 |
-93 -150 |
Tolerances for Shafts (ISO 286-2)
ISO system of limits and fits basic shaft system Upper and Lower limits in micrometer (0.001 mm) |
|||||||||||||||||||||||||
over |
up to |
d9 | e8 | f7 | g6 | h5 | h6 | h7 | h8 | h9 | h11 | js5 | js6 | js13 | js14 | k5 | k6 | m5 | m6 | n5 | n6 | p6 | r6 | s6 | s7 |
- |
3 |
-20 -45 |
-14 -28 |
-6 -16 |
-2 -8 |
0 -4 |
0 -6 |
0 -10 |
0 -14 |
0 -25 |
0 -60 |
+2 -2 |
+3 -3 |
+70 -70 |
+125 -125 |
+40 0 |
+60 0 |
+6 +2 |
+8 +2 |
+8 +4 |
+10 +4 |
+12 +6 |
+16 +10 |
+20 +14 |
+24 +14 |
3 | 6 | -30 -60 |
-20 -38 |
-10 -22 |
-4 -12 |
0 -5 |
0 -8 |
0 -12 |
0 -18 |
0 -30 |
0 -75 |
+2.5 -2.5 |
+4 -4 |
+90 -90 |
+150 -150 |
+6 +1 |
+9 +1 |
+9 +4 |
+12 +4 |
+13 +8 |
+16 +8 |
+20 +12 |
+23 +15 |
+27 +19 |
+31 +19 |
6 | 10 | -40 -76 |
-25 -47 |
-13 -28 |
-5 -14 |
0 -6 |
0 -9 |
0 -15 |
0 -22 |
0 -36 |
0 -90 |
+3 -3 |
+4.5 -4.5 |
+110 -110 |
+180 -180 |
+7 +1 |
+10 +1 |
+12 +6 |
+15 +6 |
+16 +10 |
+19 +10 |
+24 +15 |
+28 +19 |
+32 +23 |
+38 +23 |
10 | 18 | -50 -93 |
-32 -59 |
-16 -34 |
-6 -17 |
0 -8 |
0 -11 |
0 -18 |
0 -27 |
0 -43 |
0 -110 |
+4 -4 |
+5.5 -5.5 |
+135 -135 |
+215 -215 |
+9 +1 |
+12 +1 |
+15 +7 |
+18 +7 |
+20 +12 |
+23 +12 |
+29 +18 |
+34 +23 |
+39 +28 |
+46 +28 |
18 | 30 | -65 -117 |
-40 -73 |
-20 -41 |
-7 -20 |
0 -9 |
0 -13 |
0 -21 |
0 -33 |
0 -52 |
0 -130 |
+4.5 -4.5 |
+6.5 -6.5 |
+165 -165 |
+260 -260 |
+11 +2 |
+15 +2 |
+17 +8 |
+21 +8 |
+24 +15 |
+28 +15 |
+35 +22 |
+41 +28 |
+48 +35 |
+56 +35 |
30 | 50 | -80 -142 |
-50 -89 |
-25 -50 |
-9 -25 |
0 -11 |
0 -16 |
0 -25 |
0 -39 |
0 -62 |
0 -160 |
+5.5 -5.5 |
+8 -8 |
+195 -195 |
+310 -310 |
+13 +2 |
+18 +2 |
+20 +9 |
+25 +9 |
+28 +17 |
+33 +17 |
+42 +26 |
+50 +34 |
+59 +43 |
+68 +43 |
50 | 65 | -100 -174 |
-60 -106 |
-30 -60 |
-10 -29 |
0 -13 |
0 -19 |
0 -30 |
0 -46 |
0 -74 |
0 -190 |
+6.5 -6.5 |
+9.5 -9.5 |
+230 -230 |
+370 -370 |
+15 +2 |
+21 +2 |
+24 +11 |
+30 +11 |
+33 +20 |
+39 +20 |
+51 +32 |
+60 +41 |
+72 +53 |
+83 +53 |
65 | 80 | -100 -174 |
-60 -106 |
-30 -60 |
-10 -29 |
0 -13 |
0 -19 |
0 -30 |
0 -46 |
0 -74 |
0 -190 |
+6.5 -6.5 |
+9.5 -9.5 |
+230 -230 |
+370 -370 |
+15 +2 |
+21 +2 |
+24 +11 |
+30 +11 |
+33 +20 |
+39 +20 |
+51 +32 |
+62 +43 |
+78 +59 |
+89 +59 |
80 | 100 | -120 -207 |
-72 -126 |
-36 -71 |
-12 -34 |
0 -15 |
0 -22 |
0 -35 |
0 -54 |
0 -87 |
0 -220 |
+7.5 -7.5 |
+11 -11 |
+270 -270 |
+435 -435 |
+18 +3 |
+25 +3 |
+28 +13 |
+35 +13 |
+38 +23 |
+45 +23 |
+59 +37 |
+73 +51 |
+93 +71 |
+106 +71 |
100 | 120 | -120 -207 |
-72 -126 |
-36 -71 |
-12 -34 |
0 -15 |
0 -22 |
0 -35 |
0 -54 |
0 -87 |
0 -220 |
+7.5 -7.5 |
+11 -11 |
+270 -270 |
+435 -435 |
+18 +3 |
+25 +3 |
+28 +13 |
+35 +13 |
+38 +23 |
+45 +23 |
+59 +37 |
+76 +54 |
+101 +79 |
+114 +79 |
120 | 140 | -145 -245 |
-85 -148 |
-43 -83 |
-14 -39 |
0 -18 |
0 -25 |
0 -40 |
0 -63 |
0 -100 |
0 -250 |
+9 -9 |
+12.5 -12.5 |
+315 -315 |
+500 -500 |
+21 +3 |
+28 +3 |
+33 +15 |
+40 +15 |
+45 +27 |
+52 +27 |
+68 +43 |
+88 +63 |
+117 +92 |
+132 +92 |
140 | 160 | -145 -245 |
-85 -148 |
-43 -83 |
-14 -39 |
0 -18 |
0 -25 |
0 -40 |
0 -63 |
0 -100 |
0 -250 |
+9 -9 |
+12.5 -12.5 |
+315 -315 |
+500 -500 |
+21 +3 |
+28 +3 |
+33 +15 |
+40 +15 |
+45 +27 |
+52 +27 |
+68 +43 |
+90 +65 |
+125 +100 |
+140 +100 |
160 | 180 | -145 -245 |
-85 -148 |
-43 -83 |
-14 -39 |
0 -18 |
0 -25 |
0 -40 |
0 -63 |
0 -100 |
0 -250 |
+9 -9 |
+12.5 -12.5 |
+315 -315 |
+500 -500 |
+21 +3 |
+28 +3 |
+33 +15 |
+40 +15 |
+45 +27 |
+52 +27 |
+68 +43 |
+93 +68 |
+133 +108 |
+148 +108 |
180 | 200 | -170 -285 |
-100 -172 |
-50 -96 |
-15 -44 |
0 -20 |
0 -29 |
0 -46 |
0 -72 |
0 -115 |
0 -290 |
+10 -10 |
+14.5 -14.5 |
+360 -360 |
+575 -575 |
+24 +4 |
+33 +4 |
+37 +17 |
+46 +17 |
+51 +31 |
+60 +31 |
+79 +50 |
+106 +77 |
+151 +122 |
+168 +122 |
200 | 225 | -170 -285 |
-100 -172 |
-50 -96 |
-15 -44 |
0 -20 |
0 -29 |
0 -46 |
0 -72 |
0 -115 |
0 -290 |
+10 -10 |
+14.5 -14.5 |
+360 -360 |
+575 -575 |
+24 +4 |
+33 +4 |
+37 +17 |
+46 +17 |
+51 +31 |
+60 +31 |
+79 +50 |
+109 +80 |
+159 +130 |
+176 +130 |
225 | 250 | -170 -285 |
-100 -172 |
-50 -96 |
-15 -44 |
0 -20 |
0 -29 |
0 -46 |
0 -72 |
0 -115 |
0 -290 |
+10 -10 |
+14.5 -14.5 |
+360 -360 |
+575 -575 |
+24 +4 |
+33 +4 |
+37 +17 |
+46 +17 |
+51 +31 |
+60 +31 |
+79 +50 |
+113 +84 |
+169 +140 |
+186 +140 |
250 | 280 | -190 -320 |
-110 -191 |
-56 -108 |
-17 -49 |
0 -23 |
0 -32 |
0 -52 |
0 -81 |
0 -130 |
0 -320 |
+11.5 -11.5 |
+16 -16 |
+405 -405 |
+650 -650 |
+27 +4 |
+36 +4 |
+43 +20 |
+52 +20 |
+57 +34 |
+66 +34 |
+88 +56 |
+126 +94 |
+190 +158 |
+210 +158 |
280 | 315 | -190 -320 |
-110 -191 |
-56 -108 |
-17 -49 |
0 -23 |
0 -32 |
0 -52 |
0 -81 |
0 -130 |
0 -320 |
+11.5 -11.5 |
+16 -16 |
+405 -405 |
+650 -650 |
+27 +4 |
+36 +4 |
+43 +20 |
+52 +20 |
+57 +34 |
+66 +34 |
+88 +56 |
+130 +98 |
+202 +170 |
+222 +170 |
315 | 355 | -210 -350 |
-125 -214 |
-62 -119 |
-18 -54 |
0 -25 |
0 -36 |
0 -57 |
0 -89 |
0 -140 |
0 -360 |
+12.5 -12.5 |
+18 -18 |
+445 -445 |
+700 -700 |
+29 +4 |
+40 +4 |
+46 +21 |
+57 +21 |
+62 +37 |
+73 +37 |
+98 +62 |
+144 +108 |
+226 +190 |
+247 +190 |
355 | 400 | -210 -350 |
-125 -214 |
-62 -119 |
-18 -54 |
0 -25 |
0 -36 |
0 -57 |
0 -89 |
0 -140 |
0 -360 |
+12.5 -12.5 |
+18 -18 |
+445 -445 |
+700 -700 |
+29 +4 |
+40 +4 |
+46 +21 |
+57 +21 |
+62 +37 |
+73 +37 |
+98 +62 |
+150 +114 |
+244 +208 |
+265 +208 |