Disclaimer: The information on this page has not been checked by an independent person.   Use this information at your own risk.
ROYMECHX clone of ROYMECH

Click arrows to page adverts

Home
ISO Tolerances

ISO Hole Nearest Dim to Zero (Fundamental Deviation) ..Holes sizes 0-400mm...



Deviations in μmetres = (m-6)

over Up to
(Incl.)
Fundamental Deviation (El ) Fundamental Deviation (Es )
A B C CD D E EF F FG G H JS J6 J7 J8 K7 K8 >K8
  3 270 140 60 34 20 14 10 6 4 2 0 IT/2 2 4 6 0+ 0 0
3 6 270 140 70 46 30 20 14 10 6 4 0 IT/2 5 6 10 3 5  
6 10 280 150 80 56 40 25 18 13 8 5 0 IT/2 5 8 12 5 6  
10 14 290 150 95   50 32   16   6 0 IT/2 6 10 15 6 8  
14 18 290 150 95   50 32   16   6 0 IT/2 6 10 15 6 8  
18 24 300 160 110   65 40   20   7 0 IT/2 8 12 20 6 10  
24 30 300 160 110   65 40   20   7 0 IT/2 8 12 20 6 10  
30 40 310 170 120   80 50   25   9 0 IT/2 10 14 24 7 12  
40 50 320 180 130   80 50   25   9 0 IT/2 10 14 24 7 12  
50 65 340 190 140   100 60   30   10 0 IT/2 13 18 28 9 14  
65 80 360 200 150   100 60   30   10 0 IT/2 13 18 28 9 14  
80 100 380 220 170   120 72   36   12 0 IT/2 16 22 34 10 16  
100 120 410 240 180   120 72   36   12 0 IT/2 16 22 34 10 16  
120 140 460 260 200   145 85   43   14 0 IT/2 18 26 41 12 20  
140 160 520 280 210   145 85   43   14 0 IT/2 18 26 41 12 20  
160 180 580 310 230   145 85   43   14 0 IT/2 18 26 41 12 20  
180 200 660 340 240   170 100   50   15 0 IT/2 22 30 47 13 22  
200 225 740 380 260   170 100   50   15 0 IT/2 22 30 47 13 22  
225 250 820 420 280   170 100   50   15 0 IT/2 22 30 47 13 22  
250 280 920 480 300   190 110   56   17 0 IT/2 25 36 55 16 25  
280 315 1050 540 330   190 110   56   17 0 IT/2 25 36 55 16 25  
315 355 1200 600 360   210 125   62   18 0 IT/2 29 39 60 17 28  
355 400 1350 680 400   210 125   62   18 0 IT/2 29 39 60 17 28  
400 450 1500 760 440   230 135   68   20 0 IT/2 33 43 66 18 29  
450 500 1650 840 480   230 135   68   20 0 IT/2 33 43 66 18 29  
over Up to
(Incl.)
A B C CD D E EF F FG G H JS J6 J7 J8 K7 K8 >K8
Fundamental Deviation (El ) Fundamental Deviation (Es )


Important Note: For Fundamental deviations P-ZC ITn's > 7 only applies . For ITs 6 & 7 refer to table below..

over Up to
(Incl.)
Fundamental Deviation (Es )
M7 M8 >M8 N7 N8 >N8 P R S T U V X Y Z      ZA      ZB      ZC     
  3 -2 -2 -2 -5 -4 -4 -6 -10 -14   -18   -20   -26 -32 -40 -60
3 6 0 2 -4 -4 -2 0 -12 -15 -19   -23   -28   -35 -42 -50 -80
6 10 0 1 -6 -4 -3 0 -15 -19 -23   -28   -34   -42 -52 -67 -97
10 14 0 2 -7 -5 -3 0 -18 -23 -28   -33   -40   -50 -64 -90 -130
14 18 1 5 -7 -5 -3 0 -18 -23 -28   -33 -39 -45   -60 -77 -108 -150
18 24 0 4 -8 -7 -3 0 -22 -28 -35   -41 -47 -54 -63 -73 -98 -136 -188
24 30 1 6 -8 -7 -3 0 -22 -28 -35 -41 -48 -55 -64 -75 -88 -118 -160 -218
30 40 0 5 -9 -8 -3 0 -26 -34 -43 -48 -60 -68 -80 -94 -112 -148 -200 -274
40 50 2 7 -9 -8 -3 0 -26 -34 -43 -54 -70 -81 -97 -114 -136 -180 -242 -325
50 65 0 5 -11 -9 -4 0 -32 -41 -53 -66 -87 -102 -122 -144 -172 -226 -300 -405
65 80 2 8 -11 -9 -4 0 -32 -43 -59 -75 -102 -120 -146 -174 -210 -274 -360 -490
80 100 0 6 -13 -10 -4 0 -37 -51 -71 -91 -124 -146 -178 -214 -258 -335 -445 -585
100 120 2 10 -13 -10 -4 0 -37 -54 -79 -104 -144 -172 -210 -254 -310 -400 -525 -690
120 140 0 8 -15 -12 -4 0 -43 -63 -92 -122 -170 -202 -248 -300 -365 -470 -620 -800
140 160 0 8 -15 -12 -4 0 -43 -65 -100 -134 -190 -228 -280 -340 -415 -535 -700 -900
160 180 2 11 -15 -12 -4 0 -43 -68 -108 -146 -210 -252 -310 -380 -465 -600 -780 -1000
180 200 0 9 -17 -14 -5 0 -50 -77 -122 -166 -236 -284 -340 -425 -520 -670 -880 -1150
200 225 0 9 -17 -14 -5 0 -50 -80 -130 -180 -258 -310 -385 -470 -575 -740 -960 -1250
225 250 3 12 -17 -14 -5 0 -50 -84 -140 -196 -284 -340 -425 -520 -640 -820 -1050 -1350
250 280 0 9 -20 -14 -5 0 -56 -94 -158 -218 -315 -385 -475 -580 -710 -920 -1200 -1550
280 315 1 12 -20 -14 -5 0 -56 -98 -170 -240 -350 -425 -525 -650 -790 -1000 -1300 -1700
315 355 0 11 -21 -16 -5 0 -62 -108 -190 -268 -390 -475 -590 -730 -900 -1150 -1500 -1900
355 400 2 13 -21 -16 -5 0 -62 -114 -208 -294 -435 -530 -660 -820 -1000 -1300 -1650 -2100
400 450 48 59 -23 -17 -6 0 -68 -126 -232 -330 -490 -595 -740 -920 -1100 -1450 -1850 -2400
450 500 25 25 -23 -17 -6 0 -68 -132 -252 -360 -540 -660 -820 -1000 -1250 -1600 -2100 -2600
over Up to
(Incl.)
M7 M8 >M8 N7 N8 >N8 P R S T U V X Y Z ZA ZB ZC
Fundamental Deviation (Es )


Important Note: For Fundamental deviations (P to Z) For ITn = 6 & 7 refer to table below..

over Up to
(Incl.)
Fundamental Deviation (Es )
P6 P7 R6 R7 S6 S7 T6 T7 U6 U7 V6 V7 X6 X7 Y6 Y7 Z6 Z7
  3 -6 -6 -10 -10 -14 -14     -18 -18     -20 -20     -26 -26
3 6 -9 -8 -12 -11 -16 -15     -20 -19     -25 -24     -32 -31
6 10 -12 -9 -16 -13 -20 -17     -25 -22     -31 -28     -39 -36
10 14 -15 -11 -20 -16 -25 -21     -30 -26     -37 -33     -47 -43
14 18 -15 -11 -20 -16 -25 -21     -30 -26 -36 -32 -42 -38     -57 -53
18 24 -18 -14 -24 -20 -31 -27     -37 -33 -43 -39 -50 -46 -59 -55 -69 -65
24 30 -18 -14 -24 -20 -31 -27 -37 -33 -44 -40 -51 -47 -60 -56 -71 -67 -84 -80
30 40 -21 -17 -29 -25 -38 -34 -43 -39 -55 -51 -63 -59 -75 -71 -89 -85 -107 -103
40 50 -21 -17 -29 -25 -38 -34 -49 -45 -65 -61 -76 -72 -92 -88 -109 -105 -131 -127
50 65 -26 -21 -35 -30 -47 -42 -60 -55 -81 -76 -96 -91 -116 -111 -138 -133 -166 -161
65 80 -26 -21 -37 -32 -53 -48 -69 -64 -96 -91 -114 -109 -140 -135 -168 -163 -204 -199
80 100 -30 -24 -44 -38 -64 -58 -84 -78 -117 -111 -139 -133 -171 -165 -207 -201 -251 -245
100 120 -30 -24 -47 -41 -72 -66 -97 -91 -137 -131 -165 -159 -203 -197 -247 -241 -303 -297
120 140 -36 -28 -56 -48 -85 -77 -115 -107 -163 -155 -195 -187 -241 -233 -293 -285 -358 -350
140 160 -36 -28 -58 -50 -93 -85 -127 -119 -183 -175 -221 -213 -273 -265 -333 -325 -408 -400
160 180 -36 -28 -61 -53 -101 -93 -139 -131 -203 -195 -245 -237 -303 -295 -373 -365 -458 -450
180 200 -41 -33 -68 -60 -113 -105 -157 -149 -227 -219 -275 -267 -331 -323 -416 -408 -511 -503
200 225 -41 -33 -71 -63 -121 -113 -171 -163 -249 -241 -301 -293 -376 -368 -461 -453 -566 -558
225 250 -41 -33 -75 -67 -131 -123 -187 -179 -275 -267 -331 -323 -416 -408 -511 -503 -631 -623
250 280 -47 -36 -85 -74 -149 -138 -209 -198 -306 -295 -376 -365 -466 -455 -571 -560 -701 -690
280 315 -47 -36 -89 -78 -161 -150 -231 -220 -341 -330 -416 -405 -516 -505 -641 -630 -781 -770
315 355 -51 -41 -97 -87 -179 -169 -257 -247 -379 -369 -464 -454 -579 -569 -719 -709 -889 -879
355 400 -51 -41 -103 -93 -197 -187 -283 -273 -424 -414 -519 -509 -649 -639 -809 -799 -989 -979
400 450 -55 -45 -113 -103 -219 -209 -317 -307 -477 -467 -582 -572 -727 -717 -907 -897 -1087 -1077
450 500 -55 -45 -119 -109 -239 -229 -347 -337 -527 -517 -647 -637 -807 -797 -987 -977 -1237 -1227
over Up to
(Incl.)
P7 P7 R6 R7 S6 S7 T6 T7 U6 U7 V6 V7 X6 X7 Y6 Y7 Z6 Z7
Fundamental Deviation (Es )

This Page is being developed

Home
ISO Tolerances

Send Comments to Roy Beardmore

Last Updated 10/04/2008