ROYMECH


This site is dedicated in providing the excellent engineering information

ISO Hole Nearest Dim to Zero (Fundamental Deviation) ..Holes sizes 400-3150mm...




Deviations in μmetres = (m-6)

over Up to
( Incl.)
Fundamental Deviation (El ) Fundamental Deviation (Es )
D E F G H JS K M N P R S T U
500 560 260 145 76 22 0 IT/2 0 -26 -44 -78 -150 -280 -400 -600
560 630 260 145 76 22 0 IT/2 0 -26 -44 -78 -155 -310 -450 -660
630 710 290 160 80 24 0 IT/2 0 -30 -50 -88 -175 -340 -500 -740
710 800 290 160 80 24 0 IT/2 0 -30 -50 -88 -185 -380 -560 -840
800 900 320 170 86 26 0 IT/2 0 -34 -56 -100 -210 -430 -620 -940
900 1000 320 170 86 26 0 IT/2 0 -34 -56 -100 -220 -470 -680 -1050
1000 1120 350 195 98 28 0 IT/2 0 -40 -66 -120 -250 -520 -780 -1150
1120 1250 350 195 98 28 0 IT/2 0 -40 -66 -120 -260 -580 -840 -1300
1250 1400 390 220 110 30 0 IT/2 0 -48 -78 -140 -300 -640 -960 -1450
1400 1600 390 220 110 30 0 IT/2 0 -48 -78 -140 -330 -720 -1050 -1600
1600 1800 430 240 120 32 0 IT/2 0 -58 -92 -170 -370 -820 -1200 -1850
1800 2000 430 240 120 32 0 IT/2 0 -58 -92 -170 -400 -920 -1350 -2000
2000 2240 480 260 130 34 0 IT/2 0 -68 -110 -195 -440 -1000 -1500 -2300
2240 2500 480 260 130 34 0 IT/2 0 -68 -110 -195 -460 -1100 -1650 -2500
2500 2800 520 290 145 38 0 IT/2 0 -76 -135 -240 -550 -1250 -1900 -2900
2800 3150 520 290 145 38 0 IT/2 0 -76 -135 -240 -580 -1400 -2100 -3200
over Up to
( Incl.)
D E F G H JS K M N P R S T U
Fundamental Deviation (El ) Fundamental Deviation (Es )