Section N Technical Guide

References

■ Dimensional Tolerance of Standard Fittings [Excerpt from JIS B 0401 (1999)] ■ Dimensional Tolerance Used for Holes of Standard Fittings

Classification of Reference Dimensions ( mm )

Hole Tolerance Class 

Unit: μm

or greater or less B10 C9 C10 D8 D9 D10 E7 E8 E9 F6 F7 F8 G6 G7 H6 H7 H8 H9H10JS6JS7 K6 K7 M6M7 N6 N7 P6 P7 R7 S7 T7 U7 X7 — 3 ±3 ±5

+180 +140 +188 +140 +208 +150

+85 +60

+100 +60 +118 +70 +138 +80

+34 +20 +48 +30 +62 +40

+45 +20 +60 +30 +76 +40

+60 +20 +78 +30 +98 +40

+24 +14 +32 +20 +40 +25

+28 +14 +38 +20 +47 +25

+39 +14 +50 +20 +61 +25

+12 +6 +18 +10 +22 +13

+16 +6 +22 +10 +28 +13

+20 +6 +28 +10 +35 +13

+8 +2

+12 +2 +16 +4 +20 +5

+6 0 +8 0 +9 0

+10 0 +12 0 +15 0

+14 0 +18 0 +22 0

+25 0 +30 0 +36 0

+40 0 +48 0 +58 0

0 -6

0 -10

-2 -8 -1 -9

-2 -12 0 -12 0 -15

-4 -10 -5 -13 -7 -16

-4 -14 -4 -16 -4 -19

-6 -12 -9 -17 -12 -21

-6 -16 -8 -20 -9 -24

-10 -20 -11 -23 -13 -28

-14 -24 — -15 -27 — -17 -32 —

-18 -28 -19 -31 -22 -37

-20 -30 -24 -36 -28 -43 -33 -51 -38 -56 -46 -67 -56 -77

+100 +70 +116 +80

+12 +4 +14 +5

+2 -6 +2 -7

+3 -9

3 6

±4 ±6

N

+5 -10

-3 -12

6 10

±4.5 ±7.5

10 14

+220 +150

+138 +95

+165 +95

+77 +50

+93 +50

+120 +50

+50 +32

+59 +32

+75 +32

+27 +16

+34 +16

+43 +16

+17 +6

+24 +6

+11 0

+18 0

+27 0

+43 0

+70 0

+2 -9

+6 -12

-4 -15

0 -18

-9 -20

-5 -23

-15 -26

-11 -29

-16 -34

-21 -39 —

-26 -44

±5.5 ±9

14 18

— -33 -54

18 24

+244 +160

+162 +110

+194 +110

+98 +65

+117 +65

+149 +65

+61 +40

+73 +40

+92 +40

+33 +20

+41 +20

+53 +20

+20 +7

+28 +7

+13 0

+21 0

+33 0

+52 0

+84 0

+2 -11

+6 -15

-4 -17

0 -21

-11 -24

-7 -28

-18 -31

-14 -35

-20 -41

-27 -48

±6.5 ±10.5

-33 -54

-40 -61 -51 -76 -61 -86

24 30

+270 +170 +280 +180 +310 +190 +320 +200 +360 +220 +380 +240 +420 +260 +440 +280 +470 +310 +525 +340 +565 +380 +605 +420 +690 +480 +750 +540 +830 +600 +910 +680

+182 +120 +192 +130 +214 +140 +224 +150 +257 +170 +267 +180 +300 +200 +310 +210 +330 +230 +355 +240 +375 +260 +395 +280 +430 +300 +460 +330 +500 +360 +540 +400 +595 +440 +635 +480

+220 +120 +230 +130 +260 +140 +270 +150 +310 +170 +320 +180 +360 +200 +370 +210 +390 +230 +425 +240 +445 +260 +465 +280 +510 +300 +540 +330 +590 +360 +630 +400 +690 +440 +730 +480

-39 -64 -45 -70 -55 -85 -64 -94

30 40

+119 +80

+142 +80

+180 +80

+75 +50

+89 +50

+112 +50

+41 +25

+50 +25

+64 +25

+25 +9

+34 +9

+16 0

+25 0

+39 0

+62 0

+100 0

+3 -13

+7 -18

-4 -20

0 -25

-12 -28

-8 -33

-21 -37

-17 -42

-25 -50

-34 -59

±8 ±12.5

40 50

-30 -60 -32 -62 -38 -73 -41 -76 -48 -88 -50 -90 -53 -93

-42 -72 -48 -78 -58 -93

-76 -106 -91 -121 -111 -146 -131 -166

50 65

+146 +100

+174 +100

+220 +100

+90 +60

+106 +60

+134 +60

+49 +30

+60 +30

+76 +30

+29 +10

+40 +10

+19 0

+30 0

+46 0

+74 0

+120 0

+4 -15

+9 -21

-5 -24

0 -30

-14 -33

-9 -39

-26 -45

-21 -51

±9.5 ±15

65 80

-78 -113 -91 -126 -107 -147 -119 -159 -131 -171

80 100

+174 +120

+207 +120

+260 +120

+107 +72

+126 +72

+159 +72

+58 +36

+71 +36

+90 +36

+34 +12

+47 +12

+22 0

+35 0

+54 0

+87 0

+140 0

+4 -18

+10 -25

-6 -28

0 -35

-16 -38

-10 -45

-30 -52

-24 -59

±11 ±17.5

-66 -101 -77 -117 -85 -125 -93 -133 -105 -151 -113 -159 -123 -169

100 120

120 140

+208 +145

+245 +145

+305 +145

+125 +85

+148 +85

+185 +85

+68 +43

+83 +43

+106 +43

+39 +14

+54 +14

+25 0

+40 0

+63 0

+100 0

+160 0

+4 -21

+12 -28

-8 -33

0 -40

-20 -45

-12 -52

-36 -61

-28 -68

— —

140 160

±12.5 ±20

160 180

-60 -106 -63 -109 -67 -113 -74 -126 -78 -130 -87 -144 -93 -150 -103 -166 -109 -172

180 200

+242 +170

+285 +170

+355 +170

+146 +100

+172 +100

+215 +100

+79 +50

+96 +50

+122 +50

+44 +15

+61 +15

+29 0

+46 0

+72 0

+115 0

+185 0

+5 -24

+13 -33

-8 -37

0 -46

-22 -51

-14 -60

-41 -70

-33 -79

— — —

200 225

±14.5 ±23

225 250

250 280

+271 +190

+320 +190

+400 +190

+162 +110

+191 +110

+240 +110

+88 +56

+108 +56

+137 +56

+49 +17

+69 +17

+32 0

+52 0

+81 0

+130 0

+210 0

+5 -27

+16 -36

-9 -41

0 -52

-25 -57

-14 -66

-47 -79

-36 -88

— — — —

±16 ±26

280 315

315 355

+299 +210

+350 +210

+440 +210

+182 +125

+214 +125

+265 +125

+98 +62

+119 +62

+151 +62

+54 +18

+75 +18

+36 0

+57 0

+89 0

+140 0

+230 0

+7 -29

+17 -40

-10 -46

0 -57

-26 -62

-16 -73

-51 -87

-41 -98

— — — —

±18 ±28.5

355 400

+1010 +760 +1090 +840

400 450

+327 +230

+385 +230

+480 +230

+198 +135

+232 +135

+290 +135

+108 +68

+131 +68

+165 +68

+60 +20

+83 +20

+40 0

+63 0

+97 0

+155 0

+250 0

+8 -32

+18 -45

-10 -50

0 -63

-27 -67

-17 -80

-55 -95

-45 -108

— — — —

±20 ±31.5

450 500

N75

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