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Reference values of shaft tolerance and hole tolerance commonly used in machining

Author:    Release time:2020-09-24   Browse:

In the machining process, the commonly used reference values of shaft tolerance and hole tolerance are as follows:


Shaft tolerance form (ISO) unitsum

<

c9

d8

e7

e8

f7

g6

h5

h6

h7

h8

js6

js7

k6

m6

n6

p6

p7

r6

s6

3

-60

-20

-14

-14

-6

-2

0

0

0

0

±3

±5

6

8

10

12

16

16

20

-85

-34

-24

-28

-16

-8

-4

-6

-10

-14

0

2

4

6

6

10

14

3

6

-70

-30

-20

-20

-10

-4

0

0

0

0

±4

±6

9

12

16

20

24

23

27

-100

-48

-32

-38

-22

-12

-5

-8

-12

-18

1

4

8

12

12

15

19

6

10

-80

-40

-25

-25

-13

-5

0

0

0

0

±4.5

±7

10

15

19

24

30

28

32

-116

-62

-40

-47

-28

-14

-6

-9

-15

-22

1

6

10

15

15

19

23

10

18

-95

-50

-32

-32

-16

-6

0

0

0

0

±5.5

±9

12

18

23

29

36

34

39

-138

-77

-50

-59

-34

-17

-8

-11

-18

-27

1

7

12

18

18

23

28

18

24

-110

-65

-40

-40

-20

-7

0

0 -13

0

0

±6.5

±10

15

21

28

35

43

41

48

24

30

-162

-98

-61

-73

-41

-20

-9

-21

-33

2

8

15

22

22

28

35

30

40

-120

-80

-50

-50

-25

-9

0

0

0

0

±8

±12

18

25

33

42

51

50

59

-182

-119

-75

-89

-50

-25

-11

-16

-25

-39

2

9

17

26

26

34

43

40

50

-130

-192

50

65

-140

-100

-60

-60

-30

-10

0

0

0

0

±9.5

±15

21

31

39

51

62

60

72

-214

-146

-90

-106

-60

-29

-13

-19

-30

-46

2

11

20

32

32

41

53

65

80

-150

62

78

-224

43

59

80

100

-170

-120

-72

-72

-36

-12

0

0

0

0

±11

±17

25

35

45

59

72

73

93

-257

-174

-107

-126

-71

-34

-15

-22

-35

-54

3

13

23

37

37

51

71

100

120

-180

76

101

-267

54

79

120

140

-200

-145

-85

-85

-43

-14

0

0

0

0

±12.5

±20

28

40

52

68

83

88

117

-300

-208

-125

-148

-83

-39

-18

-25

-40

-63

3

15

27

43

43

63

92

140

160

-210

155

125

-310

100

160

180

-230

93

133

-330

68

108

180

200

-240

-170

-100

-100

-50

-15

0

0

0 -46

0

±14.5

±23

33

46

60

79

96

106

151

-355

-242

-146

-172

-96

-44

-20

-29

-72

14

17

31

50

50

77

122

200

225

-260

109

159

-375

80

130

225

250

-280

113

169

-395

84

140

250

280

-300

-190

-110

-110

-56

-17

0

0 -32

0

0

±16

±26

36

52

66

88

108

126

190

-430

-271

-162

-191

-108

-49

-23

-52

-81

4

20

34

56

56

94

158

280

315

-330

130

202

-460

98

170

315

355

-360

-210

-125

-125

-62

-18

0

0

0

0

±18

±28

40

57

73

98

119

114

226

-500

-299

-182

-214

-119

-54

-25

-36

-57

-89

4

21

37

62

62

108

190

355

400

-400

105

224

540

114

208

400

450

-440

-230

-135

-135

-68

-20

0

0

0

0

±20

±31

45

63

80

108

131

166

272

-540

-327

-198

-232

-131

-60

-27

-40

-63

-97

5

23

40

68

68

126

232

450

500

-480

172

292

-635

132

252

Hole tolerance (ISO)

<

B10

C9

D8

E7

E8

F7

G7

H6

H7

H8

JS7

K7

M7

N7

P7

R7

S7

T7

3

180

85

34

24

28

16

12

6

10

14

±5

0

-2

-4

-6

-10

-14

140

60

20

14

14

6

2

0

0

0

-10

-12

-14

-16

-20

-24

3

6

188

100

48

32

38

22

16

8

12

18

±6

3

0

-4

-8

-11

-15

140

70

30

20

20

10

4

0

0

0

-9

-12

-16

-20

-23

-27

6

10

208

116

62

40

47

28

20

9

15

22

±7

5

0

-4

-9

-13

-17

150

80

40

25

25

13

5

0

0

0

-10

-15

-19

-24

-28

-32

10

14

200

138

77

50

59

34

24

11

18

27

±9

6

0

-5

-11

-16

-21

14

18

150

95

50

32

32

16

6

0

0

0

-12

-18

-23

-29

-34

-39

18

24

244

162

98

61

73

41

28

13

21

33

±10

6

0

-7

-14

-20

-27

24

30

160

110

65

40

40

20

7

0

0

0

-15

-21

-28

-35

-41

-48

-33

-54

30

40

270

182

119

75

89

50

34

16

25

39

±12

7

0

-8

-17

-25

-34

-39

170

120

80

50

50

25

9

0

0

0

-18

-25

-33

-42

-50

-59

-64

40

50

280

192

-45

180

130

-70

50

65

310

214

146

90

106

60

40

19

30

46

±15

9

0

-9

-21

-30

-42

-55

190

140

100

60

60

30

10

0

0

0

-21

-30

-39

-51

-60

-72

-85

65

80

320

224

-32

-48

-64

200

150

-62

-78

-94

80

100

360

257

174

107

125

71

47

22

35

54

±17

10

0

-10

-24

-38

-58

-78

220

170

120

72

72

36

12

0

0

0

-25

-35

-45

-59

-73

-93

-113

100

120

380

267

-41

-66

-91

240

180

-76

-101

-126

120

140

420

300

208

125

148

83

54

25

40

63

±20

12

0

-12

-28

-48

-77

-107

260

200

145

85

85

43

14

0

0

0

-28

-40

-52

-68

-88

-117

-147

140

160

440

310

-50

-85

-119

280

210

-90

-125

-159

160

180

470

330

-53

-93

-131

310

230

-93

-133

-171

180

200

525

355

242

146

172

96

61

29

46

72

±23

13

0

-14

-33

-60

-105

-149

340

240

170

100

100

50

15

0

0

0

-33

-46

-60

-79

-106

-151

-195

200

225

565

375

-63

-113

-163

380

260

-109

-159

-209

225

250

605

395

-67

-123

-179

420

280

-113

-169

-225

250

280

690

430

271

162

191

108

69

32

52

81

±26

16

0

-80

-36

-74

-138

-198

480

300

190

110

110

56

17

0

0

0

-36

-52

-88

-126

-190

-250

280

315

750

460

-78

-150

-220

540

330

-130

-202

-272

315

355

830

500

299

182

214

119

75

36

57

89

±28

17

0

-16

-41

-87

-169

-247

600

360

210

125

125

62

18

0

0

0

-40

-57

-73

-98

-144

-226

-304

355

400

910

540

-93

-187

-273

680

400

-150

-244

-330

400

450

1010

595

327

198

232

131

83

40

63

97

±31

18

0

-17

-45

-103

-209

-307

760

440

230

135

135

135

20

0

0

0

-45

-63

-80

-108

-166

-272

-370

450

500

1090

635

-109

-229

-337

840

480

-172

-292

-400




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