英制管螺纹尺寸表

英制管螺纹尺寸表

公称口径

mm

in

外径

公

称

尺

寸

mm

10.0

13.5

17.0

21.3

26.8

33.5

42.3

48

60.0

75.5

88.5

114.0

140.0

165.0

允

许

偏

差

普通钢管

壁厚

公

称< /p>

尺

寸

mm

2.00

2.25

2.25

2.75

2.75

3.25

3.25

3.50

3.50

3.75

4.00

4.00

4.00

4.50

理论重量

允许偏差

kg/m

%

＋

12

－

15

0.39

0.62

0.82

1.26

1.63

2.42

3.13

3.84

4.88

6.64

8.34

10.85

13.42

17.81

加厚钢管

壁厚

公称尺寸

允许偏差

mm

%

2.50

2.75

2.75

3.25

3.50

4.00

4.00

4.25

4.50

4.50

4.75

5.00

5.50

5.50

＋

12

－

15

理

论

重

量

kg/m

0.46

0.73

0.97

1.45

2.01

2.91

3.78

4.58

6.16

7.88

9.81

13.44

18.24

21.63

6

8

10

15

20

25

32

40

50

65

80

100

125

150

1/8

1/4

3/8

1/2

3/4

1

1

1/4

11/2

2

2

1/2

3

4

5

6

±

0.50

mm

±

1%

尺寸代号

每寸牙数

大径

中径

小径

建议底孔

基准距离

牙数

1/8

27

10.242

9.489

8.736

φ8.6

4.102

4.

36

1/4

18

13.616

12.487

11.358

φ11.1

5.786

4.10

3/8

18

17.055

15.926

14.797

φ14.5

6.096

4.32

1/2

14

21.223

19.772

18.321

φ17.9

8.128

4.48

3/4

14

26.568

25.117

23.666

φ23.2

8.611

4.75

1

11.5

33.228

31.461

29.694

φ29.2

10.160

4.60

1-1/4

11.5

41.985

40.218

38.451

φ37.9

10.668

4.83

1-1/2

11.5

48.054

46.287

44.520

φ43.9

10.668

4.83

管螺纹

(G)

系列螺纹丝套规格、型式尺寸 及安装参数表

钻孔深度

管螺纹规格

公称直径

螺距

公称长度

L1(mm)

尺寸

攻丝深度

L2(mm)

min

5.68

7.61

9.54

13.40

17.26

21.12

24.98

28.84

32.71

6.68

9.11

11.54

16.41

21.27

26.14

31.00

35.87

40.73

9.25

12.54

15.83

22.41

28.99

35.57

42.15

48.73

55.31

11.01

15.17

19.34

27.67

切削丝锥

min

7.90

7.90

7.90

7.90

7.90

7.90

7.90

7.90

7.90

9.91

9.91

9.91

9.91

9.91

9.91

9.91

9.91

9.91

13.42

13.42

13.42

13.42

13.42

13.42

13.42

13.42

13.42

16.93

16.93

16.93

16.93

max

7.99

7.99

7.99

7.99

7.99

7.99

7.99

7.99

7.99

10.00

10.00

10.00

10.00

10.00

10.00

10.00

10.00

10.00

13.56

13.56

13.56

13.56

13.56

13.56

13.56

13.56

13.56

17.06

17.06

17.06

17.06

钻孔直径

(mm)

挤压丝锥

min

8.42

8.42

8.42

8.42

8.42

8.42

8.42

8.42

8.42

10.43

10.43

10.43

10.43

10.43

10.43

10.43

10.43

10.43

14.19

14.19

14.19

14.19

14.19

14.19

14.19

14.19

14.19

17.69

17.69

17.69

17.69

max

8.51

8.51

8.51

8.51

8.51

8.51

8.51

8.51

8.51

10.52

10.52

10.52

10.52

10.52

10.52

10.52

10.52

10.52

14.32

14.32

14.32

14.32

14.32

14.32

14.32

14.32

14.32

17.82

17.82

17.82

17.82

牙数

n

28

28

28

28

28

28

28

28

28

28

28

28

28

28

28

28

28

28

19

19

19

19

19

19

19

19

19

19

19

19

19

d(mm)

7.723

7.723

7.723

7.723

7.723

7.723

7.723

7.723

7.723

9.729

9.729

9.729

9.729

9.729

9.729

9.729

9.729

9.729

13.158

13.158

13.158

13.158

13.158

13.158

13.158

13.158

13.158

16.663

16.663

16.663

16.663

p(mm)

0.907

xd

0.5d

L(mm)

3.86

5.79

7.72

11.58

15.45

19.31

23.17

27.03

30.89

4.86

7.30

9.73

14.59

19.46

24.32

29.19

34.05

38.92

6.58

9.87

13.16

19.74

26.32

32.90

39.47

46.05

52.63

8.33

12.50

16.66

24.99

min

7.94

9.87

11.80

15.67

19.53

23.39

27.25

31.11

34.97

8.95

11.38

13.81

18.68

23.54

28.40

33.27

38.13

43.00

12.60

15.89

19.17

25.75

32.33

38.91

45.49

52.07

58.65

14.35

18.51

22.68

31.01

1/16

1/16

1/16

1/16

1/16

1/16

1/16

1/16

1/16

1/8

1/8

1/8

1/8

1/8

1/8

1/8

1/8

1/8

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

1/4

3/8

3/8

3/8

3/8

0.907

0.75d

0.907

0.907

0.907

0.907

0.907

0.907

0.907

0.907

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

0.907

0.75d

0.907

0.907

0.907

0.907

0.907

0.907

0.907

1.337

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

1.337

0.75d

1.337

1.337

1.337

1.337

1.337

1.337

1.337

1.337

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

1.337

0.75d

1.337

1.337

1d

1.5d

3/8

3/8

3/8

3/8

3/8

1/2

1/2

1/2

1/2

1/2

1/2

1/2

1/2

1/2

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

5/8

3/4

3/4

3/4

3/4

3/4

3/4

3/4

3/4

3/4

7/8

7/8

7/8

7/8

7/8

7/8

7/8

7/8

7/8

1

19

19

19

19

19

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

14

11

16.663

16.663

16.663

16.663

16.663

20.956

20.956

20.956

20.956

20.956

20.956

20.956

20.956

20.956

22.912

22.912

22.912

22.912

22.912

22.912

22.912

22.912

22.912

26.442

26.442

26.442

26.442

26.442

26.442

26.442

26.442

26.442

30.202

30.202

30.202

30.202

30.202

30.202

30.202

30.202

30.202

33.250

1.337

1.337

1.337

1.337

1.337

1.814

2d

2.5d

3d

3.5d

4d

0.5d

33.33

41.66

49.99

58.32

66.65

10.48

15.72

20.96

31.43

41.91

52.39

62.87

73.35

83.82

11.46

17.18

22.91

34.37

45.82

57.28

68.74

80.19

91.65

13.22

19.83

26.44

39.66

52.88

66.11

79.33

92.55

105.77

15.10

22.65

30.20

45.30

60.40

75.51

90.61

105.71

120.81

16.63

39.34

47.67

56.01

64.34

72.67

18.64

23.88

29.12

39.60

50.08

60.55

71.03

81.51

91.99

19.62

25.35

31.08

42.53

53.99

65.44

76.90

88.36

99.81

21.38

27.99

34.61

47.83

61.05

74.27

87.49

100.71

113.93

23.26

30.81

38.37

53.47

68.57

83.67

98.77

113.87

128.97

27.02

36.00

44.33

52.66

60.99

69.33

14.11

19.35

24.58

35.06

45.54

56.02

66.50

76.97

87.45

15.08

20.81

26.54

38.00

49.45

60.91

72.36

83.82

95.28

16.85

23.46

30.07

43.29

56.51

69.73

82.95

96.18

109.40

18.73

26.28

33.83

48.93

64.03

79.13

94.23

109.34

124.44

21.24

16.93

16.93

16.93

16.93

16.93

21.32

21.32

21.32

21.32

21.32

21.32

21.32

21.32

21.32

23.27

23.27

23.27

23.27

23.27

23.27

23.27

23.27

23.27

26.80

26.80

26.80

26.80

26.80

26.80

26.80

26.80

26.80

30.56

30.56

30.56

30.56

30.56

30.56

30.56

30.56

30.56

33.71

17.06

17.06

17.06

17.06

17.06

21.50

21.50

21.50

21.50

21.50

21.50

21.50

21.50

21.50

23.45

23.45

23.45

23.45

23.45

23.45

23.45

23.45

23.45

26.98

26.98

26.98

26.98

26.98

26.98

26.98

26.98

26.98

30.74

30.74

30.74

30.74

30.74

30.74

30.74

30.74

30.74

33.94

17.69

17.69

17.69

17.69

17.69

22.35

22.35

22.35

22.35

22.35

22.35

22.35

22.35

22.35

24.31

24.31

24.31

24.31

24.31

24.31

24.31

24.31

24.31

27.84

27.84

27.84

27.84

27.84

27.84

27.84

27.84

27.84

31.60

31.60

31.60

31.60

31.60

31.60

31.60

31.60

31.60

35.03

17.82

17.82

17.82

17.82

17.82

22.53

22.53

22.53

22.53

22.53

22.53

22.53

22.53

22.53

24.49

24.49

24.49

24.49

24.49

24.49

24.49

24.49

24.49

28.02

28.02

28.02

28.02

28.02

28.02

28.02

28.02

28.02

31.78

31.78

31.78

31.78

31.78

31.78

31.78

31.78

31.78

35.26

1.814

0.75d

1.814

1.814

1.814

1.814

1.814

1.814

1.814

1.814

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

1.814

0.75d

1.814

1.814

1.814

1.814

1.814

1.814

1.814

1.814

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

1.814

0.75d

1.814

1.814

1.814

1.814

1.814

1.814

1.814

1.814

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

1.814

0.75d

1.814

1.814

1.814

1.814

1.814

1.814

1.814

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

1

1

1

1

1

1

1

1

1 1/8

1 1/8

1 1/8

1 1/8

1 1/8

1 1/8

1 1/8

1 1/8

1 1/8

1 1/4

1 1/4

1 1/4

1 1/4

1 1/4

1 1/4

1 1/4

1 1/4

1 1/4

1 1/2

1 1/2

1 1/2

1 1/2

1 1/2

1 1/2

1 1/2

1 1/2

1 1/2

1 3/4

1 3/4

1 3/4

1 3/4

1 3/4

1 3/4

1 3/4

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

33.250

33.250

33.250

33.250

33.250

33.250

33.250

33.250

37.898

37.898

37.898

37.898

37.898

37.898

37.898

37.898

37.898

41.912

41.912

41.912

41.912

41.912

41.912

41.912

41.912

41.912

47.805

47.805

47.805

47.805

47.805

47.805

47.805

47.805

47.805

53.748

53.748

53.748

53.748

53.748

53.748

53.748

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

24.94

33.25

49.88

66.50

83.13

99.75

116.38

133.00

18.95

28.42

37.90

56.85

75.80

94.75

113.69

132.64

151.59

20.96

31.43

41.91

62.87

83.82

104.78

125.74

146.69

167.65

23.90

35.85

47.81

71.71

95.61

119.51

143.42

167.32

191.22

26.87

40.31

53.75

80.62

107.50

134.37

161.24

35.33

43.64

60.27

76.89

93.52

110.14

126.77

143.39

29.34

38.81

48.29

67.24

86.19

105.14

124.08

143.03

161.98

31.35

41.82

52.30

73.26

94.21

115.17

136.13

157.08

178.04

34.29

46.24

58.20

82.10

106.00

129.90

153.81

177.71

201.61

37.26

50.70

64.14

91.01

117.89

144.76

171.63

29.56

37.87

54.49

71.12

87.74

104.37

120.99

137.62

23.57

33.04

42.52

61.47

80.41

99.36

118.31

137.26

156.21

25.57

36.05

46.53

67.49

88.44

109.40

130.35

151.31

172.27

28.52

40.47

52.42

76.33

100.23

124.13

148.03

171.94

195.84

31.49

44.93

58.37

85.24

112.11

138.99

165.86

33.71

33.71

33.71

33.71

33.71

33.71

33.71

33.71

38.36

38.36

38.36

38.36

38.36

38.36

38.36

38.36

38.36

42.37

42.37

42.37

42.37

42.37

42.37

42.37

42.37

42.37

48.26

48.26

48.26

48.26

48.26

48.26

48.26

48.26

48.26

54.21

54.21

54.21

54.21

54.21

54.21

54.21

33.94

33.94

33.94

33.94

33.94

33.94

33.94

33.94

38.59

38.59

38.59

38.59

38.59

38.59

38.59

38.59

38.59

42.60

42.60

42.60

42.60

42.60

42.60

42.60

42.60

42.60

48.50

48.50

48.50

48.50

48.50

48.50

48.50

48.50

48.50

54.44

54.44

54.44

54.44

54.44

54.44

54.44

35.03

35.03

35.03

35.03

35.03

35.03

35.03

35.03

39.67

39.67

39.67

39.67

39.67

39.67

39.67

39.67

39.67

43.69

43.69

43.69

43.69

43.69

43.69

43.69

43.69

43.69

49.58

49.58

49.58

49.58

49.58

49.58

49.58

49.58

49.58

55.52

55.52

55.52

55.52

55.52

55.52

55.52

35.26

35.26

35.26

35.26

35.26

35.26

35.26

35.26

39.90

39.90

39.90

39.90

39.90

39.90

39.90

39.90

39.90

43.92

43.92

43.92

43.92

43.92

43.92

43.92

43.92

43.92

49.81

49.81

49.81

49.81

49.81

49.81

49.81

49.81

49.81

55.75

55.75

55.75

55.75

55.75

55.75

55.75

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

1 3/4

1 3/4

2

2

2

2

2

2

2

2

2

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

2 1/4

2 1/2

2 1/2

2 1/2

2 1/2

2 1/2

2 1/2

2 1/2

2 1/2

2 1/2

2 3/4

2 3/4

2 3/4

2 3/4

2 3/4

2 3/4

2 3/4

2 3/4

2 3/4

3

3

3

3

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

11

53.748

53.748

59.616

59.616

59.616

59.616

59.616

59.616

59.616

59.616

59.616

65.712

65.712

65.712

65.712

65.712

65.712

65.712

65.712

65.712

75.187

75.187

75.187

75.187

75.187

75.187

75.187

75.187

75.187

81.534

81.534

81.534

81.534

81.534

81.534

81.534

81.534

81.534

87.884

87.884

87.884

87.884

2.309

2.309

2.309

3.5d

4d

0.5d

188.12

214.99

29.81

44.71

59.62

89.42

119.23

149.04

178.85

208.66

238.46

32.86

49.28

65.71

98.57

131.42

164.28

197.14

229.99

262.85

37.59

56.39

75.19

112.78

150.37

187.97

225.56

263.15

300.75

40.77

61.15

81.53

122.30

163.07

203.84

244.60

285.37

326.14

43.94

65.91

87.88

131.83

198.51

225.38

40.20

55.10

70.01

99.81

129.62

159.43

189.24

219.05

248.85

43.25

59.67

76.10

108.96

141.81

174.67

207.53

240.38

273.24

47.98

66.78

85.58

123.17

160.76

198.36

235.95

273.55

311.14

51.16

71.54

91.92

132.69

173.46

214.23

254.99

295.76

336.53

54.33

76.30

98.27

142.22

192.74

219.61

34.43

49.33

64.23

94.04

123.85

153.66

183.47

213.27

243.08

37.47

53.90

70.33

103.19

136.04

168.90

201.75

234.61

267.47

42.21

61.01

79.81

117.40

154.99

192.59

230.18

267.77

305.37

45.39

65.77

86.15

126.92

167.69

208.45

249.22

289.99

330.75

48.56

70.53

92.50

136.44

54.21

54.21

60.08

60.08

60.08

60.08

60.08

60.08

60.08

60.08

60.08

66.17

66.17

66.17

66.17

66.17

66.17

66.17

66.17

66.17

75.65

75.65

75.65

75.65

75.65

75.65

75.65

75.65

75.65

81.99

81.99

81.99

81.99

81.99

81.99

81.99

81.99

81.99

88.34

88.34

88.34

88.34

54.44

54.44

60.31

60.31

60.31

60.31

60.31

60.31

60.31

60.31

60.31

66.40

66.40

66.40

66.40

66.40

66.40

66.40

66.40

66.40

75.88

75.88

75.88

75.88

75.88

75.88

75.88

75.88

75.88

82.22

82.22

82.22

82.22

82.22

82.22

82.22

82.22

82.22

88.57

88.57

88.57

88.57

55.52

55.52

61.39

61.39

61.39

61.39

61.39

61.39

61.39

61.39

61.39

67.49

67.49

67.49

67.49

67.49

67.49

67.49

67.49

67.49

76.96

76.96

76.96

76.96

76.96

76.96

76.96

76.96

76.96

83.31

83.31

83.31

83.31

83.31

83.31

83.31

83.31

83.31

89.66

89.66

89.66

89.66

55.75

55.75

61.62

61.62

61.62

61.62

61.62

61.62

61.62

61.62

61.62

67.72

67.72

67.72

67.72

67.72

67.72

67.72

67.72

67.72

77.19

77.19

77.19

77.19

77.19

77.19

77.19

77.19

77.19

83.54

83.54

83.54

83.54

83.54

83.54

83.54

83.54

83.54

89.89

89.89

89.89

89.89

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

2.309

0.75d

2.309

2.309

2.309

2.309

2.309

2.309

2.309

2.309

1d

1.5d

2d

2.5d

3d

3.5d

4d

0.5d

2.309

0.75d

2.309

2.309

1d

1.5d