米制普通螺纹(M)

公称直径(大径)

D，d

螺 距

P

中  径

D₂，d₂

小  径

D₁，d₁

1

0.25

0.838

0.729

0.2

0.870

0.783

1.1

0.25

0.938

0.829

0.2

0.970

0.883

1.2

0.25

1.038

0.929

0.2

1.070

0.983

1.4

0.3

1.205

1.075

0.2

1.270

1.183

1.6

0.35

1.373

1.221

0.2

1.470

1.383

1.8

0.35

1.573

1.421

0.2

1.670

1.583

2

0.4

1.740

1.567

0.25

1.838

1.729

2.2

0.45

1.908

1.713

0.25

2.038

1.929

2.5

0.45

2.208

2.013

0.35

2.273

2.121

3

0.5

2.675

2.459

0.35

2.773

2.621

3.5

0.6

3.110

2.850

0.5

3.273

3.121

4

0.7

3.545

3.242

0.5

3.675

3.459

4.5

0.75

4.013

3.688

0.5

4.175

3.959

5

0.8

4.480

4.134

0.5

4.675

4.459

5.5

0.5

5.175

4.959

6

1

5.350

4.917

0.75

5.513

5.188

7

1

6.350

5.917

0.75

6.513

6.188

8

1.25

7.188

6.647

1

7.350

6.917

0.75

7.513

7.188

9

1.25

8.188

7.647

1

8.350

7.917

0.75

8.513

8.188

10

1.5

9.026

8.376

1.25

9.188

8.647

1

9.350

8.917

0.75

9.513

9.188

11

1.5

10.026

9.376

1

10.350

9.917

0.75

10.513

10.188

12

1.75

10.863

10.106

1.5

11.026

10.376

1.25

11.188

10.647

1

11.350

10.917

14

2

12.701

11.835

1.5

13.026

12.376

1.25

13.188

12.647

1

13.350

12.917

15

1.5

14.026

13.376

1

14.350

13.917

16

2

14.701

13.835

1.5

15.026

14.376

1

15.350

14.917

17

1.5

16.026

15.376

1

16.350

15.917

18

2.5

16.376

15.294

2

16.701

15.835

1.5

17.026

16.376

1

17.350

16.917

20

2.5

18.376

17.294

2

18.701

17.835

1.5

19.026

18.376

1

19.350

18.917

22

2.5

20.376

19.294

2

20.701

19.835

1.5

21.026

20.376

1

21.350

20.917

24

3

22.051

20.752

2

22.701

21.835

1.5

23.026

22.376

1

23.350

22.917

25

2

23.701

22.835

1.5

24.026

23.376

1

24.350

23.917

26

1.5

25.026

24.376

27

3

25.051

23.752

2

25.701

24.835

1.5

26.026

25.376

1

26.350

25.917

28

2

26.701

25.835

1.5

27.026

26.376

1

27.350

26.917

30

3.5

27.727

26.211

3

28.051

26.752

2

28.701

27.835

1.5

29.026

28.376

1

29.350

28.917

32

2

30.701

29.835

1.5

31.026

30.376

33

3.5

30.727

29.211

3

31.051

29.752

2

31.701

30.835

1.5

32.026

31.376

35

1.5

34.026

33.376

36

4

33.402

31.670

3

34.051

32.752

2

34.701

33.835

1.5

35.026

34.376

38

1.5

37.026

36.376

39

4

36.402

34.670

3

37.051

35.752

2

37.701

36.835

1.5

38.026

37.376

40

3

38.051

36.752

2

38.701

37.835

1.5

39.026

38.376

42

4.5

39.077

37.129

4

39.402

37.670

3

40.051

38.752

2

40.701

39.835

1.5

41.026

40.376

45

4.5

42.077

40.129

4

42.402

40.670

3

43.051

41.752

2

43.701

42.835

1.5

44.026

73.376

48

5

44.752

42.587

4

45.402

43.670

3

46.051

44.752

2

46.701

45.835

1.5

47026

46.376

3

48.051

46.752

50

2

48.701

47.835

1.5

49.026

48.376

5

48.752

46.587

4

49.402

47.670

52

3

50.051

48.752

2

50.701

49.835

1.5

51.026

50.376

55

4

52.402

50.670

3

53.051

51.752

2

53.701

52.835

1.5

54.026

53.376

5.5

52.428

50.046

4

53.402

51.670

56

3

54.051

52.752

2

54.701

53.835

1.5

55.026

54.376

58

4

55.402

53.670

3

56.051

54.752

2

56.701

55.835

1.5

57.026

56.376

5.5

56.428

54.046

4

57.402

55.670

60

3

58.051

56.752

2

58.701

57.835

1.5

59.026

58.376

62

4

59.402

57.670

3

60.051

58.752

2

60.701

59.835

1.5

61.026

60.376

6

60.103

57.505

4

61.402

59.670

64

3

62.051

60.752

2

62.701

61.835

1.5

63.026

62.376

65

4

62.402

60.670

3

63.051

61.752

2

63.701

62.835

1.5

64.026

63.376

6

64.103

61.505

4

65.402

63.670

68

3

66.051

64.752

2

66.701

65.835

1.5

67.026

66.376

6

66.103

63.505

4

67.402

65.670

70

3

68.051

66.752

2

68.701

67.835

1.5

69.026

68.376

6

68.103

65.505

4

69.402

67.670

72

3

70.051

68.752

2

70.701

69.835

1.5

71.026

70.376

75

4

72.402

70.670

3

73.051

71.752

2

73.701

72.835

1.5

74.026

73.376

6

72.103

69.505

4

73.402

71.670

76

3

74.051

72.752

2

74.701

73.835

1.5

75.026

74.376

78

2

76.700

75.835

6

76.103

73.505

4

77.402

75.670

80

3

78.051

76.752

2

78.701

77.835

1.5

79.026

78.376

82

2

80.701

79.835

85

6

81.103

78.505

4

82.402

80.670

3

83.051

81.752

2

83.701

82.835

90

6

86.103

83.505

4

87.402

85.670

3

88.051

86.752

2

88.701

87.835

95

6

91.103

88.505

4

92.402

90.670

3

93.051

91.752

2

93.701

92.835

100

6

96.103

93.505

4

97.402

95.670

3

98.051

96.752

2

98.701

97.835

105

6

101.103

98.505

4

102.402

100.670

3

103.051

101.752

2

103.701

102.835

110

6

106.103

103.505

4

107.402

105.670

3

108.051

106.752

2

108.701

107.835

115

6

111.103

108.505

4

112.402

110.670

3

113.051

111.752

2

113.701

112.835

120

6

116.103

113.505

4

117.402

115.670

3

118.051

116.752

2

118.701

117.835

125

6

121.103

118.505

4

122.402

120.670

3

123.051

121.752

2

123.701

122.835

130

6

126.103

123.505

4

127.402

125.670

3

128.051

126.752

2

128.701

127.835

135

6

131.103

128.505

4

132.402

130.670

3

133.051

131.752

2

133.701

132.835

140

6

136.103

133.505

4

137.402

135.670

3

138.051

136.752

2

138.701

137.835

145

6

141.103

138.505

4

142.402

140.670

3

143.051

141.752

2

143.701

142.835

8

144.804

141.340

6

146.103

143.505

150

4

147.402

145.670

3

148.051

146.752

2

148.701

147.835

6

151.103

148.505

155

4

152.402

150.670

3

153.051

151.752

160

8

154.804

151.340

6

156.103

153.505

4

157.402

155.670

3

158.051

156.752

6

161.103

158.505

165

4

162.402

160.670

3

163.051

161.752

170

8

164.804

161.340

6

166.103

163.505

4

167.402

165.670

3

168.051

166.752

6

171.103

168.505

175

4

172.402

170.670

3

173.051

171.752

180

8

174.804

171.340

6

176.103

173.505

4

177.402

175.670

3

178.051

176.752

6

181.103

178.505

185

4

182.402

180.670

3

183.051

181.752

190

8

184.804

181.340

6

186.103

183.505

4

187.402

185.670

3

188.051

186.752

6

191.103

188.505

195

4

192.402

190.670

3

193.051

191.752

200

8

194.804

191.340

6

196.103

193.505

4

197.402

195.670

3

198.051

196.752

6

201.103

198.505

205

4

202.402

200.670

3

203.051

201.752

210

8

204.804

201.340

6

206.103

203.505

4

207.402

205.670

3

208.051

206.752

6

211.103

208.505

215

4

212.402

210.670

3

213.051

211.752

220

8

214.804

211.340

6

216.103

213.505

4

217.105

215.670

3

218.051

216.752

6

221.103

218.505

225

4

222.402

220.670

3

223.051

211.752

230

8

224.804

221.340

6

226.103

223.505

4

227.402

225.670

3

228.051

226.752

6

231.103

228.505

235

4

232.402

230.670

3

233.051

231.752

240

8

234.804

231.340

6

236.103

233.505

4

237.402

235.670

3

238.051

236.752

6

241.103

238.505

245

4

242.402

240.670

3

243.051

241.752

250

8

244.804

241.340

6

246.103

243.505

4

247.402

245.670

3

248.051

246.752

255

6

251.103

248.505

4

252.402

250.670

8

254.804

251.340

260

6

256.103

253.505

4

257.402

255.670

265

6

261.103

258.505

4

262.402

260.670

8

264.804

261.340

270

6

266.103

263.505

4

267.402

265.670

275

6

271.103

268.505

4

272.402

270.670

8

274.804

271.340

280

6

276.103

273.505

4

277.402

275.670

285

6

281.103

278.505

4

282.402

280.670

8

284.804

281.340

290

6

286.103

283.505

4

287.402

285.670

295

6

291.103

288.505

4

292.402

290.670

8

294.804

291.340

300

6

296.103

293.505

4

297.402

295.670

公称直径(大径)

D，d

螺 距

P

中  径

D₂，d₂

小  径

D₁，d₁

1

0.25

0.838

0.729

0.2

0.870

0.783

1.1

0.25

0.938

0.829

0.2

0.970

0.883

1.2

0.25

1.038

0.929

0.2

1.070

0.983

1.4

0.3

1.205

1.075

0.2

1.270

1.183

1.6

0.35

1.373

1.221

0.2

1.470

1.383

1.8

0.35

1.573

1.421

0.2

1.670

1.583

2

0.4

1.740

1.567

0.25

1.838

1.729

2.2

0.45

1.908

1.713

0.25

2.038

1.929

2.5

0.45

2.208

2.013

0.35

2.273

2.121

3

0.5

2.675

2.459

0.35

2.773

2.621

3.5

0.6

3.110

2.850

0.5

3.273

3.121

4

0.7

3.545

3.242

0.5

3.675

3.459

4.5

0.75

4.013

3.688

0.5

4.175

3.959

5

0.8

4.480

4.134

0.5

4.675

4.459

5.5

0.5

5.175

4.959

6

1

5.350

4.917

0.75

5.513

5.188

7

1

6.350

5.917

0.75

6.513

6.188

8

1.25

7.188

6.647

1

7.350

6.917

0.75

7.513

7.188

9

1.25

8.188

7.647

1

8.350

7.917

0.75

8.513

8.188

10

1.5

9.026

8.376

1.25

9.188

8.647

1

9.350

8.917

0.75

9.513

9.188

11

1.5

10.026

9.376

1

10.350

9.917

0.75

10.513

10.188

12

1.75

10.863

10.106

1.5

11.026

10.376

1.25

11.188

10.647

1

11.350

10.917

14

2

12.701

11.835

1.5

13.026

12.376

1.25

13.188

12.647

1

13.350

12.917

15

1.5

14.026

13.376

1

14.350

13.917

16

2

14.701

13.835

1.5

15.026

14.376

1

15.350

14.917

17

1.5

16.026

15.376

1

16.350

15.917

18

2.5

16.376

15.294

2

16.701

15.835

1.5

17.026

16.376

1

17.350

16.917

20

2.5

18.376

17.294

2

18.701

17.835

1.5

19.026

18.376

1

19.350

18.917

22

2.5

20.376

19.294

2

20.701

19.835

1.5

21.026

20.376

1

21.350

20.917

24

3

22.051

20.752

2

22.701

21.835

1.5

23.026

22.376

1

23.350

22.917

25

2

23.701

22.835

1.5

24.026

23.376

1

24.350

23.917

26

1.5

25.026

24.376

27

3

25.051

23.752

2

25.701

24.835

1.5

26.026

25.376

1

26.350

25.917

28

2

26.701

25.835

1.5

27.026

26.376

1

27.350

26.917

30

3.5

27.727

26.211

3

28.051

26.752

2

28.701

27.835

1.5

29.026

28.376

1

29.350

28.917

32

2

30.701

29.835

1.5

31.026

30.376

33

3.5

30.727

29.211

3

31.051

29.752

2

31.701

30.835

1.5

32.026

31.376

35

1.5

34.026

33.376

36

4

33.402

31.670

3

34.051

32.752

2

34.701

33.835

1.5

35.026

34.376

38

1.5

37.026

36.376

39

4

36.402

34.670

3

37.051

35.752

2

37.701

36.835

1.5

38.026

37.376

40

3

38.051

36.752

2

38.701

37.835

1.5

39.026

38.376

42

4.5

39.077

37.129

4

39.402

37.670

3

40.051

38.752

2

40.701

39.835

1.5

41.026

40.376

45

4.5

42.077

40.129

4

42.402

40.670

3

43.051

41.752

2

43.701

42.835

1.5

44.026

73.376

48

5

44.752

42.587

4

45.402

43.670

3

46.051

44.752

2

46.701

45.835

1.5

47026

46.376

3

48.051

46.752

50

2

48.701

47.835

1.5

49.026

48.376

5

48.752

46.587

4

49.402

47.670

52

3

50.051

48.752

2

50.701

49.835

1.5

51.026

50.376

55

4

52.402

50.670

3