m20螺距

m20螺距

-

2023年3月16日发(作者：玫琳凯中国)

公制螺紋螺距

粗牙223

公称尺寸d螺距P全长L刃长I

M40.705313

M50.805816

M616619

M716619

M81.257222

M91.257222

M101.58024

M111.58525

M121.758929

M1429530

M16210232

M182.511237

M202.511237

M222.511838

M24313045

M27313545

M303.513848

M333.515151

M36416257

M39417060

M424.517060

M454.518767

M48518767

M52520070

细牙224

公称尺寸d螺距P全长L刃长I

M4*0.50.55313

M5*0.50.55816

M6*0.750.756619

M7*0.750.756619

M8*0.750.756619

M8*117222

M9*0.750.756619

M9*117219

M10*0.750.757320

M10*118024

M10*1.251.258024

M11*0.750.757322

M11*118022

M12*118022

M12*1.251.258929

M12*1.51.58929

M14*118722

M14*1.251.259530

M14*1.51.59530

M16*119222

M16*1.51.510232

M18*119722

M18*1.51.511237

M18*2211237

M20*1110222

M20*1.51.511237

M20*2211237

M22*1110924

M22*1.51.511838

M22*2211838

M24*1111424

M24*1.51.513045

M24*2213045

M25*1.51.513045

M25*2213045

M26*1.51.512035

M27*1112025

M27*1.51.512737

M27*2212737

M28*1112025

M28*1.51.512737

M28*2212737

M30*1112025

M30*1.51.512737

M30*2212737

M30*3313848

M32*1.51.513737

M32*2213737

M33*1.51.513737

M33*2213737

M33*3315151

M36*1.51.514439

M36*2214439

M36*3316257

M38*1.51.514939

M39*1.51.514939

M39*2214939

M39*3317060

M40*1.51.514939

M40*2214939

M40*3317060

M42*1.51.514939

M42*2214939

M42*3317060

M45*1.51.516545

M45*2216545

M45*3318767

M48*1.51.516545

M48*2216545

M48*3318767

M50*1.51.516545

M50*2216545

M50*3318767

M52*1.51.517545

M52*2217545

M52*3320070

公制螺紋螺距

粗牙223

公称尺寸d螺距P全长L刃长I

M40.705313

M50.805816

M616619

M716619

M81.257222

M91.257222

M101.58024

M111.58525

M121.758929

M1429530

M16210232

M182.511237

M202.511237

M222.511838

M24313045

M27313545

M303.513848

M333.515151

M36416257

M39417060

M424.517060

M454.518767

M48518767

M52520070

细牙224

公称尺寸d螺距P全长L刃长I

M4*0.50.55313

M5*0.50.55816

M6*0.750.756619

M7*0.750.756619

M8*0.750.756619

M8*117222

M9*0.750.756619

M9*117219

M10*0.750.757320

M10*118024

M10*1.251.258024

M11*0.750.757322

M11*118022

M12*118022

M12*1.251.258929

M12*1.51.58929

M14*118722

M14*1.251.259530

M14*1.51.59530

M16*119222

M16*1.51.510232

M18*119722

M18*1.51.511237

M18*2211237

M20*1110222

M20*1.51.511237

M20*2211237

M22*1110924

M22*1.51.511838

M22*2211838

M24*1111424

M24*1.51.513045

M24*2213045

M25*1.51.513045

M25*2213045

M26*1.51.512035

M27*1112025

M27*1.51.512737

M27*2212737

M28*1112025

M28*1.51.512737

M28*2212737

M30*1112025

M30*1.51.512737

M30*2212737

M30*3313848

M32*1.51.513737

M32*2213737

M33*1.51.513737

M33*2213737

M33*3315151

M36*1.51.514439

M36*2214439

M36*3316257

M38*1.51.514939

M39*1.51.514939

M39*2214939

M39*3317060

M40*1.51.514939

M40*2214939

M40*3317060

M42*1.51.514939

M42*2214939

M42*3317060

M45*1.51.516545

M45*2216545

M45*3318767

M48*1.51.516545

M48*2216545

M48*3318767

M50*1.51.516545

M50*2216545

M50*3318767

M52*1.51.517545

M52*2217545

M52*3320070

螺距大全

普通螺纹直径与螺距系列GB/T193—2003（代替GB/T

193—1981）

直径与螺距标准组合系列

公称直径D、d螺距P

第一

系列

第二

系列

第三

系列

粗牙

细牙

864321.51.2510.750.50.350.250

10.250

1.10.250

1.20.250

1.40.30

1.60.350

1.80.350

20.40.25

2.20.450.25

2.50.450.35

30.50.35

3.50.60.35

40.70.5

4.50.750.5

50.80.5

5.50.5

610.75

710.75

81.2510.75

91.2510.75

101.51.2510.75

111.510.75

121.751.51.251

1421.51.25*1

151.51

1621.51

171.51

182.521.51

202.521.51

222.521.51

24321.51

2521.51

261.5

27321.51

2821.51

303.5(3)21.51

3221.5

333.5(3)21.5

35**1.5

364321.5

381.5

394321.5

40321.5

424.54321.5

454.54321.5

4854321.5

50321.5

5254321.5

554321.5

565.54321.5

584321.5

605.54321.5

624321.5

6464321.5

654321.5

6864321.5

7064321.5

7264321.5

754321.5

7664321.5

782

8064321.5

822

856432

906432

956432

1006432

1056432

1106432

1156432

1206432

12586432

13086432

1356432

14086432

1456432

15086432

155643

1608643

165643

1708643

175643

1808643

185643

1908643

195643

2008643

205643

2108643

215643

2208643

225643

2308643

235643

2408643

245643

2508643

25564

260864

26564

270864

27564

280864

28564

290864

29564

300864

M14×1.25仅用于火花塞。

M35×1.5仅用于滚动轴承锁紧螺母。

螺纹直径应优先选用第一系列，其次是第二系列，最后选用第三系列。

尽可能地避免选用括号内的螺距。

对直径自150至600mm的螺纹，若需要使用螺距大于6mm的螺纹，则应优先选用8mm的

螺距。

最大公称直径

单位为毫米

螺距最大公称直径

0.522

0.7533

180

1.5150

2200

3300

普通螺纹直径与螺距系列GB/T193—2003（代替GB/T

193—1981）

Generalpurposemetricscrewthreads-Generalplan

直径与螺距标准组合系列

公称直径D、d螺距P

第一

系列

第二

系列

第三

系列

粗牙

细牙

864321.51.2510.750.50.350.250

10.250

1.10.250

1.20.250

1.40.30

1.60.350

1.80.350

20.40.25

2.20.450.25

2.50.450.35

30.50.35

3.50.60.35

40.70.5

4.50.750.5

50.80.5

5.50.5

610.75

710.75

81.2510.75

91.2510.75

101.51.2510.75

111.510.75

121.751.51.251

1421.51.25*1

151.51

1621.51

171.51

182.521.51

202.521.51

222.521.51

24321.51

2521.51

261.5

27321.51

2821.51

303.5(3)21.51

3221.5

333.5(3)21.5

35**1.5

364321.5

381.5

394321.5

40321.5

424.54321.5

454.54321.5

4854321.5

50321.5

5254321.5

554321.5

565.54321.5

584321.5

605.54321.5

624321.5

6464321.5

654321.5

6864321.5

7064321.5

7264321.5

754321.5

7664321.5

782

8064321.5

822

856432

906432

956432

1006432

1056432

1106432

1156432

1206432

12586432

13086432

1356432

14086432

1456432

15086432

155643

1608643

165643

1708643

175643

1808643

185643

1908643

195643

2008643

205643

2108643

215643

2208643

225643

2308643

235643

2408643

245643

2508643

25564

260864

26564

270864

27564

280864

28564

290864

29564

300864

M14×1.25仅用于火花塞。

M35×1.5仅用于滚动轴承锁紧螺母。

螺纹直径应优先选用第一系列，其次是第二系列，最后选用第三系列。

尽可能地避免选用括号内的螺距。

对直径自150至600mm的螺纹，若需要使用螺距大于6mm的螺纹，则应优先选用8mm的

螺距。

最大公称直径

单位为毫米

螺距最大公称直径

0.522

0.7533

180

1.5150

2200

3300