螺纹规格对照表

1、螺纹底孔径螺纹尺寸钻头直径段合度区分：中由2级往2>下孔径段合度区分：中（注1）2级（注2）内螺纹小径最小直径最大直径M1 X0. 250. 750.78 (80%)0.7290. 7851. 1 X0. 250. 850.88 (80%)0. 8290. 8851.2 X0. 250.950.98 (80%)0. 9290. 9851.4 X 0. 31. 11. 14 (80%)1.0751. 1421.6 X0. 351.251.32 (75%)1.2211.3211.8 X0. 351.451.52 (75%)1.4211.5212 X 0.41.61.65 (80%)1.567

2、1.6792. 2 X0.451.751.83 (75%)1.7131.8382. 5 X0.452. 12. 13(75%)2.0132. 1383 X 0.52.52.59(75%)2.4592.5993.5 X 0.62.93.01(75%)2.8503.0104 X 0.73. 33. 39(80%)3.2423.4224. 5 X0. 753.83. 85(80%)3.6883.8785 X 0.84.24. 31(80%)4. 1344. 3346 X 155. 13(80%)4.9175. 1537 X 166. 13(80%)5.9176. 1538 X1.256.86. 85

3、(85%)6. 6476.9129 X1.257.87. 85(85%)7. 6477.91210 X 1.58.58. 62(85%)8. 3768.67611 X1.59.59.62(85%)9. 3769.67612 X1.7510. 310. 40(85%)10. 10610.44114 X 21212.2(85%)11.83512.21016X21414.2(85%)13. 83514. 21018 X15.515.7(85%)15. 29415. 7442.520 X2.517.517. 7(85%)17. 29417. 74422 X2.519.519.2(85%)19. 294

4、19.74424 X 32121.2(85%)20. 75221.25227 X 32424.2(85%)23. 75224. 25230 X3.526.526.6(90%)26. 21126. 77133 X3.529.529.6(90%)29.21129. 77136 X 43232. 1(90%)31.67032. 27039 X 43535. 1(90%)34. 67035. 27042 X 4. 537.537.6(90%)37. 12937. 79945 X 4.540.540.6(90%)40. 12940. 79948 X 54343. 1(90%)42. 58743. 297

5、JIS B公制粗牙螺纹0209-1982（单位：rran）注（1）M1.4以下等级：5H、M1.6以上等级：6H 基于J IS B 0209-1982标准螺纹下孔径表公制细牙螺纹JIS B 0211-1982（单位:螺纹尺寸钻头直径段合度区分：中的,2级：下孔径段合度区分：中（注1）2级（注2）内螺纹小径最小直径最大直径M2. 5 X0. 352.22.22 (75%)2. 1212.2213 X0. 352.72.72 (75%)2.6212.7213. 5 X0. 353.23.22 (75%)3. 1213.2214 X 0.53.53.59 (75%)3.4593.5994.5 X 0

6、.544.09 (75%)3.9594. 0995 X 0.54.54.59 (75%)4. 4594. 5995.5 X 0.555.09 (75%)4. 9595.0996 X0. 755.35.35 (80%)5. 1885. 3787 X6. 36.35 (80%)6. 1886. 3780. 758 X 177. 13 (80%)6.9177. 1538 X0. 757. 37.35 (80%)7. 1887. 3789 X 188. 13 (80%)7.9178. 1539 X0. 758.38.35 (80%)8. 1888. 37810 X1.258.88.85 (85%)8.

7、 6478.91210 X 199. 13 (80%)8.9179. 15310 X0. 759.39.35 (80%)9. 1889. 37811 X 11010. 13 (80%)9.91710. 15311 X 0.7510.310.35 (80%)10. 18810. 37812 X 1.510.510.62 (85%)10. 37610. 67612 X 1.2510.810.85 (85%)10. 64710. 91212 X 11111. 13 (80%)10.91711.15314 X 1.512.512.62 (85%)12. 37612.67614 X 11313. 13

8、(80%)12.91713. 15315 X 1.513.513. 62 (85%)13. 37613.67615 X 11414. 13 (80%)13.91714. 15316 X 1.514.514.62 (85%)14. 37614. 67616 X 11515. 13 (80%)14.91715. 15317 X 1.515.515.62 (85%)15. 37615.67617 X 11616. 13 (80%)15.91716. 15318 X 21616. 2(85%)15.83516.21018 X 1.516.516. 62 (85%)16. 37616. 67618 X

9、11717. 13 (80%)16.91717. 15320 X 21818.2(85%)17. 83518. 21020 X 1.518.518.62 (85%)18. 37618.67620 X 11919. 13 (80%)18.91719. 15322 X 22020.2(85%)19.83520.21022 X 1.520.520.62 (85%)20. 37620. 67622 X 12121. 13 (80%)20.91721.15324 X 22222.2(85%)21.83522. 21024 X 1.522.522.62 (85%)22. 37622. 67624 X 12

10、323. 13 (80%)22.91723. 15325 X 22323.2(85%)22. 83523.210mm)25 X1.523.523.62(85%)23. 37623. 67625 X 12424. 13(80%)23.91724. 153螺纹下孔径表公制细牙摞纹JIS B 0211-1982（单位:螺纹尺寸钻头直径段合度区分：中年力2级：下孔径段合度区分：中（注1）2级（注2）内螺纹小径最小直径最大直径M26 X 1.524.524.62 (85%)24. 37624. 67627 X 22525.2(85%)24. 83525.21027 X 1.525.525.62 (85%

11、)25. 37625. 67627 X 12626. 13 (80%)25.91726. 15328 X 22626.2(85%)25. 83526. 21028 X 1.526.526.62 (85%)26. 37626. 67628 X 12727. 13 (80%)26.91727. 15330 X 32727.2(85%)26. 75227. 25230 X 22828.2(85%)27. 83528. 21030 X 1.528.528.62 (85%)28. 37628. 67630 X 12929. 13 (80%)28.91729. 15332 X 23030.2(85%)29

12、. 83530.21032 X 1.530.530.62 (85%)30. 37630. 67633 X 33030.2(85%)29. 75230. 25233 X 23131.2(85%)30. 83531.21033 X 1.531.531.62 (85%)31.37631.67635 X 1.533.533.62 (85%)33. 37633. 67636 X 33333.2(85%)32. 75233. 25236 X 23434.2(85%)33. 83534. 21036 X 1.534.534.62 (85%)34. 37634. 67638 X 1.536.536.62 (8

13、5%)36. 37636. 67639 X 33636.2(85%)35.75236. 25239 X 23737.2(85%)36. 83537. 21039 X 1.537.537.62 (85%)37. 37637. 67640 X 33737.2(85%)36. 75237. 25240 X 23838.2(85%)37. 83538.21040 X 1.538.538.62 (85%)38. 37638. 67642 X 43838. 1(90%)37. 67038. 27042 X 33939.2(85%)38. 75239.25242 X 24040.2(85%)39. 8354

14、0.21042 X 1.540.540.62 (85%)40. 37640. 67645 X 44141. 1(90%)40. 67041.27045 X 34242.2(85%)41.75242. 25245 X 24343.2(85%)42. 83543.21045 X 1.543.543.62(85%)43. 37643. 67648 X 44444. 1(90%)43. 67044. 270mm)48 X 34545.2(85%)44. 75245. 25248 X 24646.2(85%)45. 83546.21048 X 1.546.546.62 (85%)46. 37646. 6

15、7650 X 34747.2(85%)46. 75247. 25250 X 24848.2(85%)47. 83548. 21050 X 1.548.548.62 (85%)48. 37648. 676注等级：6H基于Jis B 02117982标准螺纹下孔径表美制粗牙螺纹（单位:螺纹尺寸钻头直径2B级螺纹下孔径内螺纹小径最小直径最大直径N0. 11.551.57 (65%)1.4251.582-64UNC2 -561.81.86(65%)1.6951.8713 -482. 12. 14(65%)1.9412. 1464 -402. 32. 36(70%)2. 1572. 3855 -402.

16、62. 69(70%)2.4872.6976 -322.82.86(75%)2.6422. 8958 -323.43.52(75%)3.3023.53010 -243.93.91(80%)3.6833. 96212 -244.54. 57(80%)4. 3444. 5971/4 -205. 15. 25(80%)4. 9795. 2575/16 -186.66. 72(80%)6. 4016. 7313/8 -1688. 15(80%)7. 7988. 1537/16 -149.49.50(80%)9. 1449.5501/2 -1310.811.0(80%)10. 59211.0239/16

17、 -1212.212.3(85%)11.98912. 4465/8 -1113.613.8(85%)13.38613. 8683/4 -1016.516.8(80%)16. 30716. 8407/8 -919.519.6(85%)19. 17719. 7611-822.222.5(85%)21.97122. 6061 1/8 -72525.2(85%)24. 63825. 34911/4-728.228.4(85%)27.81328. 52413/8-630.831.0(85%)30. 35331. 1151 1/2 -63434.2(85%)33. 52834. 2901 3/4 -539

18、.539.8(85%)38. 96439. 8272- 445.245.3(90%)44. 67945. 593螺纹下孔径表美制细牙螺纹（单位:螺纹尺寸钻头直径2B级螺下孔径内螺纹小径最小直径最大直径N0.0-80UNF1.251.30 (65%)1. 1821.3051 -721.551.61 (65%)1.4741.6122 -641.851.90 (65%)1.7561.9123 -562. 12. 17(70%)2.0252. 1974 -482.42.44(70%)2.2712.4585 -442. 72. 74(70%)2.5512. 7406 -402.93.02(70%)2.8

19、203.0228 -363.53.59(75%)3.4043. 60610 -324. 14. 14(80%)3.9634. 16512 -284.64. 70(80%)4. 4964. 7241/4 -285.55.56(80%)5. 3605.5885/16 -246.97. 02(80%)6. 7827. 0353/8 -248.58.61(80%)8. 3828. 6367/16 -209.910.01(80%)9.72910. 0331/2 -2011.511.60(80%)11.32911.6079/16 -1812.913. 07(80%)12.75113. 0815/8 -18

20、14.514. 65(80%)14. 35114. 6813/4 -1617.517. 59(85%)17. 32317. 6787/8 -1420.520.6(85%)20. 27020. 6751-1223.223.5(85%)23. 11423. 5711 1/8 -1226.526.7(80%)26. 28926. 7461 1/4 -1229.529.9(80%)29. 46429. 9211 3/8 -1232.833.0(85%)32. 63933. 0961 1/2 -123636.2(85%)35.81436. 271螺纹下孔径表缝纫机螺纹(SM)(单位:mm)螺纹尺寸钻头直

21、径2B级螺下孔径2级内螺纹小径最小直径最大直径SM 1/16-801.251.28 (75%)1.2111.2815/64 -641.551.57 (80%)1.5131.5933/32 -1002. 102. 15 (70%)2. 0812. 1563/32 -561.851.91 (80%)1.8411.9361/8-442.502.58 (80%)2. 4852.6051/8 -402.452.52 (80%)2. 4212.5519/64 -402.852.91 (80%)2.8182.94811/64 -403.653.71 (80%)3. 6123.7423/16 -323.903

22、.94 (80%)3. 8203.9803/16 -283. 703.82 (80%)3. 6843.8447/32 -324. 704.73 (80%)4. 6144. 77415/64 -284. 905.01 (80%)4. 8755.0551/4 -405.605.69 (80%)5. 5965.726螺纹尺寸钻头直径2B级螺下孔径2级内螺纹小径最小直径最大直径SM 1/4-245. 105.25 (80%)5.0861/4- 28 5. 30 5. 41 (80%) 5. 272 5. 452缝纫机螺纹（SM）9/32 - 28 6.10 6.209/32 - 20 5. 70 5.

23、 825/16 - 28 6. 90 6. 005/16 - 24 6. 70 6. 845/16 - 18 6.30 6.383/8- 28 8. 50 8. 583/8- 18 7.90 7.977/16 - 28 10. 10 10. 17(80%) 6. 066 6. 256(80%) 5. 634 5. 824(80%) 6. 860 7. 050(80%) 6. 674 6. 864(85%) 6. 254 6. 444(80%) 8. 447 8. 637(85%) 7. 843 8. 053(80%) 10.034 10. 224（单位：mm）加工材料切削速度（m/min）切削液直槽丝攻螺旋 丝攻先孤 丝攻筲钢 丝攻无屑丝攻高速 同步丝 攻管用丝攻油性水溶 性（乳 化液）半干式干式5.2667/16 - 169. 30 9. 36