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时间:2019-08-19
《美制螺丝规格》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、美制螺丝规格,美制螺丝规格表美制外螺纹(2A)常用螺丝规格极限尺寸表(粗牙)公称尺寸和每英寸牙数螺纹系列代号大径极限中径极限小径max螺胚直径最小最大最小最大最小最大 8-32UNC 0.1571 0.1631 0.1399 0.1428 0.1248 3.58 3.61 (0.164-32)3.9903 4.1427 3.5535 3.6271 3.1699 10-240.1818 0.1890 0.1586 0.1619 0.1379 4.07 4.10 (0.190-24)4.6177 4.8006 4.0284 4.1123 3.5027 1
2、2-240.2078 0.2150 0.1845 0.1879 0.1639 4.72 4.75 (0.216-24)5.2781 5.4610 4.6863 4.7727 4.1631 1/4-200.2408 0.2489 0.2127 0.2164 0.1876 5.45 5.48 (0.250-20)6.1163 6.3221 5.4026 5.4966 4.7650 5/16-180.3026 0.3113 0.2712 0.2752 0.2431 6.94 6.98 (0.3175-18)7.6860 7.9070 6.8885 6.99
3、01 6.1747 3/8-160.3643 0.3737 0.3287 0.3331 0.2970 8.40 8.44 (0.375-16)9.2532 9.4920 8.3490 8.4607 7.5438 7/16-140.4258 0.4361 0.3850 0.3897 0.3485 9.83 9.87 (0.4375-14)10.8153 11.0769 9.7790 9.8984 8.8519 1/2-130.4876 0.4985 0.4435 0.4485 0.4041 11.34 11.38 (0.50-13)12.3850 1
4、2.6619 11.2649 11.3919 10.2641 9/16-120.5495 0.5609 0.5016 0.5068 0.4587 12.80 12.84 (0.5625-12)13.9573 14.2469 12.7406 12.8727 11.6510 5/8-110.6113 0.6234 0.5589 0.5644 0.5119 14.27 14.32 (0.625-11)15.5270 15.8344 14.1961 14.3358 13.0023 3/4-100.7353 0.7482 0.6773 0.6832 0.625
5、5 17.28 17.33 (0.750-10)18.6766 19.0043 17.2034 17.3533 15.8877 7/8-90.8592 0.8731 0.7946 0.8009 0.7368 20.27 20.32 (0.875-9)21.8237 22.1767 20.1828 20.3429 18.7147 1"-80.9830 0.9980 0.9100 0.9168 0.8446 23.22 23.27 (1.000-8)24.9682 25.3492 23.1140 23.2867 21.4528 美制外螺纹(2A)常用螺丝
6、规格极限尺寸表(细牙)公称尺寸和每英寸牙数螺纹系列代号大径极限中径极限小径max螺胚直径最小最大最小最大最小最大 8-36UNF0.1577 0.1632 0.1424 0.1452 0.1291 3.65 3.67 (0.164-36)4.0056 4.1453 3.6170 3.6881 3.2791 10-320.1831 0.1891 0.1658 0.1688 0.1508 4.24 4.27 (0.190-32)4.6507 4.8031 4.2113 4.2875 3.8303 12-280.2085 0.2150 0.1886 0.1
7、918 0.1712 4.82 4.85 (0.216-28)5.2959 5.4610 4.7904 4.8717 4.3485 1/4-280.2425 0.2490 0.2225 0.2258 0.2052 5.69 5.71 (0.250-28)6.1595 6.3246 5.6515 5.7353 5.2121 5/16-240.3042 0.3114 0.2806 0.2843 0.2603 7.17 7.20 (0.3175-24)7.7267 7.9096 7.1272 7.2212 6.6116 3/8-240.3667 0.37
8、39 0.3430 0.3468 0.3228 8.75 8.78 (0.375
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