Общий каталог OSG 2018 - 2019 - страница 659

S. T. I. STI Pitch Diameter Limits SCREW THREAD INSERT For Internal Screw Threads Classes and Tap Recommendations Unified Classes of Thread Threads Per Inch Tap Major Diameter SIze Class 2B Class 3B For General Applications For Closer Fits NCUNC NFUNF Minimum Maximum H Limit Minimum Maximum H Limit Minimum Maximum 2 56 - 0.1107 0.1117 H2 0.9810 0.9860 H1 0.0976 0.0981 3 48 - 0.1279 0.1289 H2 0.1131 0.1136 H1 0.1126 0.1131 4 40 - 0.1463 0.1473 H2 0.1288 0.1293 H1 0.1283 0.1288 4 - 48 0.1409 0.1419 H2 0.1261 0.1266 H1 0.1256 0.1261 6 32 - 0.1807 0.1817 H3 0.1593 0.1598 H2 0.1588 0.1593 6 - 40 0.1723 0.1733 H2 0.1548 0.1553 H1 0.1543 0.1548 8 32 - 0.2067 0.2077 H3 0.1853 0.1858 H2 0.1848 0.1853 8 - 36 0.2022 0.2032 H2 0.1826 0.1831 H1 0.1821 0.1826 10 24 - 0.2465 0.2475 H3 0.2180 0.2185 H2 0.2175 0.2180 10 - 32 0.2327 0.2337 H3 0.2113 0.2118 H2 0.2108 0.2113 1/4 20 - 0.3177 0.3187 H3 0.2835 0.2840 H2 0.2830 0.2835 1/4 - 28 0.2985 0.2995 H3 0.2742 0.2747 H2 0.2737 0.2742 5/16 18 - 0.3874 0.3884 H4 0.3501 0.3506 H3 0.3496 0.3501 5/16 - 24 0.3690 0.3700 H3 0.3405 0.3410 H2 0.3400 0.3405 3/8 16 - 0.4592 0.4602 H4 0.4171 0.4176 H3 0.4166 0.4171 3/8 - 24 0.4315 0.4325 H3 0.4030 0.4035 H2 0.4025 0.4030 7/16 14 - 0.5333 0.5343 H4 0.4854 0.4859 H3 0.4849 0.4854 7/16 - 20 0.5052 0.5062 H4 0.4715 0.4720 H3 0.4710 0.4715 1/2 13 - 0.6032 0.6042 H4 0.5514 0.5519 H3 0.5509 0.5514 1/2 - 20 0.5677 0.5687 H4 0.5340 0.5345 H3 0.5335 0.5340 9/16 12 - 0.6741 0.6751 H4 0.6182 0.6187 H3 0.6177 0.6182 9/16 - 18 0.6374 0.6384 H4 0.6001 0.6006 H3 0.5996 0.6001 5/8 11 - 0.7467 0.7477 H4 0.6856 0.6861 H3 0.6851 0.6856 5/8 - 18 0.6999 0.7009 H4 0.6626 0.6631 H3 0.6621 0.6626 3/4 10 - 0.8835 0.8850 H5 0.8169 0.8174 H3 0.8159 0.8164 3/4 - 16 0.8342 0.8352 H4 0.7921 0.7926 H3 0.7916 0.7921 7/8 9 - 1.0232 1.0247 H5 0.9491 0.9496 H3 0.9481 0.9486 7/8 - 14 0.9708 0.9718 H4 0.9234 0.9239 H3 0.9224 0.9229 1 8 - 1.1666 1.1681 H6 1.0832 1.0842 H4 1.0822 1.0832 1 - 12 1.1116 1.1126 H6 1.0562 1.0572 H4 1.0552 1.0562 ISO Metric Class of Threads Class 6H For Commercial Threads Size Pitch Pitch Diameter Limits Recommended mm mm Taps Min. Max M2 0.40 0.0889 0.0909 D2 M2.5 0.45 0.1099 0.1120 D2 M3 0.50 0.1309 0.1332 D2 M4 0.70 0.1753 0.1783 D3 M5 0.80 0.2173 0.2203 D3 M6 1.00 0.2618 0.2654 D3 M8 1.25 0.3469 0.3508 D3 M10 1.50 0.4320 0.4357 D4 M12 1.75 0.5172 0.5224 D4 M14 2.00 0.6023 0.6078 D5 M16 2.00 0.6810 0.6867 D5 M18 2.50 0.7725 0.7786 D5 M20 2.50 0.8371 0.8574 D5 M22 2.50 0.9300 0.9361 D5 M24 3.00 1.0216 1.0289 D6 WWW.OSGTOOL.COM Threading Technical 659