Общий каталог OSG 2018 - 2019 - страница 657

Pitch Diameter Limits For Internal Screw Threads Classes and Tap Recommendations Size Threads PerInchBasicPitchDiameterUnified Classes of ThreadCLASS 2BFor GeneralApplicationsCLASS 3BFor Closer FitsAmerican National Classes ofThreadCLASS 2CLASS 3ISO Metric Class of ThreadsCLASS 6HFor Commercial Threads NCUNC NFUNF AllClassesMinimumPitchDiam.LimitsMaximumRec.*TapsPitchDiam.LimitsMaximumRec.*TapsPitchPitchDiam.Rec.*Diam.Rec.*LimitsTapsLimitsTapsMaximumMaximumPitch Dia. LimitsSize mmPitch mm(Inch)Rec.TapsMin.Max. 0 — 80 0.0519 0.0542 H2 0.0536 H1 0.0536 H1 0.0532 H1 M1.6 0.35 0.0541 0.0574 D3 1 64 — 0.0629 0.0655 H2 0.0648 H1 0.0648 H1 0.0643 H1 M2 0.4 0.0686 0.0720 D3 1 — 72 0.0640 0.0665 H2 0.0659 H1 0.0658 H1 0.0653 H1 M2.5 0.45 0.0870 0.0906 D3 2 56 — 0.0744 0.0772 H2 0.0765 H1 0.0764 H1 0.0759 H1 M3 0.5 0.1054 0.1092 D3 2 — 64 0.0759 0.0786 H2 0.0779 H1 0.0778 H1 0.0773 H1 M3.5 0.6 0.1225 0.1268 D4 3 48 — 0.0855 0.0885 H2 0.0877 H1 0.0877 H1 0.0871 H1 M4 0.7 0.1396 0.1442 D4 3 — 56 0.0874 0.0902 H2 0.0895 H1 0.0894 H1 0.0889 H1 M5 0.8 0.1764 0.1812 D4 4 40 — 0.0958 0.0991 H2 0.0982 H2 0.0982 H2 0.0975 H1 M6 1.0 0.2107 0.2165 D5 4 — 48 0.0985 0.1016 H2 0.1008 H1 0.1007 H1 0.1001 H1 M8 1.25 0.2830 0.2892 D5 5 40 — 0.1088 0.1121 H2 0.1113 H2 0.1112 H2 0.1105 H1 M10 1.5 0.3554 0.3624 D6 5 — 44 0.1102 0.1134 H2 0.1126 H1 0.1125 H1 0.1118 H1 M12 1.75 0.4277 0.4355 D6 6 32 — 0.1177 0.1214 H3 0.1204 H2 0.1204 H2 0.1196 H1 M14 2.0 0.5001 0.5083 D7 6 — 40 0.1218 0.1252 H2 0.1243 H2 0.1242 H2 0.1235 H1 M16 2.0 0.5788 0.5871 D7 8 32 — 0.1437 0.1475 H3 0.1465 H2 0.1464 H2 0.1456 H1 M20 2.5 0.7235 0.7322 D7 8 — 36 0.1460 0.1496 H2 0.1487 H2 0.1485 H2 0.1478 H1 M24 3.0 0.8682 0.8785 D8 10 24 — 0.1629 0.1672 H3 0.1661 H3 0.1662 H3 0.1653 H1 M30 3.5 1.0917 1.1026 D9 10 — 32 0.1697 0.1736 H3 0.1726 H2 0.1724 H2 0.1716 H1 M36 4.0 1.3151 1.3268 D9 12 24 — 0.1889 0.1933 H3 0.1922 H3 0.1922 H3 0.1913 H1 M39 4.0 1.4331 1.4450 D9 12 — 28 0.1928 0.1970 H3 0.1959 H3 0.1959 H3 0.1950 H1 M42 4.5 1.5385 1.5509 D10 1/4 20 — 0.2175 0.2224 H5 0.2211 H3 0.2211 H3 0.2201 H2 M42 3.0 1.5768 1.5873 D8 1/4 — 28 0.2268 0.2311 H4 0.2300 H3 0.2299 H3 0.2290 H1 M42 2.0 1.6024 1.6112 D7 5/16 18 — 0.2764 0.2817 H5 0.2803 H3 0.2805 H3 0.2794 H2 M42 1.5 1.6152 1.6231 D6 5/16 — 24 0.2854 0.2902 H4 0.2890 H3 0.2887 H3 0.2878 H1 M45 4.5 1.6566 1.6690 D10 3/8 16 — 0.3344 0.3401 H5 0.3387 H3 0.3389 H3 0.3376 H2 M45 3.0 1.6949 1.7054 D8 3/8 — 24 0.3479 0.3528 H4 0.3516 H3 0.3512 H3 0.3503 H1 M48 5.0 1.7619 1.7751 D10 7/16 14 — 0.3911 0.3972 H5 0.3957 H3 0.3960 H5 0.3947 H3 M48 3.0 1.8130 1.8241 D9 7/16 — 20 0.4050 0.4104 H5 0.4091 H3 0.4086 H3 0.4076 H1 M48 2.0 1.8386 1.8479 D7 1/2 13 — 0.4500 0.4565 H5 0.4548 H3 0.4552 H5 0.4537 H31/2—200.46750.4731H50.4717H30.4711H30.4701H1M481.51.85141.8598D6M565.52.06412.0781D11 9/16 12 — 0.5084 0.5152 H5 0.5135 H3 0.5140 H5 0.5124 H3 9/16 — 18 0.5264 0.5323 H5 0.5308 H3 0.5305 H3 0.5294 H2 FORMULAS 5/8 11 — 0.5660 0.5732 H5 0.5714 H3 0.5719 H5 0.5702 H3 5/8 — 18 0.5889 0.5949 H5 0.5934 H3 0.5930 H3 0.5919 H2 D3 = Basic PD + 0.0009” to Basic PD + 0.0015” 3/4 10 — 0.6850 0.6927 H5 0.6907 H5 0.6914 H5 0.6895 H3 D4 = Basic PD + 0.0012” to Basic PD + 0.0020” 3/4 — 16 0.7094 0.7159 H5 0.7143 H3 0.7139 H3 0.7126 H2 D5 = Basic PD + 0.0015” to Basic PD + 0.0025” 7/8 9 — 0.8028 0.8110 H6 0.8089 H4 0.8098 H6 0.8077 H4 D6 = Basic PD + 0.0018” to Basic PD + 0.0030” 7/8 — 14 0.8286 0.8356 H6 0.8339 H4 0.8335 H4 0.8322 H2 D7 = Basic PD + 0.0019” to Basic PD + 0.0035” 1 8 — 0.9188 0.9276 H6 0.9254 H4 0.9264 H4 0.9242 H4 D8 = Basic PD + 0.0024” to Basic PD + 0.0040” 1 — 12 0.9459 0.9535 H6 0.9516 H4 0.9515 H4 0.9499 H4 D9 = Basic PD + 0.0025” to Basic PD + 0.0045” 1 — 14 0.9536 0.9609 H6 0.9590 H4 0.9585 H4 0.9572 H4 1-1/81-1/81-1/41-1/41-3/81-3/81-1/27—7—6—6—1.03221.0416H81.0393H4 1.0407 H4 1.0381 H4121.07091.0787H61.0768H41.0765H41.0749H4—1.15721.1668H81.1644H41.1657H41.1631H4121.19591.2039H61.2019H41.2015H41.1999H4—1.26671.2771H81.2745H41.2768H41.2738H4121.32091.3291H61.3270H41.3265H41.3249H4—1.39171.4022H81.3996H41.4018H41.3988H4Sizes Through 1” Dia.H1 = Basic PD to Basic PD + 0.0005”H2 = Basic PD + 0.0005” to Basic PD + 0.0010”H3 = Basic PD + 0.0010” to Basic PD + 0.0015”H4 = Basic PD + 0.0015” to Basic PD + 0.0020”H5 = Basic PD + 0.0020” to Basic PD + 0.0025 1-1/2 — 12 1.4459 1.4542 H6 1.4522 H4 1.4515 H4 1.4499 H4 H6 = Basic PD + 0.0025” to Basic PD + 0.0030” 1-1/2 — 8 1.4188 1.4283 H7 1.4259 H5 1.4278 H7 1.4251 H5 1-5/8 — 8 1.5438 1.5535 H8 1.5510 H6 1.5531 H7 1.5503 H5 Sizes Above 1” Through 1-1/2” Dia. 1-3/4 5 — 1.6201 1.6317 H9 1.6288 H7 1.6317 H9 1.6283 H7 H4 = Basic PD + 0.0010” to Basic PD + 0.0020” 1-3/4 8 8 1.6688 1.6786 H8 1.6762 H6 1.6785 H8 1.6756 H5 1-7/8 8 8 1.7938 1.8037 H8 1.8013 H6 1.8038 H8 1.8008 H6 2 4.5 — 1.8557 1.8681 H10 1.8650 H7 1.8684 H10 1.8646 H7 2 — 8 1.9188 1.9289 H8 1.9264 H6 1.9292 H8 1.9261 H6 WWW.OSGTOOL.COM Threading Technical 657