Общий каталог OSG 2018 - 2019 - страница 655

S. T. I. STI General Tap Dimensions SCREW THREAD INSERT Screw Thread Inserts General Tap Dimensions - Inch (USCTI Table 322) Blank Style 1 Blank Style 2 Blank Style 3 NominalSIze Threads Per Inch BlankDesignUNC BLANKUDNFESIGN 1 No.ATap Dimensions(Inch) Table 302BCDSize ofBlank EquivalentSquare 1 64 – 1 1.810 0.500 0.190 0.141 0.110 No. 3 2 56 – 1 1.880 0.560 0.190 0.141 0.110 No. 4–6411.8800.5600.1900.1410.110No. 4 3 48 – 1 1.940 0.630 0.190 0.141 0.110 No. 5–5611.9400.6300.1900.1410.110No. 5 4 40 – 1 2.000 0.690 0.190 0.141 0.110 No. 6–4812.0000.6900.1900.1410.110No. 6 5 40 – 1 2.130 0.750 0.250 0.168 0.131 No. 8 6 32 – 1 2.380 0.880 0.250 0.194 0.152 No. 10–4012.1300.7500.2500.1680.131No. 8 8 32 – 1 2.380 0.940 0.280 0.220 0.165 No. 12–3612.3800.9400.2800.2200.165No. 12 10 24 – 2 2.500 1.000 0.310 0.255 0.191 1/4–3222.5001.0000.3100.2550.1911/4 12 12 – 2 2.720 1.130 0.380 0.318 0.238 5/16 1/4 20 – 2 2.720 1.130 0.380 0.318 0.238 5/16–2822.7201.1300.3800.3180.2385/16 5/16 18 ––24 2 2.940 1.250 0.440 0.381 0.28622.9401.2500.4400.3810.2863/83/8 3/8 16 – 3 3.380 1.660 0.440 0.367 0.275 1/2–2433.1601.4400.4100.3230.2427/16 7/16 14 ––20 3 3.590 1.660 0.500 0.429 0.32233.3801.6600.4400.3670.2759/161/2 1/2 13 – 3 3.810 1.810 0.560 0.480 0.360 5/8–2033.5901.6600.5000.4290.3229/16 9/16 12 ––18 3 4.030 1.810 0.630 0.542 0.406 11/1633.8101.8100.5600.4800.3605/8 5/8 11 – 3 4.250 2.000 0.690 0.590 0.442 3/4–1834.0301.8100.6300.5420.40611/16 3/4 10 – 3 4.690 2.220 0.750 0.697 0.523 7/8–1634.4702.0000.6900.6520.48913/16 7/8 9 – 3 5.130 2.500 0.810 0.800 0.600 1"–1435.1302.5000.8100.8000.6001" 1 8 – 3 5.750 2.560 1.000 1.021 0.766 1 1/4–1235.4402.5600.8800.8960.6721 1/8 These taps are oversize to the extent that the internal thread they produce will accommodate a helical coil screw thread insert, which at final assembly will accept a screw thread of the normal size and pitch. WWW.OSGTOOL.COM Threading Technical 655