Tables of Diameters, Circumferences and Areas of Circles.

Diam. Area. Circum.

0.0

.1 .007854 .31416

.2 .031416 .62832

.3 .070686 .94248

.4 .12566 1 .2566

.5 .19735 1 .5708

.6 .28274 1 .8850

.7 .38485 2 .1991

.8 .50266 2 .5133

.9 .63617 2 .8274

1.0 .7854 3 .1416

.1 .9503 3 .4558

.2 1 .1310 3 .7699

.3 1 .3273 4 .0841

.4 1 .5394 4 .3982

.5 1 .7671 4 .7124

.6 2 .0106 5 .0265

.7 2 .2698 5 .3407

.8 2 .5447 5 .6549

.9 2 .8353 5 .9690

2.0 3 .1416 6 .2832

.1 3 .4636 6 .5973

.2 3 .8013 6 .9115

.3 4 .1548 7 .2257

.4 4 .5239 7 .5398

.5 4 .9087 7 .8540

.6 5 .3093 8 .1681

.7 5 .7256 8 .4823

.8 6 .1575 8 .7965

.9 6 .6052 9 .1106

3.0 7 .0686 9 .4248

.1 7 .5477 9 .7389

.2 8 .0425 10 .0531

.3 8 .5530 10 .3673

.4 9 .0792 10 .6814

.5 9 .6211 10 .9956

.6 10 .1788 11 .3097

.7 10 .7521 11 .6239

.8 11 .3411 11 .9381

.9 11 .9456 12 .2522

4.0 12 .5664 12 .5664

.1 13 .2025 12 .8805

.2 13 .8544 13 .1947

.3 14 .5220 13 .5088

.4 15 .2053 13 .8230

.5 15 .9043 14 .1372

.6 16 .6190 14 .4513

.7 17 .3494 14 .7655

.8 18 .0956 15 .0796

.9 18 .8574 15 .3938

5.0 19 .6350 15 .7080

.1 20 .4282 16 .0221

.2 21 .2372 16 .3363

.3 22 .0618 16 .6504

.4 22 .9022 16 .9646

.5 23 .7583 17 .2788

.6 24 .6301 17 .5929

.7 25 .5176 17 .9071

.8 26 .4208 18 .2212

.9 27 .3397 18 .5354

6.0 28 .2743 18 .8496

.1 29 .2247 19 .1637

.2 30 .1907 19 .4779

.3 31 .1725 19 .7920

.4 32 .1699 20 .1062

.5 33 .1831 20 .4204

.6 34 .2119 20 .7345

.7 35 .2565 21 .0487

.8 36 .3168 21 .3628

.9 37 .3928 21 .6770

7.0 38 .4845 21 .9911

.1 39 .5919 22 .3053

.2 40 .7150 22 .6195

.3 41 .8539 22 .9336

.4 43 .0084 23 .2478

.5 44 .1786 23 .5619

.6 45 .3646 23 .8761

.7 46 .5663 24 .1903

.8 47 .7836 24 .5044

.9 49 .0167 24 .8186

8.0 50 .2655 25 .1327

.1 51 .5300 25 .4469

.2 52 .8102 25 .7611

.3 54 .1061 26 .0752

.4 55 .4177 26 .3894

.5 56 .7450 26 .7035

.6 58 .0880 27 .0177

.7 59 .4468 27 .3319

.8 60 .8212 27 .6460

.9 62 .2114 27 .9602

9.0 63 .6173 28 .2743

.1 65 .0388 28 .5885

.2 66 .4761 28 .9027

.3 67 .9291 29 .2168

.4 69 .3978 29 .5310

.5 70 .8822 29 .8451

.6 72 .3823 30 .1593

.7 73 .8981 30 .4734

.8 75 .4296 30 .7876

.9 76 .9769 31 .1018

10.0 78 .5398 31 .4159

.1 80 .1185 31 .7301

.2 81 .7128 32 .0442

.3 83 .3229 32 .3584

.4 84 .9487 32 .6726

.5 86 .5901 32 .9887

.6 88 .2473 33 .3009

.7 89 .9202 33 .6150

.8 91 .6088 33 .9292

.9 93 .3132 34 .2434

11.0 95 .0332 34 .5575

.1 96 .7689 34 .8717

.2 98 .5203 35 .1858

.3 100 .2875 35 .5000

.4 102 .0703 35 .8142

.5 103 .8689 36 .1283

.6 105 .6832 36 .4425

.7 107 .5132 36 .7566

.8 109 .3588 37 .0708

.9 111 .2202 37 .3850

12.0 113 .0973 37 .6991

.1 114 .9901 38 .0133

.2 116 .8987 38 .3274

.3 118 .8229 38 .6416

.4 120 .7628 38 .9557

.5 122 .7185 39 .2099

.6 124 .6898 39 .6841

.7 126 .6769 39 .8982

.8 128 .6796 40 .2121

.9 130 .6981 40 .5265

13.0 132 .7323 40 .8407

.1 134 .7822 41 .1549

.2 136 .8478 41 .4690

.3 138 .9291 41 .7832

.4 141 .0261 42 .0973

.5 143 .1388 42 .4116

.6 145 .2672 42 .7257

.7 147 .4114 43 .0398

.8 149 .5712 43 .3540

.9 151 .7468 43 .6681

14.0 153 .9380 43 .9823

.1 156 .1450 44 .2965

.2 158 .3677 44 .6106

.3 160 .6061 44 .9248

.4 162 .8602 45 .2389

.5 165 .1300 45 .5531

.6 167 .4155 45 .8673

.7 169 .7167 46 .1814

.8 172 .0336 46 .4956

.9 174 .3662 46 .8097

15.0 176 .7146 47 .1239

.1 179 .0786 47 .4380

.2 181 .4584 47 .7522

.3 183 .8539 48 .0664

.4 186 .2650 48 .3805

.5 188 .6919 48 .6947

.6 191 .1345 49 .0088

.7 193 .5928 49 .3230

.8 196 .0668 49 .6372

.9 198 .5565 49 .9513

16.0 201 .0619 50 .2655

.1 203 .5831 50 .5796

.2 206 .1199 50 .8938

.3 208 .6724 51 .2080

.4 211 .2407 51 .5221

.5 213 .8246 51 .8363

.6 216 .4243 52 .1504

.7 219 .0397 52 .4646

.8 221 .6708 52 .7788

.9 224 .3176 53 .0929

17.0 226 .9801 53 .4071

.1 229 .6583 53 .7212

.2 232 .3522 54 .0354

.3 235 .0618 54 .3496

.4 237 .7871 54 .6637

.5 240 .5282 54 .9779

.6 243 .2849 55 .2920

.7 246 .0574 55 .6062

.8 248 .8456 55 .9203

.9 251 .6494 56 .2345

18.0 254 .4690 56 .5486

.1 257 .3043 56 .8628

.2 260 .1553 57 .1770

.3 263 .0220 57 .4911

.4 265 .9044 57 .8053

.5 268 .8025 58 .1195

.6 271 .7164 58 .4336

.7 274 .6459 58 .7478

.8 277 .5911 59 .0619

.9 280 .5521 59 .3761

19.0 283 .5287 59 .6903

.1 286 .5211 60 .0044

.2 289 .5292 60 .3186

.3 292 .5530 60 .6327

.4 295 .5925 60 .9469

.5 298 .6477 61 .2611

.6 301 .7186 61 .5752

.7 304 .8052 61 .8894

.8 307 .9075 62 .2035

.9 311 .0255 62 .5177

20.0 314 .1593 62 .8319

.1 317 .3087 63 .1460

.2 320 .4739 63 .4602

.3 323 .6547 63 .7743

.4 326 .8513 64 .0885

.5 330 .0636 64 .4026

.6 333 .2916 64 .7168

.7 336 .5353 65 .0310

.8 339 .7947 65 .3451

.9 343 .0698 65 .6593

21.0 346 .3606 65 .9734

.1 349 .6671 66 .2876

.2 352 .9894 66 .6018

.3 356 .3273 66 .9159

.4 359 .6809 67 .2301

.5 363 .0503 67 .5442

.6 266 .4354 67 .8584

.7 369 .8361 68 .1726

.8 373 .2526 68 .4867

.9 376 .6848 68 .8009

22.0 380 .1327 69 .1150

.1 383 .5963 69 .4292

.2 387 .0756 69 .7434

.3 390 .5707 70 .0575

.4 394 .0814 70 .3717

.5 397 .6078 70 .6858

.6 401 .1500 71 .0000

.7 404 .7078 71 .3142

.8 408 .2814 71 .6283

.9 411 .8707 71 .9425

23.0 415 .4756 72 .2566

.1 419 .0993 72 .5708

.2 422 .7327 72 .8849

.3 426 .3848 73 .1991

.4 430 .0526 73 .5133

.5 433 .7361 73 .8274

.6 437 .4354 74 .1416

.7 441 .1503 74 .4557

.8 444 .8809 74 .7699

.9 448 .6273 75 .0841

24.0 452 .3893 75 .3982

.1 456 .1671 75 .7424

.2 459 .9606 76 .0265

.3 463 .7693 76 .3407

.4 467 .5947 76 .6549

.5 471 .4352 76 .9690

.6 475 .2916 77 .2832

.7 479 .1636 77 .5973

.8 483 .0513 77 .9115

.9 486 .9547 78 .2257

25.0 490 .8739 78 .5398

.1 494 .8087 78 .8540

.2 498 .7592 79 .1681

.3 502 .7255 79 .4823

.4 506 .7075 79 .7965

.5 510 .7052 80 .1106

.6 514 .7185 80 .4248

.7 518 .7476 80 .7389

.8 522 .7924 81 .0531

.9 526 .8529 81 .3672

26.0 530 .9292 81 .6814

.1 535 .0211 81 .9956

.2 539 .1287 82 .3097

.3 543 .2521 82 .6239

.4 547 .3911 82 .9380

.5 551 .5459 83 .2522

.6 555 .7163 83 .5664

.7 559 .9025 83 .8805

.8 564 .1044 84 .1947

.9 568 .3220 84 .5088

27.0 572 .5553 84 .8230

.1 576 .8043 85 .1372

.2 581 .0690 85 .4513

.3 585 .3494 85 .7655

.4 589 .6455 86 .0796

.5 593 .9574 86 .3938

.6 598 .2849 86 .7080

.7 602 .6282 87 .0221

.8 606 .9871 87 .3363

.9 611 .3618 87 .6504

28.0 615 .7522 87 .9646

.1 620 .1582 88 .2788

.2 624 .5800 88 .5929

.3 629 .0175 88 .9071

.4 633 .4707 89 .2212

.5 637 .9397 89 .5354

.6 642 .4243 89 .8495

.7 646 .9246 90 .1637

.8 651 .4407 90 .4779

.9 655 .9724 90 .7920

29.0 660 .5199 91 .1063

.1 665 .0830 91 .4203

.2 669 .6619 91 .7345

.3 674 .2565 92 .0487

.4 678 .8668 92 .3628

.5 683 .4928 92 .6770

.6 688 .1345 92 .9911

.7 692 .7919 93 .3053

.8 697 .4650 93 .6195

.9 702 .1538 93 .9336

30.0 706 .8583 94 .2478

.1 711 .5786 94 .5610

.2 716 .3145 94 .8761

.3 721 .0662 95 .1903

.4 725 .8336 95 .5044

.5 730 .6167 95 .8186

.6 735 .4154 96 .1327

.7 740 .2299 96 .4469

.8 745 .0601 96 .7611

.9 749 .9060 97 .0752

31.0 754 .7676 97 .3894

.1 759 .6450 97 .7035

.2 761 .5380 98 .0177

.3 769 .4467 98 .3319

.4 774 .3712 98 .6460

.5 779 .3113 98 .9602

.6 784 .2672 99 .2743

.7 789 .2388 99 .5885

.8 794 .2260 99 .9026

.9 799 .2290 100 .2168

32.0 804 .2477 100 .5310

.1 809 .2821 100 .8451

.2 814 .3322 101 .1593

.3 819 .3980 101 .4734

.4 824 .4796 101 .7876

.5 829 .5768 102 .1018

.6 834 .6898 102 .4159

.7 839 .8185 102 .7301

.8 844 .9628 103 .0442

.9 850 .1229 103 .3584

33.0 855 .2986 103 .6726

.1 860 .4902 103 .9867

.2 865 .6973 104 .3009

.3 870 .9202 104 .6150

.4 876 .1588 104 .9292

.5 881 .4131 105 .2434

.6 886 .6831 105 .5575

.7 891 .9688 105 .8717

.8 897 .2703 106 .1858

.9 902 .5874 106 .5000

34.0 907 .9203 106 .8142

.1 913 .2688 107 .1283

.2 918 .6331 107 .4425

.3 924 .0131 107 .7566

.4 929 .4088 108 .0708

.5 934 .8202 108 .3849

.6 940 .2473 108 .6991

.7 945 .6901 109 .0133

.8 951 .1486 109 .3274

.9 956 .6228 109 .6416

35.0 962 .1128 109 .9557

.1 967 .6184 110 .2699

.2 973 .1397 110 .5841

.3 978 .6768 110 .8982

.4 984 .2296 111 .2124

.5 989 .7980 111 .5265

.6 995 .3822 111 .8407

.7 1000 .9821 112 .1549

.8 1006 .5977 112 .4690

.9 1012 .2290 112 .7832

36.0 1017 .8760 113 .0973

.1 1023 .5387 113 .4115

.2 1029 .2172 113 .7257

.3 1034 .9113 114 .0398

.4 1040 .6212 114 .3540

.5 1046 .3467 114 .6681

.6 1052 .0880 114 .9823

.7 1057 .8449 115 .2965

.8 1063 .6176 115 .6106

.9 1069 .4060 115 .9248

37.0 1075 .2101 116 .2389

.1 1081 .0299 116 .5531

.2 1086 .8654 116 .8672

.3 1093 .7166 117 .1814

.4 1098 .5835 117 .4956

.5 1104 .4662 117 .8097

.6 1110 .3645 118 .1239

.7 1116 .2786 118 .4380

.8 1122 .2083 118 .7522

.9 1128 .1538 119 .0664

38.0 1134 .1149 119 .3805

.1 1140 .0918 119 .6947

.2 1146 .0844 120 .0088

.3 1152 .0927 120 .3230

.4 1158 .1167 120 .6372

.5 1164 .1564 120 .9513

.6 1170 .2118 121 .2655

.7 1176 .2830 121 .5796

.8 1182 .3698 121 .8938

.9 1188 .4724 122 .2080

39.0 1194 .5906 122 .5221

.1 1200 .7246 122 .8363

.2 1206 .8742 123 .1504

.3 1213 .0396 123 .4646

.4 1219 .2207 123 .7788

.5 1225 .4175 124 .0929

.6 1231 .6300 124 .4071

.7 1237 .8582 124 .7212

.8 1244 .1021 125 .0354

.9 1250 .3617 125 .3495

40.0 1256 .6371 125 .6637

.1 1262 .9281 125 .9779

.2 1269 .2348 126 .2920

.3 1275 .5573 126 .6062

.4 1281 .8955 126 .9203

.5 1288 .2493 127 .2345

.6 1294 .3189 127 .5487

.7 1301 .0042 127 .8628

.8 1307 .4052 128 .1770

.9 1313 .8219 128 .4911

41.0 1320 .2543 128 .8053

.1 1326 .7024 129 .1195

.2 1333 .1663 129 .4336

.3 1339 .6458 129 .7478

.4 1346 .1410 130 .0619

.5 1352 .6520 130 .3761

.6 1359 .1786 130 .6903

.7 1365 .7210 131 .0044

.8 1372 .2791 131 .3186

.9 1378 .8529 131 .6227

42.0 1385 .4424 131 .9469

.1 1392 .0476 132 .2611

.2 1398 .6685 132 .5752

.3 1405 .3051 132 .8894

.4 1411 .9574 133 .2035

.5 1418 .6254 133 .5177

.6 1425 .3092 133 .8318

.7 1432 .0086 134 .1460

.8 1438 .7238 134 .4602

.9 1445 .4546 134 .7743

43.0 1452 .2012 135 .0885

.1 1458 .9635 135 .4026

.2 1465 .7415 135 .7168

.3 1472 .5352 136 .0310

.4 1479 .3446 136 .3451

.5 1486 .1697 136 .6593

.6 1493 .0105 136 .9734

.7 1499 .8670 137 .2876

.8 1506 .7393 137 .6018

.9 1513 .6272 137 .9159

44.0 1520 .5308 138 .2301

.1 1527 .4502 138 .5442

.2 1534 .3853 138 .8584

.3 1541 .3360 139 .1726

.4 1548 .3025 139 .4867

.5 1555 .2847 139 .8009

.6 1562 .2826 140 .1153

.7 1569 .2063 140 .4292

.8 1576 .3255 140 .7434

.9 1583 .3706 141 .0575

45.0 1590 .4313 141 .3717

.1 1597 .5077 141 .6858

.2 1604 .5999 142 .0000

.3 1611 .7077 142 .3142

.4 1618 .8313 142 .6283

.5 1625 .9705 142 .9425

.6 1633 .1255 143 .2566

.7 1640 .2962 143 .5708

.8 1647 .4826 143 .8849

.9 1654 .6847 144 .1991

46.0 1661 .9025 144 .5133

.1 1669 .1360 144 .8274

.2 1676 .3853 145 .1416

.3 1683 .6502 145 .4557

.4 1690 .9308 145 .7699

.5 1698 .2272 146 .0841

.6 1705 .5392 146 .3982

.7 1712 .8670 146 .7124

.8 1720 .2105 147 .0265

.9 1727 .5697 147 .3407

47.0 1734 .9445 147 .6550

.1 1742 .3351 147 .9690

.2 1749 .7414 148 .2832

.3 1757 .1635 148 .5973

.4 1764 .6012 148 .9115

.5 1772 .0546 149 .2257

.6 1779 .5237 149 .5398

.7 1787 .0086 149 .8540

.8 1794 .5091 150 .1681

.9 1802 .0254 150 .4823

48.0 1809 .5574 150 .7964

.1 1817 .1050 151 .1105

.2 1824 .6684 151 .4248

.3 1832 .2475 151 .7389

.4 1839 .8423 152 .0531

.5 1847 .4528 152 .3672

.6 1855 .0790 152 .6814

.7 1862 .7210 152 .9956

.8 1870 .3786 153 .3097

.9 1878 .0519 153 .6239

49.0 1885 .7409 153 .9380

.1 1893 .4457 154 .2522

.2 1901 .1662 154 .5664

.3 1908 .9024 154 .8805

.4 1916 .6543 155 .1947

.5 1924 .4218 155 .5088

.6 1932 .2051 155 .8230

.7 1940 .0042 156 .1372

.8 1947 .8189 156 .4513

.9 1955 .6493 156 .7655

50.0 1963 .4954 157 .0796

.1 1971 .3572 157 .3938

.2 1979 .2348 157 .7080

.3 1987 .1280 158 .0221

.4 1995 .0370 158 .3363

.5 2002 .9617 158 .6504

.6 2010 .9020 158 .9646

.7 2018 .8581 159 .2787

.8 2026 .8299 159 .5929

.9 2034 .8174 159 .9071

51.0 2042 .6206 160 .2212

.1 2050 .8895 160 .5354

.2 2058 .8742 160 .8495

.3 2066 .9245 161 .1637

.4 2074 .9905 161 .4779

.5 2083 .0723 161 .7920

.6 2091 .1697 162 .1062

.7 2099 .2829 162 .4203

.8 2107 .4118 162 .7345

.9 2115 .5563 163 .0487

52.0 2123 .7166 163 .3628

.1 2131 .8926 163 .6770

.2 2140 .0843 163 .9911

.3 2148 .2917 164 .3053

.4 2156 .5149 164 .6195

.5 2164 .7537 164 .9336

.6 2173 .0082 165 .2479

.7 2181 .2785 165 .5619

.8 2189 .5644 165 .8761

.9 2197 .8661 166 .1903

53.0 2206 .1834 166 .5044

.1 2214 .5165 166 .8186

.2 2222 .8653 167 .1327

.3 2231 .2298 167 .4469

.4 2239 .6100 167 .7610

.5 2248 .0059 168 .0752

.6 2256 .4175 168 .3894

.7 2264 .8448 168 .7035

.8 2273 .2879 169 .0177

.9 2281 .7466 169 .3318

54.0 2290 .2210 169 .6460

.1 2298 .7112 169 .9602

.2 2307 .2171 170 .2743

.3 2315 .7386 170 .5885

.4 2324 .2759 170 .9026

.5 2332 .8289 171 .2168

.6 2341 .3976 171 .5310

.7 2349 .9820 171 .8451

.8 2358 .5821 172 .1593

.9 2367 .1979 172 .4735

55.0 2375 .8294 172 .7876

.1 2384 .4767 173 .1017

.2 2393 .1396 173 .4159

.3 2401 .8183 173 .7301

.4 2410 .5126 174 .0442

.5 2419 .2227 174 .3584

.6 2427 .9485 174 .6726

.7 2436 .6899 174 .9867

.8 2145 .4471 175 .3009

.9 2454 .2200 175 .6150

UNITED STATES STANDARD SIZES OF WROUGHT IRON WELDED PIPE.

Inside diam- eter nom. Actual outside Diam- eter. Thick- ness. Actual Inside Diam- eter. External circum- ference. Internal circum- ference. Length of pipe per square foot of outside surface. Length of pipe per square foot of inside surface. External area. Actual internal area. Length of pipe con- taining one cubic foot. Weight per foot of length. No. of threads per Inch of screw. Length perfect screw.

¹⁄₈ .405 .068 0 .269 1 .272 0 .848 9 .440 14 .15 .129 .0572 2500 . .243 27 0.19

¹⁄₄ .54 .088 0 .364 1 .696 1 .144 7 .075 10 .50 .229 .1041 1385 . .422 18 0.29

³⁄₈ .675 .091 0 .493 2 .121 1 .552 5 .657 7 .67 .358 .1916 751 .5 .561 18 0.30

¹⁄₂ .840 .109 0 .622 2 .652 1 .957 4 .502 6 .13 .554 .3048 472 .4 .845 14 0.39

³⁄₄ 1 .050 .113 0 .824 3 .299 2 .589 3 .637 4 .635 .866 .5333 270 .0 1 .126 14 0.40

1 1 .315 .134 1 .047 4 .134 3 .292 2 .903 3 .679 1 .357 .8627 166 .9 1 .670 11 ¹⁄₂ 0.51

1 ¹⁄₄ 1 .660 .140 1 .38 5 .215 4 .335 2 .301 2 .768 2 .164 1 .496 96 .25 2 .258 11 ¹⁄₂ 0.54

1 ¹⁄₂ 1 .90 .145 1 .61 5 .969 5 .061 2 .010 2 .371 2 .835 2 .038 70 .65 2 .694 11 ¹⁄₂ 0.55

2 2 .375 .154 2 .067 7 .461 6 .494 1 .611 1 .848 4 .430 3 .355 42 .36 3 .667 11 ¹⁄₂ 0.58

2 ¹⁄₂ 2 .875 .204 2 .467 9 .032 7 .754 1 .328 1 .547 6 .491 4 .783 30 .11 5 .773 8 0.89

3 3 .50 .217 3 .066 10 .996 9 .636 1 .091 1 .245 9 .621 7 .388 19 .40 7 .547 8 0.95

3 ¹⁄₂ 4 .0 .226 3 .548 12 .566 11 .146 .955 1 .077 12 .566 9 .837 14 .56 9 .055 8 1.00

4 4 .50 .237 4 .026 14 .137 12 .648 .849 0 .949 15 .901 12 .730 11 .31 10 .728 8 1.05

4 ¹⁄₂ 5 .0 .247 4 .506 15 .708 14 .153 .765 0 .848 19 .635 15 .939 9 .03 12 .492 8 1.10

5 5 .563 .259 5 .045 17 .475 15 .849 .629 0 .757 24 .299 19 .990 7 .20 14 .564 8 1.16

6 6 .625 .280 5 .065 20 .813 19 .054 .577 0 .630 34 .471 28 .889 4 .98 18 .767 8 1.26

7 7 .625 .301 7 .023 23 .954 22 .063 .505 0 .544 45 .663 38 .737 3 .72 23 .410 8 1.36

8 8 .625 .322 7 .981 27 .096 25 .076 .444 0 .478 58 .426 50 .039 2 .88 28 .348 8 1.46

9 9 .688 .344 9 .00 30 .433 28 .277 .394 0 .425 73 .715 63 .633 2 .26 34 .677 8 1.57

10 10 .750 .366 10 .018 33 .772 31 .475 .355 0 .381 90 .762 78 .838 1 .80 40 .641 8 1.68

Thread taper three-fourths inch to one foot.

All pipe below 1¹⁄₂ inches is butt-welded, and proved to 300 pounds per square inch; 1¹⁄₂ inch and above is lap-welded and proved to 500 pounds per square inch.

STANDARDS FOR WIRE GAUGES IN USE IN THE UNITED STATES. Dimensions of Sizes in Decimal Parts of an Inch.

Number of Wire Gauge. American or Brown & Sharpe. Birming- ham, or Stubs’ Wire. Washburn & Moen Mfg. Co., Worces- ter, Ms. Impe- rial Wire Gauge. Stubs’ Steel Wire. U. S. Stand. for Plate. Number of Wire Gauge.

000000 .... .... .... .464 .... .46875 000000

00000 .... .... .... .432 .... .4375 00000

0000 .46 .454 .3938 .400 .... .40625 0000

000 .40964 .425 .3625 .372 .... .375 000

00 .3648 .38 .3310 .348 .... .34375 00

0 .32486 .34 .3065 .324 .... .3125 0

1 .2893 .3 .2830 .300 .227 .28125 1

2 .25763 .284 .2625 .276 .219 .265625 2

3 .22942 .259 .2437 .252 .212 .25 3

4 .20431 .238 .2253 .232 .207 .234375 4

5 .18194 .22 .2070 .212 .204 .21875 5

6 .16202 .203 .1920 .192 .201 .203125 6

7 .14428 .18 .1770 .176 .199 .1875 7

8 .12849 .165 .1620 .160 .197 .171875 8

9 .11443 .148 .1483 .144 .194 .15625 9

10 .10189 .134 .1350 .128 .191 .140625 10

11 .090742 .12 .1205 .116 .188 .125 11

12 .080808 .109 .1055 .104 .185 .109375 12

13 .071961 .095 .0915 .092 .182 .09375 13

14 .064084 .083 .0800 .080 .180 .078125 14

15 .057068 .072 .0720 .072 .178 .0703125 15

16 .05082 .065 .0625 .064 .175 .0625 16

17 .045257 .058 .0540 .056 .172 .05625 17

18 .040303 .049 .0475 .048 .168 .05 18

19 .03589 .042 .0410 .040 .164 .04375 19

20 .031961 .035 .0348 .036 .161 .0375 20

21 .028462 .032 .03175 .032 .157 .034375 21

22 .025347 .028 .0286 .028 .155 .03125 22

23 .022571 .025 .0258 .024 .153 .028125 23

24 .0201 .022 .0230 .022 .151 .025 24

25 .0179 .02 .0204 .020 .148 .021875 25

26 .01594 .018 .0181 .018 .146 .01875 26

27 .014195 .016 .0173 .0164 .143 .0171875 27

28 .012641 .014 .0162 .0149 .139 .015625 28

29 .011257 .013 .0150 .0136 .134 .0140625 29

30 .010025 .012 .0140 .0124 .127 .0125 30

31 .008928 .01 .0132 .0116 .120 .0109375 31

32 .00795 .009 .0128 .0108 .115 .01015625 32

33 .00708 .008 .0118 .0100 .112 .009375 33

34 .006304 .007 .0104 .0092 .110 .00859375 34

35 .005614 .005 .0095 .0084 .108 .0078125 35

36 .005 .004 .0090 .0076 .106 .00703125 36

37 .004453 .... .... .0068 .103 .006640625 37

38 .003965 .... .... .0060 .101 .00625 38

39 .003531 .... .... .0052 .099 .... 39

40 .003144 .... .... .0048 .097 .... 40

UNITED STATES STANDARD SIZES OF BOLTS.

DIAM- ETER. Distance Across Flats, Square and Hex. Distance Across Corners, Hex. Thickness of Head.

¹⁄₄″ ¹⁄₂″ ⁹⁄₁₆″ ¹⁄₄″

³⁄₈ ¹¹⁄₁₆ ²⁵⁄₃₂ ¹¹⁄₃₂

¹⁄₂ ⁷⁄₈ 1 ⁷⁄₁₆

⁵⁄₈ 1 ¹⁄₁₆ 1 ⁷⁄₃₂ ¹⁷⁄₃₂

³⁄₄ 1 ¹⁄₄ 1 ⁷⁄₁₆ ⁵⁄₈

⁷⁄₈ 1 ⁷⁄₁₆ 1 ²¹⁄₃₂ ²¹⁄₃₂

1 1 ⁵⁄₈ 1 ⁷⁄₈ ¹³⁄₁₆

1 ¹⁄₈ 1 ¹³⁄₁₆ 2 ³⁄₃₂ ²⁹⁄₃₂

1 ¹⁄₄ 2 2 ⁵⁄₁₆ 1

1 ³⁄₈ 2 ³⁄₁₆ 2 ¹⁄₂ 1 ³⁄₃₂

1 ¹⁄₂ 2 ³⁄₈ 2 ³⁄₄ 1 ³⁄₁₆

1 ⁵⁄₈ 2 ⁹⁄₁₆ 2 ¹⁵⁄₁₆ 1 ⁹⁄₃₂

1 ³⁄₄ 2 ³⁄₄ 3 ³⁄₁₆ 1 ³⁄₈

1 ⁷⁄₈ 2 ¹⁵⁄₁₆ 3 ¹³⁄₃₂ 1 ¹⁵⁄₃₂

2 3 ¹⁄₈ 3 ⁵⁄₈ 1 ⁹⁄₁₆

2 ¹⁄₄ 3 ¹⁄₂ 4 ¹⁄₁₆ 1 ³⁄₄

2 ¹⁄₂ 3 ⁷⁄₈ 4 ¹⁄₂ 1 ¹⁵⁄₁₆

2 ³⁄₄ 4 ¹⁄₄ 4 ⁷⁄₈ 2 ¹⁄₈

3 4 ⁵⁄₈ 5 ¹¹⁄₃₂ 2 ⁵⁄₁₆

UNITED STATES STANDARD SCREW THREAD GAUGE.

Fig. 316.