740:
116:
1563:
5023:
1574:
480:
1549:
1583:
1607:
38:
735:{\displaystyle {\begin{aligned}D_{\text{min}}&=D_{\text{maj}}-2\cdot {\frac {5}{8}}\cdot H=D_{\text{maj}}-{\frac {5{\sqrt {3}}}{8}}\cdot P\approx D_{\text{maj}}-1.082532\cdot P\\D_{\text{p}}&=D_{\text{maj}}-2\cdot {\frac {3}{8}}\cdot H=D_{\text{maj}}-{\frac {3{\sqrt {3}}}{8}}\cdot P\approx D_{\text{maj}}-0.649519\cdot P\end{aligned}}}
1377:
threads, with a very fine pitch thread. Superfine pitch metric threads are occasionally used in automotive components, such as suspension struts, and are commonly used in the aviation manufacturing industry. This is because extra fine threads are more resistant to coming loose from vibrations. Fine
106:
The "M" designation for metric screws indicates the nominal outer diameter of the screw thread, in millimetres. This is also referred to as the "major" diameter in the information below. It indicates the diameter of smooth-walled hole that a male thread (e.g. on a bolt) will pass through easily to
1540:
934 hex nuts and hex head bolts. Other (usually smaller) sizes may occur to reduce weight or cost, including the small series flange bolts defined in ISO 4162 which typically have hexagonal head sizes corresponding to the smaller 1st choice thread size (eg. M6 small series flange bolts have 8mm
273:
107:
connect to an internally threaded component (e.g. a nut) on the other side. That is, an M6 screw has a nominal outer diameter of 6 millimetres and will therefore be a well-located, co-axial fit in a hole drilled to 6 mm diameter.
353:
4349:
1588:
787:
can be appended to these designations, if required (e.g. M500ā 6g in external threads). External threads are designated by lowercase letter, g or h. Internal threads are designated by upper case letters, G or H.
485:
146:. ISO metric threads consist of a symmetric V-shaped thread. In the plane of the thread axis, the flanks of the V have an angle of 60Ā° to each other. The thread depth is 0.54125 Ć pitch. The outermost
191:
3861:
2442:(UTS, UNC, UNF, UNEF and UNS) ā a US/Canadian/British thread standard that uses the same 60Ā° profile as metric threads, but an inch-based set of diameter/pitch combinations.
1347:. They are defined in ISO 3, with "1st choice" sizes being from the RĖĖ10 series and "2nd choice" and "3rd choice" sizes being the remaining values from the RĖĖ20 series.
123:
The design principles of ISO general-purpose metric screw threads ("M" series threads) are defined in international standard ISO 68-1. Each thread is characterized by its
2266:
ISO 965-5: Limits of sizes for internal screw threads to mate with hot-dip galvanized external screw threads with maximum size of tolerance position h before galvanizing
3856:
56:
1382:
than coarse threads, which means the bolt or stud has a greater cross-sectional area (and therefore greater load-carrying capability) for the same nominal diameter.
2263:
ISO 965-4: Limits of sizes for hot-dip galvanized external screw threads to mate with internal screw threads tapped with tolerance position H or G after galvanizing
3361:
2739:
100:
284:
3583:
4658:
4578:
4369:
4364:
4210:
4376:
2460:
2568:
2730:
2285:
4909:
3271:
4978:
4779:
4302:
3685:
3276:
3246:
2619:
4623:
3953:
3750:
2679:
769:(e.g. M8-1.25 or M8Ć1.25). If the pitch is the normally used "coarse" pitch listed in ISO 261 or ISO 262, it can be omitted (e.g. M8).
3074:
4150:
3174:
2655:
2331:
1536:) sizes for metric screw threads. Hexagonal (generally abbreviated to "hex") head widths (width across flats, spanner size) are for
74:
1537:
4714:
3886:
3730:
4809:
4804:
4511:
4603:
3933:
3866:
3446:
3094:
2434:
2308:
2349:
2343:
2552:
2525:
4948:
4426:
2723:
2376:
4608:
4516:
4466:
4225:
3558:
3553:
2603:
2355:
443:. In practice this means that one can measure the diameter over the threads of a bolt to find the nominal diameter
2671:
2540:
2296:
268:{\displaystyle H={\frac {1}{\tan \theta }}\cdot {\frac {P}{2}}={\frac {\sqrt {3}}{2}}\cdot P\approx 0.8660\cdot P}
5047:
4874:
4819:
4598:
4583:
4563:
3841:
3261:
2757:
4922:
4829:
4618:
4593:
3805:
3800:
2429:
2387:
2311:
metric screw thread standard that largely follows the ISO, but with some differences in pitch and head sizes.
4476:
4018:
4008:
4003:
3578:
3563:
3503:
2646:
2439:
5026:
4794:
4784:
3913:
3331:
2912:
2716:
2409:
2337:
797:
96:
2290:
2281:
4215:
4078:
3725:
3099:
2947:
2917:
2810:
2800:
2761:
2753:
2579:
2508:
ISO 965-1:2013 ISO general purpose metric screw threads ā Tolerances ā Part 1: Principles and basic data
2366:
757:
A metric ISO screw thread is designated by the letter M followed by the value of the nominal diameter
4973:
4879:
4613:
4588:
4431:
4272:
3710:
3513:
3386:
3169:
2381:
4814:
4553:
2689:
4759:
4694:
3034:
2554:
ISO 262:1998 ISO general purpose metric screw threads ā Selected sizes for screws, bolts and nuts
2419:
2371:
745:
Tables of the derived dimensions for screw diameters and pitches defined in ISO 261 are given in
425:. Conversely, in an internal (female) thread (e.g. in a nut), the major and minor diameters are
115:
1354:
pitch is the commonly used default pitch for a given diameter. In addition, one or two smaller
3588:
2651:
2475:
ISO 68-1:1998 ISO general purpose screw threads ā Basic profile ā Part 1: Metric screw threads
765:, both expressed in millimetres and separated by a dash or sometimes the multiplication sign,
4322:
4063:
3391:
2676:
2473:
1562:
5057:
5052:
4932:
4653:
4558:
4312:
4240:
4235:
4230:
3715:
3678:
3673:
3668:
3663:
3658:
3653:
3648:
2683:
2361:
119:
Basic profile of all ISO metric screw threads, where the male part has the external thread
348:{\displaystyle P=2\tan \theta \cdot H={\frac {2}{\sqrt {3}}}\cdot H\approx 1.1547\cdot H}
4220:
3968:
3780:
3643:
3633:
3628:
3623:
3618:
3613:
3608:
3603:
3598:
2967:
2957:
2239:
1573:
1548:
5041:
5008:
4983:
4968:
4904:
4899:
4894:
4889:
4884:
4729:
4674:
4643:
4633:
4496:
4486:
4456:
4451:
4401:
4381:
4359:
4344:
4297:
4262:
4205:
4200:
4190:
4068:
4013:
3988:
3983:
3963:
3836:
3376:
2952:
2815:
2785:
2404:
2398:
1439:
1413:
1344:
865:
839:
1373:
In addition to coarse and fine threads, there is another division of extra fine, or
4869:
4839:
4699:
4043:
4038:
3901:
3896:
3891:
3810:
3755:
3705:
3638:
3593:
3568:
3498:
3493:
3488:
3483:
3478:
3436:
3401:
3311:
3306:
3134:
2942:
2708:
2424:
2414:
2392:
2257:
ISO 965-2: Limits of sizes for general purpose external and internal screw threads.
2228:
ISO 68-1: ISO general purpose screw threads ā Basic profile ā Metric screw threads.
1379:
139:
124:
92:
390:
size can be approximated by subtracting the thread pitch from the major diameter.
4844:
4541:
4536:
4531:
4115:
4032:
3004:
2700:
2463:, 2007-03-05, Version 1.3. Table 3: The market share of each screw thread, p. 7.
1582:
2644:
Oberg, Erik; Jones, Franklin D.; Horton, Holbrook L.; Ryffel, Henry H. (2000),
1370:
have (in this context) no relation to the manufacturing quality of the thread.
411:
dimensions of the thread. This means that the external thread must end flat at
4834:
4739:
4446:
4421:
4185:
4140:
3876:
3533:
3346:
3239:
3234:
3229:
3189:
3164:
3039:
2795:
2326:
2249:
17:
5003:
4998:
4993:
4988:
4963:
4953:
4914:
4864:
4859:
4854:
4849:
4754:
4749:
4744:
4734:
4724:
4709:
4689:
4684:
4679:
4628:
4573:
4568:
4548:
4526:
4506:
4461:
4441:
4396:
4391:
4386:
4354:
4317:
4307:
4292:
4287:
4282:
4267:
4252:
4247:
4175:
4170:
4165:
4145:
4135:
4130:
4125:
4110:
4105:
4053:
4048:
4028:
3998:
3973:
3958:
3928:
3881:
3871:
3851:
3846:
3831:
3826:
3740:
3461:
3456:
3351:
2997:
2992:
2987:
2982:
2977:
2885:
2880:
2875:
2870:
2321:
1358:
pitches are defined, for use in applications where the height of the normal
387:
368:
of this height is cut, the difference between major and minor diameters is
2615:
2506:
4638:
4416:
4120:
3948:
3785:
3775:
3760:
3735:
3720:
3695:
3690:
3573:
3548:
3543:
3528:
3523:
3518:
3508:
3473:
3468:
3451:
3431:
3426:
3421:
3416:
3411:
3406:
3396:
3381:
3371:
3366:
3356:
3341:
3336:
3326:
3321:
3316:
3301:
3296:
3291:
3286:
3281:
3266:
3251:
3224:
3219:
3214:
3209:
3204:
3199:
3194:
3184:
3179:
3159:
3154:
3144:
3139:
3129:
3124:
3114:
3109:
3104:
3079:
3069:
2962:
2865:
2860:
2855:
2850:
2845:
2840:
2835:
2830:
2825:
2695:
1362:
pitch would be unsuitable (e.g. threads in thin-walled pipes). The terms
4927:
4719:
4704:
4501:
4491:
4481:
4257:
4073:
4023:
3918:
3906:
3064:
3059:
3054:
3049:
3044:
3029:
3024:
3019:
3014:
3009:
2972:
2927:
2922:
2907:
2902:
2897:
2245:
2234:
ISO 262: ISO general purpose metric screw threads ā Selected sizes for
1606:
784:
746:
805:
specifies a detailed list of preferred combinations of outer diameter
4789:
4774:
4769:
4764:
4436:
4411:
4339:
4195:
4180:
4160:
4155:
4100:
4093:
4088:
4083:
3978:
3943:
3790:
3441:
3256:
2820:
1533:
817:
specifies a shorter list of thread dimensions ā a subset of ISO 261.
2527:
ISO 261:1998 ISO general purpose metric screw threads ā General plan
2511:. International Organization for Standardization. 15 September 2013.
780:
and the length expressed in millimetres (e.g. M8-1.25Ć30 or M8Ć30).
4277:
2557:. International Organization for Standardization. 17 December 1998.
2530:. International Organization for Standardization. 17 December 1998.
4824:
4799:
4521:
4406:
4058:
3923:
3795:
3770:
3765:
3745:
3119:
3089:
3084:
2805:
2790:
2780:
2775:
2235:
773:
393:
In an external (male) thread (e.g. on a bolt), the major diameter
114:
2231:
ISO 261: ISO general purpose metric screw threads ā General plan.
4471:
4334:
4327:
3993:
3938:
3538:
3149:
2677:
DIN 931: M1,6 to M39 Hexagon head bolts (Product grades A and B)
1587:
798:
Preferred metric sizes Ā§ ISO_261 and 262 fastener diameters
2712:
4958:
4648:
3700:
31:
185:
is half the included angle of the thread, in this case 30Ā°:
2690:
IS 9519: Fasteners - Hexagon products - Width across flats
1541:
hexagonal heads, as would normally be found on M5 bolts).
429:
dimensions; therefore the thread profile must end flat at
2672:
Diagrams and tables of many screwthread series. In German
52:
2696:
Metric screw thread profile, dimensions and tolerances
2488:
2260:
ISO 965-3: Deviations for constructional screw threads
483:
287:
194:
4941:
4667:
3819:
2768:
2358:(BSW) ā a British thread standard with 55Ā° profile.
47:
may be too technical for most readers to understand
2650:(26th ed.), New York: Industrial Press Inc.,
821:ISO 262 selected sizes for screws, bolts and nuts
734:
418:, but can be rounded out below the minor diameter
347:
267:
91:is the most commonly used type of general-purpose
2478:. International Organization for Standardization.
474:are derived from the major diameter and pitch as
101:International Organization for Standardization
2724:
2248:: ISO general purpose metric screw threads ā
170:of the V-shape are cut off from the profile.
8:
761:(the maximum thread diameter) and the pitch
181:is found using the following equation where
1343:The thread values are derived from rounded
2731:
2717:
2709:
2501:
2499:
2497:
1378:and superfine threads also have a greater
710:
684:
678:
669:
646:
631:
614:
588:
562:
556:
547:
524:
509:
492:
484:
482:
315:
286:
235:
222:
201:
193:
75:Learn how and when to remove this message
59:, without removing the technical details.
2701:Metric bolt sizes, threads and materials
2520:
2518:
1543:
1389:
819:
2453:
1423:
849:
95:worldwide. They were one of the first
1620:
450:, and the inner diameter of a nut is
57:make it understandable to non-experts
7:
2620:International Standards Organisation
2254:ISO 965-1: Principles and basic data
1625:
173:The relationship between the height
2293:: Preferred Metric Limits and Fits
25:
2332:British Association screw threads
2278:BS 3643: ISO metric screw threads
5022:
5021:
1605:
1586:
1581:
1572:
1561:
1547:
36:
2286:Metric Screw Threads: M Profile
1532:Below are some common spanner (
813:for ISO metric screw threads.
436:but may be rounded out beyond
1:
2435:United States Standard thread
783:Tolerance classes defined in
467:and effective pitch diameter
2604:Gewindetabellen 15, page 519
2350:British standard pipe thread
2344:British standard fine thread
2377:List of drill and tap sizes
2291:ANSI/ASME B4.2-1978 (R2009)
1556:Spanner (wrench) size (mm)
776:or bolt is indicated by an
27:Hardware threading standard
5074:
2405:Photographic Filter thread
2356:British Standard Whitworth
1386:Obsolete pre ISO DIN sizes
795:
103:(ISO) was set up in 1947.
5017:
2750:
2199:
2182:
2165:
2148:
2131:
2114:
2097:
2080:
2063:
2046:
2029:
2012:
1995:
1958:
1941:
1924:
1847:
1830:
1813:
1796:
1779:
1762:
1745:
1728:
1711:
1694:
1624:
1619:
1604:
1580:
1571:
1560:
1555:
1546:
1508:
1477:
1438:
1435:
1425:
1412:
1409:
1399:
1324:
903:
864:
861:
851:
838:
835:
825:
138:in the diagram), and its
2692:, Indian standard (2013)
2682:10 December 2022 at the
2430:Trapezoidal thread forms
2461:ISO/TC/ 1 Business Plan
2440:Unified Thread Standard
1393:for historical purposes
400:and the minor diameter
97:international standards
89:ISO metric screw thread
2410:Preferred metric sizes
2338:British Standard Cycle
1578:Socket-head cap screw
1528:Spanner (wrench) sizes
736:
349:
269:
120:
2367:Engineering tolerance
1594:Button-head cap screw
737:
350:
270:
118:
2647:Machinery's Handbook
2382:National pipe thread
481:
285:
192:
1599:flat-head cap screw
1396:
822:
460:The minor diameter
2744:by standard number
2420:Square thread form
2372:Garden hose thread
1395:DIN 13, Din 13-1
1391:Obsolete DIN sizes
1390:
820:
732:
730:
345:
265:
156:and the innermost
121:
5035:
5034:
2758:ISO romanizations
2489:Oberg et al. 2000
2303:Derived standards
2213:
2212:
1525:
1524:
1341:
1340:
713:
695:
689:
672:
654:
634:
617:
591:
573:
567:
550:
532:
512:
495:
325:
324:
245:
241:
230:
217:
85:
84:
77:
16:(Redirected from
5065:
5048:Thread standards
5025:
5024:
2745:
2733:
2726:
2719:
2710:
2661:
2631:
2630:
2628:
2626:
2612:
2606:
2601:
2595:
2594:
2592:
2590:
2585:on 14 March 2017
2584:
2578:. Archived from
2573:
2565:
2559:
2558:
2549:
2543:
2538:
2532:
2531:
2522:
2513:
2512:
2503:
2492:
2486:
2480:
2479:
2470:
2464:
2458:
2282:ANSI/ASME B1.13M
1627:
1622:
1609:
1590:
1585:
1576:
1565:
1551:
1544:
1397:
823:
772:The length of a
741:
739:
738:
733:
731:
715:
714:
711:
696:
691:
690:
685:
679:
674:
673:
670:
655:
647:
636:
635:
632:
619:
618:
615:
593:
592:
589:
574:
569:
568:
563:
557:
552:
551:
548:
533:
525:
514:
513:
510:
497:
496:
493:
377:
376:
372:
367:
366:
362:
354:
352:
351:
346:
326:
320:
316:
274:
272:
271:
266:
246:
237:
236:
231:
223:
218:
216:
202:
165:
164:
160:
155:
154:
150:
99:agreed when the
80:
73:
69:
66:
60:
40:
39:
32:
21:
5073:
5072:
5068:
5067:
5066:
5064:
5063:
5062:
5038:
5037:
5036:
5031:
5013:
4937:
4663:
3815:
2764:
2746:
2743:
2737:
2706:
2684:Wayback Machine
2668:
2658:
2643:
2640:
2635:
2634:
2624:
2622:
2616:"ISO 4162:2012"
2614:
2613:
2609:
2602:
2598:
2588:
2586:
2582:
2571:
2567:
2566:
2562:
2551:
2550:
2546:
2541:ISO & DIN13
2539:
2535:
2524:
2523:
2516:
2505:
2504:
2495:
2487:
2483:
2472:
2471:
2467:
2459:
2455:
2450:
2445:
2388:National thread
2362:Buttress thread
2317:
2305:
2297:DIN13, page 519
2275:
2225:
2220:
1614:
1612:
1610:
1602:
1598:
1577:
1568:
1566:
1552:
1530:
1443:
1429:
1427:
1417:
1403:
1401:
1394:
1392:
1388:
869:
855:
853:
843:
829:
827:
800:
794:
792:Preferred sizes
755:
729:
728:
706:
680:
665:
627:
620:
610:
607:
606:
584:
558:
543:
505:
498:
488:
479:
478:
473:
466:
456:
449:
442:
435:
424:
417:
406:
399:
374:
370:
369:
364:
360:
359:
283:
282:
206:
190:
189:
162:
158:
157:
152:
148:
147:
137:
113:
81:
70:
64:
61:
53:help improve it
50:
41:
37:
28:
23:
22:
15:
12:
11:
5:
5071:
5069:
5061:
5060:
5055:
5050:
5040:
5039:
5033:
5032:
5030:
5029:
5018:
5015:
5014:
5012:
5011:
5006:
5001:
4996:
4991:
4986:
4981:
4976:
4971:
4966:
4961:
4956:
4951:
4945:
4943:
4939:
4938:
4936:
4935:
4930:
4925:
4920:
4917:
4912:
4907:
4902:
4897:
4892:
4887:
4882:
4877:
4872:
4867:
4862:
4857:
4852:
4847:
4842:
4837:
4832:
4827:
4822:
4817:
4812:
4807:
4802:
4797:
4792:
4787:
4782:
4777:
4772:
4767:
4762:
4757:
4752:
4747:
4742:
4737:
4732:
4727:
4722:
4717:
4712:
4707:
4702:
4697:
4692:
4687:
4682:
4677:
4671:
4669:
4665:
4664:
4662:
4661:
4656:
4651:
4646:
4641:
4636:
4631:
4626:
4621:
4616:
4611:
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4285:
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4265:
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4218:
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4178:
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3991:
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3899:
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3879:
3874:
3869:
3864:
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3839:
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3823:
3821:
3817:
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3808:
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3798:
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3409:
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2667:
2666:External links
2664:
2663:
2662:
2656:
2639:
2636:
2633:
2632:
2607:
2596:
2569:"Final report"
2560:
2544:
2533:
2514:
2493:
2491:, p. 1706
2481:
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2028:
2024:
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2020:
2017:
2014:
2011:
2007:
2006:
2003:
2000:
1997:
1994:
1990:
1989:
1986:
1983:
1980:
1977:
1974:
1970:
1969:
1966:
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1600:
1595:
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1570:
1558:
1557:
1554:
1529:
1526:
1523:
1522:
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1516:
1513:
1510:
1506:
1505:
1502:
1499:
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1484:
1480:
1479:
1476:
1473:
1470:
1467:
1463:
1462:
1459:
1456:
1453:
1449:
1448:
1437:
1434:
1424:
1422:
1411:
1408:
1387:
1384:
1380:minor diameter
1339:
1338:
1335:
1332:
1329:
1326:
1322:
1321:
1318:
1315:
1312:
1309:
1306:
1303:
1300:
1296:
1295:
1292:
1289:
1286:
1283:
1280:
1277:
1274:
1270:
1269:
1266:
1263:
1260:
1257:
1254:
1251:
1248:
1244:
1243:
1240:
1237:
1234:
1231:
1228:
1225:
1222:
1218:
1217:
1214:
1211:
1208:
1205:
1202:
1199:
1196:
1192:
1191:
1188:
1185:
1182:
1179:
1176:
1173:
1170:
1166:
1165:
1162:
1159:
1156:
1153:
1150:
1147:
1144:
1140:
1139:
1136:
1133:
1130:
1127:
1124:
1121:
1118:
1114:
1113:
1110:
1107:
1104:
1101:
1098:
1095:
1092:
1088:
1087:
1084:
1081:
1078:
1075:
1072:
1069:
1066:
1062:
1061:
1058:
1055:
1052:
1049:
1046:
1043:
1040:
1036:
1035:
1032:
1029:
1026:
1023:
1020:
1017:
1014:
1010:
1009:
1006:
1003:
1000:
997:
994:
991:
988:
984:
983:
980:
977:
974:
971:
968:
965:
962:
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957:
954:
951:
948:
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942:
939:
936:
932:
931:
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925:
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902:
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793:
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727:
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718:
709:
705:
702:
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694:
688:
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677:
668:
664:
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650:
645:
642:
639:
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626:
623:
621:
613:
609:
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605:
602:
599:
596:
587:
583:
580:
577:
572:
566:
561:
555:
546:
542:
539:
536:
531:
528:
523:
520:
517:
508:
504:
501:
499:
491:
487:
486:
471:
464:
454:
447:
440:
433:
422:
415:
404:
397:
356:
355:
344:
341:
338:
335:
332:
329:
323:
319:
314:
311:
308:
305:
302:
299:
296:
293:
290:
276:
275:
264:
261:
258:
255:
252:
249:
244:
240:
234:
229:
226:
221:
215:
212:
209:
205:
200:
197:
177:and the pitch
166:of the height
135:
125:major diameter
112:
109:
83:
82:
44:
42:
35:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
5070:
5059:
5056:
5054:
5051:
5049:
5046:
5045:
5043:
5028:
5020:
5019:
5016:
5010:
5007:
5005:
5002:
5000:
4997:
4995:
4992:
4990:
4987:
4985:
4982:
4980:
4977:
4975:
4972:
4970:
4967:
4965:
4962:
4960:
4957:
4955:
4952:
4950:
4947:
4946:
4944:
4940:
4934:
4931:
4929:
4926:
4924:
4921:
4918:
4916:
4913:
4911:
4908:
4906:
4903:
4901:
4898:
4896:
4893:
4891:
4888:
4886:
4883:
4881:
4878:
4876:
4873:
4871:
4868:
4866:
4863:
4861:
4858:
4856:
4853:
4851:
4848:
4846:
4843:
4841:
4838:
4836:
4833:
4831:
4828:
4826:
4823:
4821:
4818:
4816:
4813:
4811:
4808:
4806:
4803:
4801:
4798:
4796:
4793:
4791:
4788:
4786:
4783:
4781:
4778:
4776:
4773:
4771:
4768:
4766:
4763:
4761:
4758:
4756:
4753:
4751:
4748:
4746:
4743:
4741:
4738:
4736:
4733:
4731:
4728:
4726:
4723:
4721:
4718:
4716:
4713:
4711:
4708:
4706:
4703:
4701:
4698:
4696:
4693:
4691:
4688:
4686:
4683:
4681:
4678:
4676:
4673:
4672:
4670:
4666:
4660:
4657:
4655:
4652:
4650:
4647:
4645:
4642:
4640:
4637:
4635:
4632:
4630:
4627:
4625:
4622:
4620:
4617:
4615:
4612:
4610:
4607:
4605:
4602:
4600:
4597:
4595:
4592:
4590:
4587:
4585:
4582:
4580:
4577:
4575:
4572:
4570:
4567:
4565:
4562:
4560:
4557:
4555:
4552:
4550:
4547:
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4540:
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4523:
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4518:
4515:
4513:
4510:
4508:
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4500:
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4495:
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4470:
4468:
4465:
4463:
4460:
4458:
4455:
4453:
4450:
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4435:
4433:
4430:
4428:
4425:
4423:
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4418:
4415:
4413:
4410:
4408:
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4403:
4400:
4398:
4395:
4393:
4390:
4388:
4385:
4383:
4380:
4378:
4375:
4371:
4368:
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4358:
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4348:
4346:
4343:
4341:
4338:
4336:
4333:
4329:
4326:
4324:
4321:
4320:
4319:
4316:
4314:
4311:
4309:
4306:
4304:
4301:
4299:
4296:
4294:
4291:
4289:
4286:
4284:
4281:
4279:
4276:
4274:
4271:
4269:
4266:
4264:
4261:
4259:
4256:
4254:
4251:
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4246:
4242:
4239:
4237:
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4232:
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4224:
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4219:
4217:
4214:
4212:
4209:
4207:
4204:
4202:
4199:
4198:
4197:
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4179:
4177:
4174:
4172:
4169:
4167:
4164:
4162:
4159:
4157:
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4152:
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4142:
4139:
4137:
4134:
4132:
4129:
4127:
4124:
4122:
4119:
4117:
4114:
4112:
4109:
4107:
4104:
4102:
4099:
4095:
4092:
4090:
4087:
4086:
4085:
4082:
4080:
4077:
4075:
4072:
4070:
4067:
4065:
4062:
4060:
4057:
4055:
4052:
4050:
4047:
4045:
4042:
4040:
4037:
4034:
4030:
4027:
4025:
4022:
4020:
4017:
4015:
4012:
4010:
4007:
4005:
4002:
4000:
3997:
3995:
3992:
3990:
3987:
3985:
3982:
3980:
3977:
3975:
3972:
3970:
3967:
3965:
3962:
3960:
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3809:
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3440:
3438:
3435:
3433:
3430:
3428:
3425:
3423:
3420:
3418:
3415:
3413:
3410:
3408:
3405:
3403:
3400:
3398:
3395:
3393:
3390:
3388:
3385:
3383:
3380:
3378:
3375:
3373:
3370:
3368:
3365:
3363:
3360:
3358:
3355:
3353:
3350:
3348:
3345:
3343:
3340:
3338:
3335:
3333:
3330:
3328:
3325:
3323:
3320:
3318:
3315:
3313:
3310:
3308:
3305:
3303:
3300:
3298:
3295:
3293:
3290:
3288:
3285:
3283:
3280:
3278:
3275:
3273:
3270:
3268:
3265:
3263:
3260:
3258:
3255:
3253:
3250:
3248:
3245:
3241:
3238:
3236:
3233:
3231:
3228:
3227:
3226:
3223:
3221:
3218:
3216:
3213:
3211:
3208:
3206:
3203:
3201:
3198:
3196:
3193:
3191:
3188:
3186:
3183:
3181:
3178:
3176:
3173:
3171:
3168:
3166:
3163:
3161:
3158:
3156:
3153:
3151:
3148:
3146:
3143:
3141:
3138:
3136:
3133:
3131:
3128:
3126:
3123:
3121:
3118:
3116:
3113:
3111:
3108:
3106:
3103:
3101:
3098:
3096:
3093:
3091:
3088:
3086:
3083:
3081:
3078:
3076:
3073:
3071:
3068:
3066:
3063:
3061:
3058:
3056:
3053:
3051:
3048:
3046:
3043:
3041:
3038:
3036:
3033:
3031:
3028:
3026:
3023:
3021:
3018:
3016:
3013:
3011:
3008:
3006:
3003:
2999:
2996:
2994:
2991:
2989:
2986:
2984:
2981:
2979:
2976:
2975:
2974:
2971:
2969:
2966:
2964:
2961:
2959:
2956:
2954:
2951:
2949:
2946:
2944:
2941:
2939:
2936:
2934:
2931:
2929:
2926:
2924:
2921:
2919:
2916:
2914:
2911:
2909:
2906:
2904:
2901:
2899:
2896:
2894:
2891:
2887:
2884:
2882:
2879:
2877:
2874:
2872:
2869:
2867:
2864:
2862:
2859:
2857:
2854:
2852:
2849:
2847:
2844:
2842:
2839:
2837:
2834:
2832:
2829:
2827:
2824:
2823:
2822:
2819:
2817:
2814:
2812:
2809:
2807:
2804:
2802:
2799:
2797:
2794:
2792:
2789:
2787:
2784:
2782:
2779:
2777:
2774:
2773:
2771:
2767:
2763:
2762:IEC standards
2759:
2755:
2754:ISO standards
2749:
2741:
2734:
2729:
2727:
2722:
2720:
2715:
2714:
2711:
2707:
2702:
2699:
2697:
2694:
2691:
2688:
2685:
2681:
2678:
2675:
2673:
2670:
2669:
2665:
2659:
2657:0-8311-2635-3
2653:
2649:
2648:
2642:
2641:
2637:
2621:
2617:
2611:
2608:
2605:
2600:
2597:
2581:
2577:
2576:ntrs.nasa.gov
2570:
2564:
2561:
2556:
2555:
2548:
2545:
2542:
2537:
2534:
2529:
2528:
2521:
2519:
2515:
2510:
2509:
2502:
2500:
2498:
2494:
2490:
2485:
2482:
2477:
2476:
2469:
2466:
2462:
2457:
2454:
2447:
2441:
2438:
2436:
2433:
2431:
2428:
2426:
2423:
2421:
2418:
2416:
2413:
2411:
2408:
2406:
2403:
2401:
2400:
2399:Panzergewinde
2396:
2394:
2391:
2389:
2386:
2383:
2380:
2378:
2375:
2373:
2370:
2368:
2365:
2363:
2360:
2357:
2354:
2351:
2348:
2345:
2342:
2339:
2336:
2333:
2330:
2328:
2325:
2323:
2320:
2319:
2314:
2312:
2310:
2302:
2298:
2295:
2292:
2289:
2287:
2283:
2280:
2277:
2276:
2272:
2265:
2262:
2259:
2256:
2253:
2252:
2251:
2247:
2244:
2241:
2237:
2236:screws, bolts
2233:
2230:
2227:
2226:
2223:International
2222:
2217:
2215:
2208:
2205:
2202:
2196:
2195:
2191:
2188:
2185:
2179:
2178:
2174:
2171:
2168:
2162:
2161:
2157:
2154:
2151:
2145:
2144:
2140:
2137:
2134:
2128:
2127:
2123:
2120:
2117:
2111:
2110:
2106:
2103:
2100:
2094:
2093:
2089:
2086:
2083:
2077:
2076:
2072:
2069:
2066:
2060:
2059:
2055:
2052:
2049:
2043:
2042:
2038:
2035:
2032:
2026:
2025:
2021:
2018:
2015:
2009:
2008:
2004:
2001:
1998:
1992:
1991:
1987:
1984:
1981:
1978:
1975:
1972:
1971:
1967:
1964:
1961:
1955:
1954:
1950:
1947:
1944:
1938:
1937:
1933:
1930:
1927:
1921:
1920:
1916:
1913:
1910:
1907:
1904:
1901:
1900:
1896:
1893:
1890:
1887:
1884:
1881:
1880:
1876:
1873:
1870:
1867:
1864:
1861:
1860:
1856:
1853:
1850:
1844:
1843:
1839:
1836:
1833:
1827:
1826:
1822:
1819:
1816:
1810:
1809:
1805:
1802:
1799:
1793:
1792:
1788:
1785:
1782:
1776:
1775:
1771:
1768:
1765:
1759:
1758:
1754:
1751:
1748:
1742:
1741:
1737:
1734:
1731:
1725:
1724:
1720:
1717:
1714:
1708:
1707:
1703:
1700:
1697:
1691:
1690:
1686:
1683:
1680:
1677:
1674:
1671:
1670:
1666:
1663:
1660:
1657:
1654:
1651:
1650:
1646:
1643:
1640:
1637:
1634:
1631:
1630:
1618:
1608:
1597:Counter-sunk
1596:
1593:
1592:
1589:
1584:
1575:
1564:
1559:
1550:
1545:
1542:
1539:
1535:
1527:
1520:
1517:
1514:
1511:
1507:
1503:
1500:
1497:
1494:
1491:
1488:
1485:
1482:
1481:
1474:
1471:
1468:
1465:
1464:
1460:
1457:
1454:
1451:
1450:
1446:
1441:
1432:
1420:
1415:
1406:
1398:
1385:
1383:
1381:
1376:
1371:
1369:
1365:
1361:
1357:
1353:
1348:
1346:
1345:Renard series
1336:
1333:
1330:
1327:
1323:
1319:
1316:
1313:
1310:
1307:
1304:
1301:
1298:
1297:
1293:
1290:
1287:
1284:
1281:
1278:
1275:
1272:
1271:
1267:
1264:
1261:
1258:
1255:
1252:
1249:
1246:
1245:
1241:
1238:
1235:
1232:
1229:
1226:
1223:
1220:
1219:
1215:
1212:
1209:
1206:
1203:
1200:
1197:
1194:
1193:
1189:
1186:
1183:
1180:
1177:
1174:
1171:
1168:
1167:
1163:
1160:
1157:
1154:
1151:
1148:
1145:
1142:
1141:
1137:
1134:
1131:
1128:
1125:
1122:
1119:
1116:
1115:
1111:
1108:
1105:
1102:
1099:
1096:
1093:
1090:
1089:
1085:
1082:
1079:
1076:
1073:
1070:
1067:
1064:
1063:
1059:
1056:
1053:
1050:
1047:
1044:
1041:
1038:
1037:
1033:
1030:
1027:
1024:
1021:
1018:
1015:
1012:
1011:
1007:
1004:
1001:
998:
995:
992:
989:
986:
985:
981:
978:
975:
972:
969:
966:
963:
960:
959:
955:
952:
949:
946:
943:
940:
937:
934:
933:
929:
926:
923:
920:
917:
914:
911:
908:
907:
900:
897:
894:
891:
890:
886:
883:
880:
877:
876:
872:
867:
858:
846:
841:
832:
824:
818:
816:
812:
808:
804:
799:
791:
789:
786:
781:
779:
775:
774:machine screw
770:
768:
764:
760:
752:
750:
748:
725:
722:
719:
716:
707:
703:
700:
697:
692:
686:
681:
675:
666:
662:
659:
656:
651:
648:
643:
640:
637:
628:
624:
622:
611:
603:
600:
597:
594:
585:
581:
578:
575:
570:
564:
559:
553:
544:
540:
537:
534:
529:
526:
521:
518:
515:
506:
502:
500:
489:
477:
476:
475:
470:
463:
458:
453:
446:
439:
432:
428:
421:
414:
410:
403:
396:
391:
389:
385:
381:
358:Because only
342:
339:
336:
333:
330:
327:
321:
317:
312:
309:
306:
303:
300:
297:
294:
291:
288:
281:
280:
279:
262:
259:
256:
253:
250:
247:
242:
238:
232:
227:
224:
219:
213:
210:
207:
203:
198:
195:
188:
187:
186:
184:
180:
176:
171:
169:
145:
141:
134:
130:
126:
117:
111:Basic profile
110:
108:
104:
102:
98:
94:
90:
79:
76:
68:
65:December 2020
58:
54:
48:
45:This article
43:
34:
33:
30:
19:
18:Metric thread
4880:27000 series
2937:
2932:
2892:
2705:
2645:
2638:Bibliography
2623:. Retrieved
2610:
2599:
2587:. Retrieved
2580:the original
2575:
2563:
2553:
2547:
2536:
2526:
2507:
2484:
2474:
2468:
2456:
2425:Thread angle
2415:Screw thread
2397:
2393:Nominal size
2307:Japan has a
2306:
2214:
1531:
1444:
1430:
1418:
1404:
1374:
1372:
1367:
1363:
1359:
1355:
1351:
1349:
1342:
1282:1.5 or 1.25
870:
856:
844:
830:
814:
810:
806:
802:
801:
782:
777:
771:
766:
762:
758:
756:
744:
468:
461:
459:
451:
444:
437:
430:
426:
419:
412:
408:
401:
394:
392:
383:
379:
357:
277:
182:
178:
174:
172:
167:
143:
132:
128:
122:
105:
93:screw thread
88:
86:
71:
62:
46:
29:
4668:20000ā29999
3820:10000ā19999
2625:23 December
753:Designation
382:= 1.0825 Ć
378:Ć 0.8660 Ć
5042:Categories
4447:16949 (TS)
4044:11941 (TR)
2742:standards
2448:References
2327:ASTM F568M
2322:ASTM A325M
2250:Tolerances
1428:diameter,
1402:diameter,
1256:1.25 or 1
1230:1 or 0.75
854:diameter,
828:diameter,
809:and pitch
796:See also:
4402:15926 WIP
3766:9592/9593
3691:9000/9001
3579:8805/8806
2218:Standards
1613:or grub,
1569:and bolt
1567:Hex nut,
1375:superfine
1008:2 or 1.5
982:2 or 1.5
956:2 or 1.5
785:ISO 965-1
723:⋅
717:−
704:≈
698:⋅
676:−
657:⋅
644:⋅
638:−
601:⋅
595:−
582:≈
576:⋅
554:−
535:⋅
522:⋅
516:−
388:tap drill
386:, so the
340:⋅
334:≈
328:⋅
307:⋅
304:θ
301:
260:⋅
254:≈
248:⋅
220:⋅
214:θ
211:
5027:Category
2752:List of
2680:Archived
2315:See also
2273:National
1426:Nominal
1400:Nominal
852:Nominal
826:Nominal
720:0.649519
598:1.082532
4928:29199-2
4800:23094-2
4795:23094-1
4785:23090-3
4654:19794-5
4649:19775-1
4437:16612-2
4427:16355-1
4116:13406-2
4074:12234-2
3842:10118-3
2246:ISO 965
1553:Thread
1436:Series
1410:Series
862:Series
836:Series
815:ISO 262
803:ISO 261
747:ISO 724
427:minimum
409:maximum
407:define
373:⁄
363:⁄
161:⁄
151:⁄
51:Please
5058:ISO 68
5053:Screws
4942:30000+
3781:9797-1
3589:8820-5
3534:8501-1
3090:1073-2
3085:1073-1
2769:1ā9999
2686:(1987)
2654:
2589:7 July
1615:screw
1534:wrench
1458:Coarse
1452:Coarse
1364:coarse
1360:coarse
1352:coarse
884:Coarse
878:Coarse
337:1.1547
257:0.8660
5009:80000
5004:56000
4999:55000
4994:50001
4989:45001
4984:42010
4979:40500
4974:39075
4969:38500
4964:37001
4959:32000
4954:31000
4949:30170
4933:29500
4923:29148
4919:29110
4915:28000
4910:27729
4905:27006
4900:27005
4895:27002
4890:27001
4885:27000
4875:26324
4870:26300
4865:26262
4860:26000
4855:25964
4850:25178
4845:24728
4840:24707
4835:24617
4830:24613
4825:24517
4820:23941
4815:23360
4810:23271
4805:23270
4790:23092
4780:23009
4775:23008
4770:23003
4765:23000
4760:22537
4755:22395
4750:22301
4745:22300
4740:22275
4735:22000
4730:21827
4725:21500
4720:21122
4715:21047
4710:21001
4705:21000
4700:20830
4695:20802
4690:20400
4685:20121
4680:20022
4675:20000
4659:19831
4644:19770
4639:19757
4634:19752
4629:19600
4624:19510
4619:19509
4614:19508
4609:19507
4604:19506
4599:19505
4594:19503
4589:19502
4584:19501
4579:19500
4574:19439
4569:19407
4564:19136
4559:19125
4554:19115
4549:19114
4532:19092
4527:19011
4522:19005
4517:18916
4512:18629
4507:18245
4502:18181
4497:18014
4492:18004
4487:17799
4482:17506
4477:17442
4472:17369
4467:17203
4462:17100
4457:17025
4452:17024
4442:16750
4432:16485
4422:16262
4417:16023
4412:15938
4407:15930
4397:15926
4392:15924
4387:15919
4382:15897
4377:15707
4365:15706
4360:15693
4355:15686
4350:15511
4345:15504
4340:15438
4335:15445
4318:15444
4313:15408
4308:15398
4303:15291
4298:15288
4293:15189
4288:15022
4283:14971
4278:14882
4273:14764
4268:14698
4263:14651
4258:14649
4253:14644
4248:14617
4196:14496
4191:14443
4186:14396
4181:14289
4176:14224
4171:14031
4166:14000
4161:13818
4156:13816
4151:13616
4146:13584
4141:13568
4136:13567
4131:13490
4126:13485
4121:13450
4111:13399
4106:13250
4101:13216
4084:13211
4079:12620
4069:12207
4064:12182
4059:12052
4054:12006
4049:11992
4039:11941
4029:11940
4024:11898
4019:11889
4014:11801
4009:11785
4004:11784
3999:11783
3994:11544
3989:11404
3984:11179
3979:11172
3974:11170
3969:11073
3964:10967
3959:10962
3954:10957
3949:10861
3944:10746
3939:10664
3934:10646
3929:10628
3924:10589
3919:10585
3914:10383
3882:10303
3877:10279
3872:10218
3867:10206
3862:10179
3857:10165
3852:10161
3847:10160
3837:10116
3832:10007
3827:10006
2583:(PDF)
2572:(PDF)
2384:(NPT)
2352:(BSP)
2346:(BSF)
2340:(BSC)
1760:M3.5
1726:M2.5
1718:1.25
1692:M1.6
1681:1.25
1672:M1.4
1652:M1.2
1611:Set,
1461:Fine
1455:Fine
1447:(mm)
1440:Pitch
1433:(mm)
1421:(mm)
1414:Pitch
1407:(mm)
1204:0.75
1178:0.75
1100:0.35
1074:0.35
1048:0.35
1022:0.25
887:Fine
881:Fine
873:(mm)
866:Pitch
859:(mm)
847:(mm)
840:Pitch
833:(mm)
140:pitch
3907:-238
3811:9995
3806:9985
3801:9984
3796:9945
3791:9899
3786:9897
3776:9660
3771:9594
3761:9564
3756:9529
3751:9506
3746:9496
3741:9407
3736:9362
3731:9314
3726:9293
3721:9241
3716:9227
3711:9141
3706:9126
3701:9075
3696:9036
3686:8879
3639:-8-I
3594:8859
3584:8807
3574:8691
3569:8652
3564:8651
3559:8632
3554:8613
3549:8601
3544:8583
3539:8571
3529:8373
3524:8217
3519:8178
3514:8093
3509:8000
3504:7942
3499:7816
3494:7813
3489:7812
3484:7811
3479:7810
3474:7736
3469:7637
3457:7498
3452:7200
3447:7185
3442:7098
3437:7064
3432:7027
3427:7010
3422:7002
3417:7001
3412:6943
3407:6709
3402:6523
3397:6438
3392:6429
3387:6425
3382:6385
3377:6373
3372:6346
3367:6344
3362:6166
3357:5964
3352:5807
3347:5800
3342:5776
3337:5775
3332:5725
3327:5428
3322:5427
3317:5426
3312:5218
3307:4909
3302:4217
3297:4165
3292:4157
3287:4031
3282:3977
3277:3950
3272:3901
3267:3864
3262:3602
3257:3601
3252:3307
3247:3297
3225:3166
3220:3103
3215:3029
3210:2921
3205:2852
3200:2848
3195:2788
3190:2720
3185:2711
3180:2709
3175:2533
3170:2281
3165:2240
3160:2146
3155:2145
3150:2108
3145:2047
3140:2033
3135:2022
3130:2015
3125:2014
3120:1989
3115:1745
3110:1629
3105:1538
3100:1413
3095:1155
3080:1007
3075:1004
3070:1000
2893:68-1
2652:ISBN
2627:2022
2591:2017
2334:(BA)
2240:nuts
2238:and
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2163:M56
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2129:M48
2112:M45
2095:M42
2078:M39
2061:M36
2044:M33
2027:M30
2010:M27
1993:M24
1973:M22
1956:M20
1939:M18
1922:M16
1902:M14
1882:M12
1862:M10
1806:2.5
1786:2.5
1755:1.5
1749:2.5
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1721:0.9
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1701:0.9
1698:1.5
1695:3.2
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1638:2.5
1501:0.45
1472:0.35
1368:fine
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1279:1.75
1227:1.25
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1126:0.5
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996:0.2
993:0.35
970:0.2
967:0.35
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930:1.5
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915:0.25
901:0.2
898:0.25
87:The
4241:-20
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3674:-15
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3664:-13
3659:-12
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3649:-10
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2933:261
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2908:217
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2740:ISO
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2203:46
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2036:17
2033:22
2030:46
2022:14
2019:17
2016:19
2013:41
2005:12
2002:14
1999:19
1996:36
1985:14
1982:17
1979:32
1976:34
1968:10
1965:12
1962:17
1959:30
1948:12
1945:14
1942:27
1931:10
1928:14
1925:24
1911:10
1908:22
1905:21
1891:10
1888:19
1885:18
1868:17
1865:16
1848:13
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1831:11
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1814:10
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1794:M5
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1743:M3
1709:M2
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1132:R10
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671:maj
633:maj
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549:maj
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465:min
455:min
448:maj
441:maj
434:min
423:min
416:maj
405:min
398:maj
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278:or
208:tan
136:maj
55:to
5044::
4542:-2
4537:-1
4370:-2
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4211:-6
4206:-3
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4094:-2
4089:-1
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3644:-9
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3462:-1
3240:-3
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2998:-6
2993:-5
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2856:-7
2851:-6
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1190:3
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1164:3
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1103:33
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660:H
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