1、DEUTSCHE NORMEN August 1971 DC 621.882.082.1 51J05 55,160 63,046 71,046 79,046 89,046 98,987 108,987 118.987 48,487 48,237 0,265 52,148 51,883 O,80 59,749 59,469 0,354 67,749 67,469 0,354 85,749 85,469 0,354 95490 95,390 0,413 105,690 105,390 0,413 115.690 115.390 0.413 75,749 7549 ow Bolted Connect
2、ions with Reduced Shank Metric Thread with Large Clearance Nominal Dimensions and Limits EN 251 O Part 2 SchraubenVerbindungen mit Dehnschaft; Metrisches Gewinde mit groem Spiel, Nennmae und GrenmaBe The threads according to this Standard correspond with the metric IS0 thread according to DIN 13. La
3、rger basic allowances are provided for the bolt thread in order to ensure the minimum flank clearance needed for bolted,connections with reduced shank. Dimensions in mm H = 0,86603 P h3 = 0,61343 P d2 a d - 0,64953 P d3 = d - 1,22687 P R 6 0,14434 P = - H I. Bolt thread Designation of a metric bolt
4、thread M JO: M 30 DIN 2510 Thread limits for bolt thread - Cross- acctiom ,f core 1 mmz min. 69 133 210 303 403 490 614 721 870 996 1171 1316 1586 1829 2 421 3 169 4 017 5 219 6 571 8 o95 9 753 I Minor diameter d3 )utside diameter Effective diameter d I d2 Thread M 16 M20 min. 9,400 13,065 16,383 19
5、,691 22,691 2501 7 28,017 30,344 33344 35,669 38,669 40,991 44,991 48,311 55513 63513 7183 8133 91,494 101,494 1 1 1,494 113,714 128,714 138,714 148,644 158,624 168,624 min. min. mox. 9,676 1339 16,733 23,107 25,481 28,481 30SM 33,856 36,229 39P 41,601 45,Ol 48,972 56,285 64,285 72,285 82,285 92,226
6、 102,226 11236 1 14,625 129525 139,625 149,555 159,555 169,555 m,iw man. 1 1,823 15,823 1 9m 23,788 26,788 29?75 32,775 35,763 38,763 41,750 44,750 47,735 51,735 55,720 63,646 71,646 79M 89w 9997 109,587 11 9,587 124,440 139,440 149,440 159,370 169,370 179,370 - 3 3 3s 33 4 4 M 24 M 27 M 30 M 33 M 3
7、6 M 39 M 42 M 45 M 48 4s 415 5 5 55 6 6 6 6 - - M 52 M 56 M4 M 72x6 M 80x6 M 90x6 M 100x6 M 110x6 M 120x6 6 6 6 M 125x8 M 140x8 M 150x8 M 160x8 M 170x8 M 180x8 8 8 8 8 8 8 - 118,909 163,819 173819 10 150 13 O00 15 110 17 330 I9 720 22 320 2. Nut thread according to DIN 13, tolerance zone 6H 1 These
8、values do not allow for the holes in stud-bolts according to DIN 2510 Part 3 and in studs according to DIN 2510 Part 4 for sizes M 64 and upwards. 2, Diameter difference between maximum size of bolt thread and miniaum size of nut thread. For Explanations see DIN 2510 Part 1 einverkauf der Normen durch Beuth Verlog GmbH, Berlin 30 und Kln 1 DIN 2510 B1. 2 end. Freisar. - 08.84 vertr.-Nr. 0104
