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Steel Designers Manual - TheBestFriend.org

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This material is copyright - all rights reserved. Reproduced under licence from The <strong>Steel</strong> Construction Institute on 12/2/2007<br />

To buy a hardcopy version of this document call 01344 872775 or go to http://shop.steelbiz.<strong>org</strong>/<br />

<strong>Steel</strong> <strong>Designers</strong>' <strong>Manual</strong> - 6th Edition (2003)<br />

1254 Bolt data<br />

BS 5950-1: 2000 BOLT CAPACITIES<br />

BS 4190: 2001<br />

BS 4933: 1973 NON-PRELOADED COUNTERSUNK BOLTS<br />

Diameter<br />

of<br />

Bolt<br />

mm<br />

12<br />

16<br />

20<br />

22<br />

24<br />

27<br />

30<br />

Tensile<br />

Stress<br />

Area<br />

A1<br />

mm<br />

84.3<br />

157<br />

245<br />

303<br />

353<br />

459<br />

561<br />

Tension<br />

Capacity<br />

Nominal Exact<br />

0.8A1p1<br />

P<br />

kN<br />

A1p1<br />

P,<br />

kN<br />

47.2 59.0<br />

87.9 110<br />

137<br />

170<br />

198<br />

257<br />

314<br />

172<br />

212<br />

247<br />

321<br />

393<br />

GRADE 10 9 COUNTERSUNK BOLTS IN S355<br />

Single<br />

Shear<br />

P<br />

rN<br />

33,7<br />

62.8<br />

980<br />

121<br />

141<br />

184<br />

224<br />

Shear<br />

Capacity<br />

Bearing Capacity in kN (Minimum of P and P)<br />

End distance eqoal to 20 bolt diameter.<br />

Double<br />

Shear<br />

2P<br />

Thickness in mm of ply passed through.<br />

kN 5 6 7 8 9 10 12 15 20 25 30<br />

67.4<br />

126<br />

196<br />

242<br />

282<br />

367<br />

449<br />

13.2<br />

8.80<br />

Values in bold are less thao the single shear capacity of the bolt.<br />

Values in italic are greater than the double shear capacity of the bolt.<br />

Bearing values assume standard clearance holes.<br />

0<br />

0<br />

0<br />

0<br />

0<br />

19.8<br />

17.6<br />

11.0<br />

6.05<br />

0<br />

0<br />

0<br />

26.4<br />

26.4<br />

22.0<br />

18.2<br />

13.2<br />

3.71<br />

If oversize or short slotted holes are used, bearing values should be multiplied by 07.<br />

If long slotted or kidney shaped holes are used, bearing values should be multiplied by 0.5.<br />

Depth of countersink is taken as half the bolt diameter.<br />

0<br />

33.0<br />

35.2<br />

33.0<br />

30.3<br />

26.4<br />

18.6<br />

8.25<br />

39.6<br />

44.0<br />

44.0<br />

42.4<br />

39.6<br />

33.4<br />

24.8<br />

46.2<br />

52.8<br />

55.0<br />

54.5<br />

52.8<br />

48.3<br />

41.3<br />

59.4<br />

70.4<br />

77.0<br />

78.7<br />

79.2<br />

78.0<br />

74.3<br />

79.2<br />

96.8<br />

110<br />

115<br />

119<br />

123<br />

124<br />

112<br />

l41<br />

165<br />

175<br />

185<br />

197<br />

206<br />

145<br />

185<br />

220<br />

236<br />

251<br />

27t<br />

289<br />

l78<br />

229<br />

275<br />

296<br />

317<br />

345<br />

371

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