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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 />

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

BS 4190: 2001<br />

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

ameter<br />

nf<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 />

Capachy<br />

Nominal Exact<br />

O.8A1p1<br />

P<br />

kN<br />

A1p1<br />

P1<br />

kN<br />

47.2<br />

87.9<br />

137<br />

170<br />

198<br />

257<br />

314<br />

59.0<br />

110<br />

172<br />

212<br />

247<br />

321<br />

393<br />

GRADE 10.9 COUNTERSUNK BOLTS IN S 275<br />

Shear<br />

Capacity<br />

Single Double<br />

Shear Shear<br />

P,<br />

kN<br />

33.7<br />

62.8<br />

980<br />

121<br />

141<br />

184<br />

224<br />

Bearing Capacity in kN (Minimum nf P5 and P)<br />

End distance equal to 2 o bolt diameter.<br />

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

2P,<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 />

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

11.0<br />

7.36<br />

Values in it a/ic are greater than the doable shear capacity of the bolt.<br />

Bearing values assume standard clearance holes.<br />

0<br />

0<br />

0<br />

0<br />

0<br />

16.6<br />

14.7<br />

9.20<br />

5.06<br />

0<br />

0<br />

0<br />

22.1<br />

22.1<br />

18.4<br />

15.2<br />

11.0<br />

If oversize or short slotted ho/es are used, bearing values should be msltiplied by 0.7.<br />

3.11<br />

0<br />

27.6<br />

29.4<br />

27.6<br />

25.3<br />

22.1<br />

15.5<br />

6.90<br />

If long slotted or kidney shaped ho/es are used, bearing valaes should be maltiptied by 0.5.<br />

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

33.1<br />

36.8<br />

36.8<br />

35.4<br />

33.1<br />

27.9<br />

20.7<br />

38.6<br />

44.2<br />

46.0<br />

45.5<br />

44.2<br />

40.4<br />

34.5<br />

49.7<br />

58.9<br />

64.4<br />

65.8<br />

66.2<br />

65.2<br />

62.1<br />

Bolt data 1245<br />

66.2<br />

81.0<br />

92.0<br />

96.1<br />

99.4<br />

102<br />

104<br />

93.8<br />

118<br />

138<br />

147<br />

155<br />

165<br />

173<br />

121<br />

/55<br />

184<br />

197<br />

210<br />

227<br />

242<br />

149<br />

19/<br />

230<br />

248<br />

265<br />

289<br />

311

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