Proof Loads and Breaking Loads

 

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(Metric Bolts) Proof Loads and Breaking Loads

Metric Hexagon Bolts

Class 4.6 and 8.8

Class 4.6 to AS 1111 Class 8.8 to AS 1110
Diameter

Tensile

Stress

Area mm²

Proof

Load

kN

Breaking

Load

kN min

Proof

Load

kN

Breaking

Load

kN min

M5 14.2 3.20 5.68 8.23 11.35
M6 20.1 4.52 8.04 11.6 16.1
M8 36.6 8.24 14.6 21.2 29.2
M10 58.0 13.0 23.2 33.7 46.4
M12 84.3 19.0 33.7 48.9 67.4
M14 115 25.9 46.0 66.7 92.0
M16 157 35.3 62.8 91 125
M18 192 43.2 76.8 115 159
M20 245 55.1 98.0 147 203
M22 303 68.2 121 182 252
M24 353 79.4 141 212 293
M27 459 103 184 275 381
M30 561 126 224 337 466
M33 694 156 278 416 576
M36 817 184 327 490 678
M39 976 220 390 586 810