BS EN 14399-3 System HR - Proof Load values for Nuts

Thread
d
Nominal stress area
of standard test mandarel
(mm^2)
Property Class
8
(N)
Property Class
10
(N)
M1284.38430097800
M16157157000182100
M20245245000284200
M22303303000351200
M24353353000409500
M27459459000532400
M30561561000650800
M36817817000947700

The Proof Load values are based on stress of 1000 MPa for property class 8; and 1160 MPa for property class 10. Tolerance class 6H or 6AZ.

For use with BS EN 14399 High-strength structural bolting assemblies for preloading

Whilst the information is provided in good faith, Andrews Fasteners Ltd are not under any responsibility or liability in respect of errors or information that was found to be incorrect or for any reliance the user may place on it.

↫ Go back