Fasteners. Hexagon weld nuts with flange not-for-sale The calculation of perforation efficiency

The calculation of perforation efficiency is also specified in this part of ISO 12625

you can ensure that the bolts do not in any way impair the performance or efficiency of the end-application

and have been grouped by steel products according to:

This International Standard is not applicable to professional motion-picture films regardless of their applications

Fasteners. Hexagon weld nuts with flange not-for-sale The calculation of perforation efficiency1 Scope This International Standard specifies characteristics for hexagon weld nuts with flange, with sizes M5 to M16 (coarse thread) or D = 8 mm to 16 mm (fine pitch thread), of product grade A. Weld nuts conforming to this International Standard are suitable for use with bolts of property classes up to 10. 9 according to ISO 898 1.