BS EN 2811 is a European standard on aerospace series that covers hexagon nuts in steel cadmium plated.
BS EN 2811 specifies the characteristics of steel, cadmium plated hexagonal nuts, with an upper portion slotted or castellated normal height, normal across flats.
These nuts are intended for use in aircraft assemblies subjected principally to shear loading.
They are intended to be used with threaded parts of 1 100 MPa tensile strength classification and split pins to EN 2367.
BS EN 2811 on hexagon nuts is useful for:
A hexagonal nut is a type of metal fastener that has six sides. Most nuts are cut in a hexagonal shape, since it seems to be the easiest shape to grasp. Nuts, in any form, are almost exclusively used to fasten a bolt to another object. The nylon nut uses nylon in the collar insert.
Metric Slotted Hexagon and Castellated Hexagon Nuts are six sided internally threaded fasteners with slots on the top of them. The slots are used to lock the nut in place on an externally threaded fastener that has a hole drilled through the diameter the threads.
Cadmium is a soft white metal that, when plated onto steel, cast iron, malleable iron, copper, and powdered metal, functions as a "sacrificial coating," corroding before the substrate material.
Aircraft assemblies have to be carried out very carefully as hexagon bolts are used in aircraft assemblies subjected principally to shear loading. BS EN 2811 specifies the characteristics of steel, cadmium plated hexagonal nuts which will help you to make the production process easier and more efficient.
EN 2811:2016