Content with appearance

08 February 2022
It is the requirement that the manufacturer of the EN 14399 assembly will supply them suitably lubricated. The lubrication can be applied either on the bolt thread (external) or the nut thread (internal). Andrews Fasteners, in a majority of cases, choose to apply lubrication on the internal thread of the nuts. Due to the method used to lubricate the nuts, typically they need to be immersed in lubricant in full. Depending on the type of process used, the appearance of the nuts can differ, especially on Hot Dip Galvanised (HDG) nuts.
Read more about The different appearance of lubricated nuts on EN 14399 assemblies

18 December 2015
You may notice, some products after hot-dip galvanization (HDG) coating, even in the same facility, using the same process, may look different from others. It can be noticed that some of the products will be much brighter and others much darker. There is nothing wrong with the product nor with the coating and any difference will depend on the product steel. Variations in coating thickness and the content of silicon in steel may cause different appearances on the finished product.
Read more about Why does galvanizing coating look different?