Lock Washers – What to Look For?
There has always been an unresolved doubt about the DIN 6797 and DIN 6798 lock washers. In today’s blog post we want to try to dissipate it along with you.. Different countries, different lettering In Germany, in order to differentiate the various shapes (e.g. external serrated, internal serrated, flared serrated, etc.) are used the following […]
How to Make a Correct Designation System for Fasteners?
The “UNI 3740-1 – 1999 – Threaded steel connection elements. Technical requirements. General information.” standards, in addition to specifying the general requirements for steel nuts, bolts and studs, also identifies a system for the designation of fasteners. Furthermore, the “UNI ISO 1891:2014 – Fasteners – Terminology” provides translation guidance for terms and nomenclature commonly used […]
What Are the National and International Standard-Setting Bodies?
Today we talk about the existing standard-setting bodies. But first, we want make some premise about standardisations and unifications. What are the difference between standardisations and unifications? First of all, standardisations are actions to establish and enforce rules, to put a specific field of activity in order. Secondly, the unifications are forms of standardisation. These […]