How to Make a Correct Designation System for Fasteners?

The “UNI 3740-1 â 1999 â 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 âUNI ISO 1891:2014 â Fasteners – Terminologyâ 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 […]
Marking of Stainless Steel Fasteners

The revised standard for the application for bolts, screws and studs with specified property classes (coarse thread and fine pitch thread) came into force on April 2009. The marking of fasteners according to ISO 898 Identification with the manufacturerâs mark and the property class is mandatory for: Marking of bolts and screws are preferably on […]
Bonding and Welding of Stainless Steel

Stainless steel can be joined to other materials using different methods, each with its own characteristics and advantages. Bonding Stainless Steel Stainless steel can be bonded to other materials using several types of adhesives, including: Choosing the most suitable adhesive depends on several factors, such as: In general, a rough surface finish improves adhesive performance, […]
Small Slotted or Cross Recessed Screws. What Changes From DIN to ISO?

The development of standards is evolving constantly. Their content in fact is constantly changing. And the more important thing is that these changes run with the transition from standard DIN to ISO. As in this case (small slotted and cross recessed screws) Introduction of the ISO standard. What changes? With the introduction of the ISO standards […]
Stainless Steel Fasteners â Withdrawal DIN 7981 Standard: 3 Things To Know

Stainless steel fasteners updates! Withdrawal DIN 7981 Standard.
Stainless Steel Fasteners â Withdrawal DIN 7981 Standard: 3 Things To Know
Stainless steel fasteners updates! Withdrawal DIN 7981 Standard.
Cone Point Socket Set Screws . What Are The Differences Between DIN and ISO?

Stainless steel cone point socket set screws are used on materials (e.g: handles, fittings etc..) suitable for being penetrated by the point in order to achieve a stable assembly. Cone points are necessary for good-quality assemblies. Cone point socket set screws. DIN 914: reduced socket depth The DIN 914 standard, states that for lengths shorter or […]
Cone Point Socket Set Screws . What Are The Differences Between DIN and ISO?

Stainless steel cone point socket set screws are used on materials (e.g: handles, fittings etc..) suitable for being penetrated by the point in order to achieve a stable assembly. Cone points are necessary for good-quality assemblies.