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 […]
Stainless Steel. How to Check the Quality?
Stainless Steel. How to Check the Quality? Today we will look at the key factors every buyer should check before placing an order. How to Purchase High-Quality Stainless Steel When ordering stainless steel, it is important to request the right documentation and specifications to avoid unpleasant surprises. Always make sure you receive: If you are […]
Stainless Steel. Why Do Quality Products Cost So Much?
Often poor quality steel (“strangely” competitive) can affect the performance of an artifact after the commissioning. Conformity according to European standards Often, in reference to the non-compliance is detected, stainless steel European and international standards. In fact, there is a mis-identification of the material or of the product itself. How can consumers protect themselves? The […]
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 […]
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.