Types of standards of fasteners

     What is dstu - this is the State Standard of Ukraine, which is regulated by legislation.

     Крім цього він має декілька варіацій: 

• DSTU EN standard of the European Committee for Standardization has been introduced.
• DSTU ISO standard of the International Organization for Standardization has been implemented.
• DSTU GOST state standard GOST has been introduced.

  Let's understand what GOST is - this is a state standard that was introduced on the territory of the USSR and is mandatory for sales between the CIS countries.

• DIN EN – is a European standard (EN), adopted unchanged as the state standard of Germany.
• DIN ISO – is a standard of the International Organization for Standardization, which was adopted by DIN without adjustment.
• DIN EN ISO – is a joint standard of ISO and CEN, adopted without changes by the German Institute for Standardization.
• EN ISO – is the European interpretation of the ISO standard. For ease of use, the numbering assigned by the International Organization for Standardization is retained.
• In a situation where DIN accepts an EN or ISO standard without changes, the previously valid national standard is annulled.