From the Ministry of Industry and Technology:  
 
COMMUNIQUÉ  ON  
TS 1026 -50 FASTENERS – HEXAGON  SLOTTED AND CASTLE NUT S – PART  50: 
METRIC COARSE AND FINE PITCH THREAD – PRODUCT GRADES  A AND B  
STANDARD  
(COMMUNIQU É NO: MSG – MS – 2018  / ) 
 
 
  
Purpose  
ARTICLE 1  – (1) The purpose of this Communiqué is to identify issues related to the 
implementation of application  of TS 1026 -50 (January  2018) “Fasteners – Hexagon Slotted 
And Castle  Nuts – Part 50: Metric Coarse a nd Fine Pitch Thread – Product Grades A a nd B ” 
standard.  
 
Scope  
ARTICLE 2  – (1) This standard covers the definition, classification and specifications, 
sampling, examination and tests and placing on the market of  hexagon slotted and castle n uts 
with thread diameter 4 mm to 100 mm, metric coarse and fine pitch thread , product grade A 
(rated thread diameter up to 16 mm) and product grade B (rated thread diameter greater than 16 
mm) . 
 
Legal Basis  
ARTICLE 3  – (1) This   Communiqué; has   been drawn up base d on the Presidential 
Decree  No 1 on Organisation  of the Presidency published in the Official Journal numbered 
3047 4 and   dated 10/7/2018; Law No  1705    on the Prevention of Adulteration in Trade and 
Supervision and Protection of Exports dated 10/6/1930; Presidential Decree No 4 on the 
Organization of Af filated, Related, Associated Institutions and Institutions and Other 
Institutions and Organizations which are affiliated to Ministries published in the Official 
Journal numbered 30479 and dated 10/7/2018 and Regulation on Mutual Recognition in Non -
regulate d Areas that was put into force with the Decision No. 2012/3169   of the Council of 
Ministers dated 2/5/2012.  
Putting into Effect  
ARTICLE 4 – (1) TS 1026 -60 “Fasteners – Nuts – Hexagon Part  60 – Castle Metric 
Coarse and Fine  Pitch Thread  – Product Grade A” standard is canceled. Instead, TS 1026 -50 
(January 2018) “Fasteners – Hexagon Slotted And Castle Nuts – Part 50: Metric Coarse and 
Fine Pitch Thread – Product Grades A and B” was decided to be published in the meeting of 
Technical Board of Turkish Standards  Institution (TSE) dated 15/1/2018 has been put into 
effect as mandatory in manufacturing and sales stages.  
 
Compliance Obligation  
ARTICLE 5 – (1) Those who produce and sell products on  the market within the scope 
of TS 1026 -50 (January  2018) “Fasteners – Hexagon Slotted And Castle  Nuts – Part 50: Metric 
Coarse a nd Fine Pitch Thread – Product Grades A a nd B ” Standard shall be obliged to comply 
with the provisions of this Communiqué.  
 Mutual Recognition Clause  
ARTICLE 6  – (1)  The provisions of this Communiqué on TS 1026 -50 (January  2018) 
“Fasteners – Hexagon Slotted And Castle  Nuts – Part 50: Metric Coarse a nd Fine Pitch Thread – 
Product Grades A a nd B ” shall not apply to the products which were legally produced or put 
into free circulation in a Member State of the European Union.  
   (2) Nonetheless, the Ministry of Industry and Technology may submit the product 
referred to in paragraph (1) to an evaluation following the rules and procedures laid down in 
Chapter Three of Reg ulation on Mutual Recognition in Non -Harmonised Area which was put 
into force by Decision of Council of Ministers No. 2012/3169 of 2/5/2012 and as a result of this 
evaluation if it finds out that this product does not provide a level of protection equivale nt to 
that sought by this Communiqué on  TS 1026 -50 (January  2018) “Fasteners – Hexagon Slotted 
And Castle  Nuts – Part 50: Metric Coarse a nd Fine Pitch Thread – Product Grades A a nd B ” it 
may prohibit placing on the market of the product, make its placing on  the market subject to 
prior conditions or have the product withdrawn or recalled from the market.  
 
Provision  
ARTICLE 7  – (1) TS 1026 -50 (January  2018) “Fasteners – Hexagon Slotted And Castle  
Nuts – Part 50: Metric Coarse a nd Fine Pitch Thread – Product Grades A a nd B ” Standard shall 
be obtained from the central organization or provincial representative offices of TSE. Contact 
information can be accessed from the website of the TSE.  
 
Repeal  
ARTICLE 8 – (1) TS 1026 -60 “Fasteners – Nuts – Hexagon Part Castle Metric Coarse 
and Fine Pitch Thread – Product Grade A” standard that was put into effect as mandatory with 
the Communiqué (Communiqué No: Mandatory Standard 96/125 -126) that was published in 
the Official Gazette No: 22837 and dated 4/12/1996  has been repealed.  
 
Entry into Force  
ARTICLE 9 – (1) This Communiqué shall enter into force six months after its 
publication.  
 
Enforcement  
ARTICLE 10 – (1) The provisions of this Communiqué shall be enforced by the 
Minister of Industry and Technology.