Spojovací součásti - Šrouby se šestihrannou hlavou s redukovanou hladkou částí dříku (průměr dříku ~ roztečný průměr) - Výrobní třídy B (Norma k přímému použití jako ČSN).

The information about the standard:

Designation standards: ČSN EN ISO 4015
Classification mark: 021100
Catalog number: 515874
Publication date standards: 1.1.2023
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN

Annotation of standard text ČSN EN ISO 4015 (021100):

This document specifies the characteristics of hexagon head bolts with reduced shank (shank diameter approximately equal to pitch diameter), in steel and stainless steel, with metric coarse pitch threads M3 to M20, and with product grade B. If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-1 or ISO 3506-1, and dimensional options from ISO 888 or ISO 4753. NOTE - For hexagon head bolts with full shank, see ISO 4014