NF EN 24015
Fasteners. Hexagon head bolts. Product grade B. Reduced shank (shank diameter = pitch diameter).
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.
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