Disc wheels for motor vehicles and trailers – Fasteners for stud centring
This standard specifies requirements for fasteners for stud-centred disc wheels on motor vehicles and trailers.
Any necessary draft on the hexagon shall be within the tolerance on the width across flats.

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Conical spring washers for bolt/nut assemblies
Hot rolled products of structural steels — Part 2: Technical delivery conditions for non-alloy structural steels
Hexagon thin slotted nuts and castle nuts with metric coarse and fine pitch thread Product grades A and B
Steel rod, bars and wire for cold heading and cold extrusion Part 2: Technical delivery conditions for steels not intended for heat treatment after cold working – English version of DIN EN 10263-2
Bolts, Screws, Nuts and Similar Threaded and Formed Parts – Technical Conditions of Delivery – Self-Tapping Screws