BS EN ISO 10684:2004

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
5 Hot dip galvanizing procedures and precautions
6 Requirements on thread tolerances and additional marking
7 Mechanical properties of nuts tapped oversize and
   undersize threaded bolts, screws and studs
8 Coating requirements
9 Lubrication
10 Ordering requirements
11 Designation
Annex A (normative) - Special requirements for bolts, screws
        and nuts with thread sizes M8 and M10
Annex B (normative) - Limits of sizes for hot dip galvanized
        internal and external screw thread M8
Annex C (informative) - Calculation of minimum ultimate
        tensile loads and proof loads for bolts and screws
        M8 and M10 with threads undersized to tolerance class
        6az
Annex D (informative) - Surface areas of bolts, screws and nuts
Annex E (normative) - Adherence of hot-dip galvanized coating
Annex F (informative) - Strength of hot dip galvanized bolt or
        screw and nut assemblies

Describes material, process, dimensional and some performance requirements for hot dip spun galvanized coatings applied to coarse threaded steel fasteners from M8 up to and including M64 and for property classes up to and including 10.9 for bolts, screws and studs and 12 for nuts.