Frequently Asked Questions (FAQ)

EN 14399 Pre-load bolt assemblies

• Can Pre-load bolt assemblies (HSFG) be used on painted or galvanised surfaces?
• What is the minimum thread length on preload bolts?
• Is two threads protruding through a pre-load fastener enough?
• Can Pre-load (HSFG) assemblies be de-assembled once they have been assembled?
• Should higher grade nuts be specified for use with galvanized or sherardized set screws and bolts on CE approved assemblies?
• What does the HR & HV symbols mean?
• What is the difference between HR and HV bolt assemblies?
• Should preloaded assemblies be assembled with lubrication?

EN 15048 Non pre-load bolt assemblies

• Tightening of non-preloaded bolts
• Should higher grade nuts be specified for use with galvanized or sherardized set screws and bolts on CE approved assemblies?

CE Marking

• Can holding down bolts (foundation bolts) be CE marked?
• What is DOP?
• Can bags be split and then re-labelled as CE approved?
• Do bags/boxes have to have CE labels on them?
• Can product to DIN standard be CE Marked?
• What type of products can be CE marked?

Coating

• Why does galvanizing coating look different?
• What is the life time of galvanising coating?

Installation

• What is a single lap joint according to EN 1993-1-8:2005, 3.6.1.?

Packing

• Which identification mark is used by Andrews Fasteners?
• Can bags be split and then re-labelled as CE approved?
• Do bags/boxes have to have CE labels on them?

Steel

• What is the difference between J2 and JR? Can they be used as substitutes for each other?
• What does the term “Secondary Steelwork” mean?
• Is steel construction sustainable?
• Is steel recyclable?

Test Certificates

• Can Andrews Fasteners offer 3.2 certification?
• Why is there no elongation, impact, reduction of area on some of Test Certificates?

If your queries have not been answered, please contact Andrews Fasteners Quality Department and we will try to help.