EN 14399-3 Preloaded structural bolting - System HR
CurrentLatest edition found. Still confirm amendments with the publisher.
- Edition
- EN 14399-3:2015
- Publisher
- EN
- Part family
- Fasteners & threads
- Reviewed
- 27 October 2026 · source checked
Is EN 14399-3 still current?
Yes. EN 14399-3:2015 is the latest edition MechAtlas found (MechAtlas review: 27 October 2026). Check the publisher for amendments before you specify it.
What it covers
Hex bolt and nut assemblies, system HR, M12-M36, classes 8.8 and 10.9.
Parts that use EN 14399-3
- High-strength structural bolt (HSFG / preloaded) (ISO / EN, main)
Large hex bolt-nut-washer set tightened to high preload for steel structure joints.
HR bolt EN 14399-3 M20 x 80 - 10.9
Grades: 8.8/8, 8.8/10, 10.9/10
System HR, M12 to M36, large widths across flats.
Official source
MechAtlas does not reproduce standards. Check the official edition at the publisher's page for EN 14399-3 or the EN store.
Open in MechAtlasCheck a drawing callout
Other fasteners & threads standards
- DIN 125-1 Replaced
Washers, product grade A, up to 250 HV - DIN 1481 Replaced
Heavy spring pins (old) - DIN 2999-1 Replaced
Whitworth pipe threads (old) - DIN 6325 Replaced
Hardened parallel pins m6 (old) - DIN 6914 Replaced
HV hex bolts for steel structures (old) - DIN 7 Replaced
Parallel pins (old) - DIN 7337 Replaced
Break mandrel blind rivets (old) - DIN 7991 Replaced
Hexagon socket countersunk head screws - DIN 9021 Replaced
Washers, outside diameter about 3 x thread - DIN 912 Replaced
Hexagon socket head cap screws (ISO 4762 modified) - DIN 913 Replaced
Hexagon socket set screws, flat point (ISO 4026 modified) - DIN 916 Replaced
Hexagon socket set screws, cup point (ISO 4029 modified)