DIN 7990:2008
Hexagon head bolts with hexagon nut for steel structures

Standard No.

DIN 7990:2008

Release Date

2008

Published By

German Institute for Standardization

Status

Be replaced 2017-08

Replace By

DIN 7990:2017

Latest

DIN 7990:2017-08

Replace

DIN 7990:2007

Scope

This standard specifies dimensions and technical delivery conditions for M12 to M30 hexagon head bolts of product grade C for use in structural steel bolting. It also specifies the nuts and washers to be used. Additional requirements as defined in Annex A may be agreed. Hexagon head bolts complying with this standard are also suitable for use in aluminium structures and in composite construction.

DIN 7990:2008 Referenced Document

• DIN 13-20 ISO general purpose metric screw threads - Part 20: Limits of sizes for coarse pitch threads with the prefered tolerance classes; nominal sizes from 1 mm to 68 mm
• DIN 7989-1 Washers for steel structures - Part 1: Product grade C
• DIN 7989-2 Washers for steel structures - Part 2: Product grade A
• DIN EN 20898-2 
• DIN EN ISO 10684 Fasteners - Hot dip galvanized coatings (ISO 10684:2004 + Cor. 1:2008); German version EN ISO 10684:2004 + AC:2009*， 2011-09-01 Update
• DIN EN ISO 3269 Fasteners - Acceptance inspection (ISO 3269:2019); German version EN ISO 3269:2019*， 2020-01-01 Update
• DIN EN ISO 4032 Fasteners - Hexagon regular nuts (style 1) (ISO 4032:2023); German version EN ISO 4032:2023*， 2023-12-01 Update
• DIN EN ISO 4034 Hexagon regular nuts (style 1) - Product grade C (ISO 4034:2012); German version EN ISO 4034:2012 / Note: To be replaced by DIN EN ISO 4034 (2016-05).*， 2013-04-01 Update
• DIN EN ISO 4753 Fasteners - Ends of parts with external ISO metric thread (ISO 4753:2011); German version EN ISO 4753:2011*， 2012-02-01 Update
• DIN EN ISO 4759-1 Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts; Product grades A, B and C (ISO 4759-1:2000); German version EN ISO 4759-1:2000
• DIN EN ISO 898-1 echanical properties of fasteners made of carbon steel and alloy steel – Part 1: Bolts, screws and studs with specified property classes – Coarse thread and fine pitch thread (ISO 898-1:2013)*， 2013-05-01 Update
• DIN ISO 8992 Fasteners - General requirements for bolts, screws, studs and nuts (ISO 8992:2005)
• DIN ISO 965-4 ISO general purpose metric screw threads - Tolerances - Part 4: Limits of sizes for hot dip galvanized external threads to mate with internal threads made to tolerance position H or G after galvanizing (ISO/DIS 965-4:2024)*， 2024-04-01 Update
• DIN ISO 965-5 ISO general purpose metric screw threads - Tolerances - Part 5: Limits of sizes for internal threads to mate with hot dip galvanized external threads with maximum size of tolerance position h before galvanizing (ISO/DIS 965-5:2024)*， 2024-04-01 Update

DIN 7990:2008 history

• 2017 DIN 7990:2017-08 Hexagon head bolts with hexagon nut for steel structures
• 2017 DIN 7990:2017 Hexagon head bolts with hexagon nut for steel structures
• 2008 DIN 7990:2008 Hexagon head bolts with hexagon nut for steel structures
• 0000 DIN 7990:2007
• 1999 DIN 7990:1999 Hexagon head bolts with hexagon nut for steel structures
• 1970 DIN 7990:1971 Hexagon head bolts with hexagon nut for steel structures