NBN EN 12051 : 1999

Foreword
1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
4 Requirements
5 Test methods
6 Classification
7 Marking
Annex A (normative) Symbols and applications
Annex B (normative) Additional requirements for bolts
                    intended for use on fire/smoke door
                    assemblies
Annex C (normative) Test sampling and sequencing
Annex D (informative) Relationship of bolts to fire
                      resisting doors

Defines performance safety and security requirements, including test procedures for single point bolts and associated keeps, for securing or increasing the security of doors or windows in buildings, where they are operated by lever, knob, slide, pull and so on, or removable implement, but not a multiple differ key, from the protected side of the leaf. Includes barrel-, tower-, foot-, drop-, square spring bolts, garage door-, flush-, bolts etc.