DIN 440 pdf free download
DIN 440-2001 pdf free download.Washers with square hole for use in timber constructions.
DIN 440 has been prepared by Technical Committee Scheiben und Ringe of the NormenausschussMechanische Verbindungselemente (Fasteners Standards Committee).
Since the specifications for washers with round hole given in DIN 440,May 1990 edition, are now containedin DIN EN ISO 7094, the present standard now only covers washers with square hole.
Amendments
This standard differs from the May 1990 edition as follows:
a) Round hole washers (type R) are no longer included (cf. DIN EN ISO 7094).
b) For washers of nominal size 24 mm, the maximum hole diameter has been corrected.c)The specifications relating to surface finish have been amended.
d) References to other standards have been updated.
Previous editions
DIN 440:1936-10，1943-05,1974-07，1990-05.
All dimensions are in millimetres.
1 Scope
This standard specifies dimensions and technical delivery conditions for washers with square hole,withextra large outside diameter,of product grade C,designed for use with bolt/nut assemblies in timberconstructions.
2 Normative references
This standard incorporates, by dated or undated reference,provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the titles of the publications arelisted below.For dated references, subsequent amendments to or revisions of any of these publicationsapply to this standard only when incorporated in it by amendment or revision. For undated references, thelatest edition of the publication referred to applies.
DIN 267-10
Fasteners – Technical delivery conditions – Hot-dip galvanized components
DIN 4000-3 Tabular layouts of article characteristics for washers
DIN EN ISO 3269 Fasteners – Acceptance inspection (ISo 3269 : 2000)DIN EN ISO 4042 Fasteners – Electroplated coatings (ISO 4042 : 1999).DIN 440 pdf download.
