This standard incorporates, by dated or undated reference,provisions from other publications. 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. DIN EN ISO 7094).ī) For washers of nominal size 24 mm, the maximum hole diameter has been corrected.c)The specifications relating to surface finish have been amended.ĭ) References to other standards have been updated. This standard differs from the May 1990 edition as follows:Ī) Round hole washers (type R) are no longer included (cf. 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. DIN 440-2001 pdf free download.Washers with square hole for use in timber constructions.ĭIN 440 has been prepared by Technical Committee Scheiben und Ringe of the NormenausschussMechanische Verbindungselemente (Fasteners Standards Committee).
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