Norm

NEN-EN 1660:1994 Ontw. en

Mechanische bevestigingsartikelen - Zeskantprodukten - Sleutelwijdten

16,10

Over deze norm

Status Ontwerp
Aantal pagina's 5
Commissie Onderdelen voor bevestiging
Gepubliceerd op 01-11-1994
Taal Engels
This Standard specifies widths across flats for head bolts, screws and nuts with or without flange, to be used in the respective product standards. With that it also specifies a logical ratio between underhead (or nut) bearing area (which determines the magnitude of the compressive stress on the bolted members relative to the clamping force applied by the fastener) and the tensile stress area of the screw thread (which governs the clamping force which can be developed by tightening the fastener for any particular property class of fastener). This calculation technique was applied to each of the hexagon series so that a proper grading of bearing area/stress area ratios would be available to engineering designers.

Details

ICS-code 21.060.01
Nederlandse titel Mechanische bevestigingsartikelen - Zeskantprodukten - Sleutelwijdten
Engelse titel Mechanical fasteners - Hexagon products - Widths across flats

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