ČSN EN ISO 10644 (021060)

Screw and washer assemblies made of steel with plain washers - Washer hardness classes 200 HV and 300 HV



STANDARD published on 1.1.2010


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The information about the standard:

Designation standards: ČSN EN ISO 10644
Classification mark: 021060
Catalog number: 85087
Publication date standards: 1.1.2010
SKU: NS-164187
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Washers, locking elements

Annotation of standard text ČSN EN ISO 10644 (021060):

Nedemontovatelné sestavy ocelových šroubů a plochých podložek - Hodnoty tvrdosti podložky 200 HV a 300 HV

Tato mezinárodní norma specifikuje požadavky na nedemontovatelné sestavy metrického šroubu s hrubým závitem M2 až M12 včetně, s rovinnou dosedací částí hlavy, pevnostní třídy 10.9 včetně a ploché podložky s třídou tvrdosti 200 HV nebo 300 HV.

Ploché podložky jsou neoddělitelné od šroubu, tj. nejsou demontovatelné a jsou otočné

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