TU Delft portal
The TOP50NL is a topographical map of the Netherlands on a scale of 1:50.000. Kadaster (the Netherlands’ Cadastre, Land Registry and Mapping Agency) regularly issues new versions of the map sheets. The TOP50NL is produced in GML format. You can download map sheets from 2014 in DWG format from the TU Delft website (link provided below.). Use AutoCAD or a DWG viewer to use these maps. The scale used for the map sheets is 1:50.000 in accordance with the sheet line system.
It's also possible to request a map with another file extension like a pdf, ai, or shapefiles. To request use the online-form.
PDOK portal
You can download more recent map sheets from the Dutch National SDI (Publieke Dienstverlening op de Kaart, PDOK) website. These map sheets are available in GML format. This format can be used in GIS applications such as ArcGIS. The scale used for the map sheets is 1:50.000 in accordance with the sheet line system.