The battleships Sachsen and Wuerttemberg, and the battlecruisers Mackensen, Prinz Eitel Friedrich, Graf Spee and Fuerst Bismarck, right? That seems ambitious for the Dutch. These are all expensive ships and IOTL the Dutch didn't even manage to acquire their planned pre-war force of nine 26,000 ton battleships, let alone contemplate ships in the 30-36,000 ton range.* I imagine the Germans would be keen to take on such contracts for desperately needed money, let alone the retention of expertise this would afford. I doubt the allies would be pleased to see Germany have the capability of seizing a half dozen modern capital ships in the event of increasing European tensions.
But the financial situation is critical. I just can't see the Dutch affording all these ships.
* Conway's notes that the Dutch didn't even manage to get through a limited programme for destroyers and cruisers submitted in 1921, nor a further reduced one in 1923.