If you are working in a European or global environment that uses metric ISO threads, remains the gold standard.
DIN 7505 defined the requirements for hardened, recessed countersunk head wood screws, commonly known as . These screws are characterized by their thin shafts and coarse threads, designed to prevent wood from splitting without requiring a pilot hole. din 7505 standard pdf
is a technical standard from the German Institute for Standardization (Deutsches Institut für Normung) that specifies requirements for chipboard screws . If you are looking for a "review" of the document itself to see if it's worth acquiring for your project, Overview of DIN 7505 If you are working in a European or