The standard primarily refers to two distinct industrial categories: technical delivery conditions for cold-rolled steel strip and specifications for 4-prong tee nuts used in furniture and wood construction . 1. DIN 1624: Steel Flat Products (Historical/Technical)

Typically manufactured from (zinc-plated for corrosion resistance) or Stainless Steel (A2 grade) . Common Sizes

that prevents the nut from spinning when a bolt is tightened. Din 1624 | PDF - Scribd