Toolcraft manufactures the 888692 Allen screws, which are made of steel and zinc plated for durability. This M4 screw features a 20 mm length and a slot head, adhering to the DIN 84 standard. It is typically used for securing parts in engineering and electronics applications. https://elecena.pl/product/28893583/toolcraft-888692-allen-screw-m4x20mm-slot-din-84-steel-zinc-plated 2025-06-02 https://elecena.pl/product/28893583/toolcraft-888692-allen-screw-m4x20mm-slot-din-84-steel-zinc-plated 2025-07-30