Toolcraft's countersunk screws are made of stainless steel and follow the DIN 7991 standard. These M6, 20 mm screws feature a hex socket (Allen) design, suitable for flush mounting in materials. Commonly used in machinery and equipment assembly, they are provided in packs of 50 pieces. https://elecena.pl/product/28893801/toolcraft-401649-screws-m6x20mm-stainless-steel-hex-socket-50pieces 2025-06-02 https://elecena.pl/product/28893801/toolcraft-401649-screws-m6x20mm-stainless-steel-hex-socket-50pieces 2026-07-23