[elecena] DIN319-KU-20M5EMS - zmiany ceny Gałka kulista; Ø: 20mm; Gwint wew: M5; duroplast PF DIN319-KU-20M5EMS - 5.01 PLN https://elecena.pl/product/29002910/din319-ku-20m5ems 2025-06-29 DIN319-KU-20M5EMS - 5.06 PLN https://elecena.pl/product/29002910/din319-ku-20m5ems 2026-02-17