[elecena] DIN319-KU-50M12EMS - zmiany ceny Gałka kulista; Ø: 50mm; Gwint wew: M12; duroplast PF DIN319-KU-50M12EMS - 23.78 PLN https://elecena.pl/product/29002855/din319-ku-50m12ems 2025-06-29 DIN319-KU-50M12EMS - 24.16 PLN https://elecena.pl/product/29002855/din319-ku-50m12ems 2026-02-17