[elecena] DIN319-KU-12-M4-C - zmiany ceny Gałka kulista; Ø: 12mm; Gwint wew: M4; duroplast PF DIN319-KU-12-M4-C - 3.99 PLN https://elecena.pl/product/29002898/din319-ku-12-m4-c 2025-06-29 DIN319-KU-12-M4-C - 4.21 PLN https://elecena.pl/product/29002898/din319-ku-12-m4-c 2026-02-17