[elecena] M20X40/4762/12BL - zmiany ceny Śruba; M20x40; Łeb: walcowy; imbus; HEX 17mm; stal; brak; ISO 4762 M20X40/4762/12BL - 2.71 PLN https://elecena.pl/product/29885522/m20x40-4762-12bl 2026-02-27 M20X40/4762/12BL - 5.42 PLN https://elecena.pl/product/29885522/m20x40-4762-12bl 2026-03-20