[elecena] M20X140/4762/8BL - zmiany ceny Śruba; M20; M20x140; Łeb: walcowy; imbus; HEX 17mm; stal; brak M20X140/4762/8BL - 4.14 PLN https://elecena.pl/product/29837096/m20x140-4762-8bl 2026-02-17 M20X140/4762/8BL - 10.38 PLN https://elecena.pl/product/29837096/m20x140-4762-8bl 2026-09-14