[elecena] B12X20/BN3 - zmiany ceny Śruba; M12x20; Łeb: walcowy; imbus; HEX 10mm; stal; cynk; DIN 912 B12X20/BN3 - 1.33 PLN https://elecena.pl/product/29885752/b12x20-bn3 2026-02-27 B12X20/BN3 - 1.33 PLN https://elecena.pl/product/29885752/b12x20-bn3 2026-03-20 B12X20/BN3 - 1.33 PLN https://elecena.pl/product/29885752/b12x20-bn3 2026-03-31 B12X20/BN3 - 1.32 PLN https://elecena.pl/product/29885752/b12x20-bn3 2026-04-18