[elecena] BT.20P-M6X40 - zmiany ceny Pokrętło; Ø: 20mm; Gwint zew: M6; 40mm; H: 16mm; poliamid BT.20P-M6X40 - 5.82 PLN https://elecena.pl/product/29105224/bt-20p-m6x40 2025-07-17 BT.20P-M6X40 - 5.83 PLN https://elecena.pl/product/29105224/bt-20p-m6x40 2026-02-27