I-extrusion eqhubekayo yobuchwepheshe iwuguquko emgqeni wokucubungula insimbi engeyona ayoni, isetshenziselwa uhla olubanzi lwethusi, i-aluminium noma i-copper alloy rod extrusion ukwenza ngokuyinhloko izinhlobonhlobo ze-flat, i-round, ibha yebhasi, nama-conductor anephrofayili, njll.