(english) The residual portion of an extrusion billet that is not forced through the die at the end of the extrusion cycle. ภาษาไทย ภาษาอังกฤษ Butt end 0 0 ภาพประกอบ (english) The residual portion of an extrusion billet that is not forced through the die at the end of the extrusion cycle.