The invention relates to a roller for processing fibre masses in the textile industry, with saw-tooth wire which is fastened on the roller circumference (1) in thread-like grooves (2) and which fills the grooves with its lower foot region (4) of approximately rectangular cross-section and is retained by being knocked in, the lower foot region of the saw-tooth wire (3) located in the groove being deformed as a result of being knocked in. …<IMAGE>…
