SCREW FOR WOOD TSP PF TX 'PANELVIT' TSP PF T mm 5 x 80

In steel with chromiting anti-rust carbonitriding treatment. Partially threaded. In accordance with DIN 7505 standards, hexalobular hollow countersunk head. Direct screwing without pre-drilling. The vertical walls of the hexalobular slot allow the entire screwing force to be transmitted, avoiding slippage of the insert. The self flaring ribs under the head perform a braking action during tightening.