Deltafix ferma screw black 3.9 x 35 mm 500 pcs

This black-phosphated screw with Philips Kruiskop is suitable for attaching fiber and hard fiber plates, fermacell plates on a wooden surface or steel profile up to a maximum of 0.89 mm thick. These screws are also often used for exact wood on wood mounting or applications in plastic. Due to the 4 milling ribs under the conical head, this hardened screw is self -sinking. - Pre-drill not necessary- easy to screw self-sinking- protected against rust