fischer PowerFast II STP 8.0 x 220, Powerful Wood Screws with Step Countersunk Head, Inner Star Socket and Partial Thread, for Constructive Wood Construction, Pack of 50

Flush-screwed: the wood screw with high-performance sliding coating and partial thread for tight tightening of the individual elements allows a flush fitting and guarantees a greater contraction effect as well as a significantly increased head pull-through resistance
Quick and flexible: the galvanised, blue passivated wood screw impresses with a significant reduction in screw-in time due to the increased thread pitch - this ensures quick installation for all your construction projects
Clean workmanship: 3 ribs at the top guarantee quick bite behaviour and pre-milling, in addition, the setting is optimised and splitting of the wood significantly reduced. In addition, the stepped countersunk head can be completely recessed into the wood, which allows a second component to lie flush or be screwed on
Areas of application: the stepped countersunk screw with partial thread is particularly suitable for substructures and the attachment of roof insulation in coated wood, softwood as