Features: Versatile wood construction screw, especially for rafter connections, in frame and stud construction as well as prefabricated buildings. The flat head allows for higher load capacity due to larger head pull-out values. Easy screwing in thanks to sharp threads. The clearance needle enables a resistance-free entry of the screw into the material. Optimal placement and penetration into the material thanks to the self-tapping tip. It has the European Technical Approval ETA-12/0471. STIER products are developed by professionals from trade and industry, combining high performance with ergonomics. Powerful. Durable. Long-lasting. Thousands of customers trust the best value for money. Experience the STIER product range for yourself.