SPAX-RA countersunk head window screws with T-STAR plus EB 89010 socket are the perfect solution for connecting wooden windows. Made of hardened steel, they ensure solidity and durability. Coating with galvanic zinc [ZN] protects them against corrosion. They meet EB 89010 standards, which guarantees high quality. These wood and PVC screws are an essential item for every window installation professional. Thanks to them, work becomes easier and more effective. Choose a product you can rely on!