• Ideal for joining wooden elements in indoor and protected outdoor applications. • Countersunk head allows flush screwing to protect the material. • Made of galvanized steel with yellow passivation for effective corrosion protection. • Conical tip facilitates work without pre-drilling in softwoods, preventing splintering. • Partial thread design allows for optimal tightening of components without leaving gaps. • Head with T-slot for secure power transmission during screwing. • Dimensions: 3,5 x 30 mm. • Content: 400 screws.