• Chipboard and wood screws made of high-quality A2 (V2A) stainless steel. • Technical dimensions: 4 mm diameter and 25 mm total length. • 18 mm partial thread ensuring optimal fastening in various materials. • Torx TX20 drive allowing for stable, precise, and wobble-free screwing. • 90° countersunk head with an 8 mm diameter for a smooth, flush finish. • Corrosion and weather-resistant material, suitable for indoor and outdoor use. • Features official ETA European Technical Approval for construction applications. • Compatible with plastics, particle boards, and hardwoods such as teak, ipe, or cumaru.