Enhance your fastening tasks with this high-quality Button Head Socket Cap Screw. Designed to meet ISO 7380-1 standards, it features a durable steel construction with a zinc finish for added protection against corrosion. The M3 x 0.5 thread size and 20mm length make it versatile for various applications, while the Torx drive type ensures secure and efficient installation. With a material grade of 10.9 and RoHS compliance, you can trust in its performance and environmental responsibility. Upgrade your hardware assortment with this essential component.