• Made of high-resistance 304 stainless steel, durability and hardness. • Resistant to corrosion and oxidation, ideal for outdoor use or humid environments. • Self-tapping design with sharp tip allows for easy and precise wood penetration. • Countersunk head with Torx TX20 drive maximizes torque and prevents slipping. • Clear and uniform threads provide a firm grip and excellent fastening performance. • Versatility for use in woodworking projects, furniture repair, and routine maintenance. • The package includes 50 units with measurements of M4 x 20 mm.