Galvanized Phillips Head Self-Drilling Screws: Flat Head, M3/M3.5/M5.5, Carbon Steel, Blue Zinc Plated.

These self-drilling screws are designed for efficient and reliable fastening in various materials. Made from durable carbon steel with a blue zinc plating, they ensure resistance to corrosion and wear. Available in sizes M3, M3.5, and M5.5, their flat head design provides a smooth, flush finish, making them ideal for applications where appearance is key. The Phillips head allows for easy installation with a standard screw bit, combining convenience with strong holding power. Perfect for construction, carpentry, or DIY projects, these screws offer strength and longevity for both professional and home use. Head Shape: Countersunk Surface Treatment: Galvanizing Material Grade: Carbon Steel Product Grade: Level 4 Standard No.: GB9074.8 Manufacture country: China Instructions included: No