Description The 4mm galvanized self-tapping screws are designed for installing fiberboard and drywall. With a durable and rust-resistant zinc coating, these screws are perfect for various applications. The 4mm size ensures compatibility with different scenarios, while the countersunk design allows for a flush and aesthetically pleasing installation. Features -Color:As Shown -Material:Galvanized iron -Size:1.60X0.70X0.70cm/0.63X0.28X0.28in -This self drilling screwfeatures a durable and anti-rust zinc coating, ensuring long lasting use. -Designed for both fiberboard and drywall installation, this self-tapping screw is suitable for a variety of scenarios and applications. -Comes with enough quantity small screws, you'll have ample supply for your needs and projects. -The 4mmsize of this screw makes it a versatile option for various installation scenarios, providing flexibility and convenience. -The countersunk design of this screw ensures a flush and aesthetically pleasing installation, adding a professional touch to your work. Packing list200 x screws