[Anti-Corrosion Coating]: Made of 1022A Carbon Steel with Ruspert coating finsh, These screws pass salt spray test for 1000 hours, has superior rustproof, waterproof and anti-corrosion properties. Perfect for indoor and outdoor applications
[Self-Drilling]: Self-Drilling screws penetrate metal and tap their own mating threads to eliminate the need for pre-drilling, Note: The metal plate should not exceed 2mm
[Multi-Application]: These sheet metal screws, or tapping screws, are highly versatile and are used to attached metal, wood, fiberglass and plastic, can use them especially from metal to wood
[Socket Bit Included]: Free Socket Bit is in the box, it‘s easier for screws to be used with electric drills
[Satisfaction Guarantee]: You will get a box for good storage, including 60pcs roofing screws and a Hex Socket Bit. Please contact us with any questions or issues that you may have
