- Constructed from high-quality 304 stainless steel, our expansion screws offer exceptional strength and excellent corrosion resistance, making them ideal for harsh environments including high temperatures, cold climates, and high humidity. - The Flat Head Self-Tapping Screws Assortment Kit is versatile and perfect for use by professionals, DIY enthusiasts, landlords, and repairmen alike. - These expansion screws are designed for various applications, including securing indoor bathrooms, air conditioning units, pendant ceilings, anti-theft doors, and outdoor guardrails. - Made of durable carbon steel with a color zinc plating finish, these screws feature a smooth surface that enhances longevity. Available in multiple sizes, they cater to diverse project needs. - The sharp point design allows for easy penetration into materials, ensuring a secure and reliable fit. - Use these screws for home improvement projects, outdoor installations, or any situation requiring robust fastening solutions. - Trust in the quality and performance of our expansion screws to meet your fastening requirements with confidence.