TB Black Large Flat Head Self-Tapping Screw (M3/M3.5/M4) with Umbrella or Mushroom Head

This versatile and durable large flat head self-tapping screw is designed for easy installation in various materials. It features a unique umbrella or mushroom head design that provides a strong, secure grip while distributing load effectively, reducing the risk of material damage. Available in three sizes (M3, M3.5, M4), this screw is crafted from high-quality materials, ensuring reliable performance and longevity in a wide range of applications. Ideal for both professional and DIY projects, its black finish adds an extra layer of corrosion resistance, making it suitable for indoor and outdoor use. Head shape: Big flat head Material Grade: Plain Carbon Steel Nail Type: Screws Manufacture country: China Instructions included: No