Features: Self Drilling Designs: The gypsum board self drilling screw set features a self drilling function, allowing for direct drilling on the gypsum board without the need for pre drilling. Convenient and time saving. Stable & Reliable: Crafted with quality materials, the screw set ensures excellent tensile strength and embedding force, providing a secure and stable installation. Suitable for DIY Enthusiasts: Perfect for individuals involved in home renovations and gypsum board installations, simplifying the process and improving efficiency. Versatile Applications: Perfect for indoor decoration projects in homes, offices, and malls, such as installing partitions and ceilings, facilitating quick completion of projects. Commercial Projects: Perfect for decoration and renovation in hotels, restaurants, exhibition halls, enabling easy division and layout of interior spaces. Specifications: Material: High manganese steel+high strength iron Quantity: approx 50 set/100 set(optional) Note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 50 set Self Drilling Screws Or 100 set Self Drilling Screws