High Manganese Steel Gypsum Board Expansion Screws - Zinc Coated

These expansion screws are specifically designed for use with gypsum board applications. Made from high manganese steel, they offer enhanced durability and strength, ensuring reliable performance in various construction projects. The screws are zinc-coated for additional corrosion resistance, further extending their lifespan and maintaining their integrity even in challenging environments. Ideal for securely fastening gypsum boards, these screws provide dependable support and stability, making them a great choice for both professional contractors and DIY enthusiasts. Material: High manganese steel Surface treatment: Colored zinc plating Performance level: 8.8 Product Grade: A-level Matching nail size: High strength 4*35, High strength 4*40 Applicable substrate: Gypsum board, insulation wall, Et board Manufacture country: China Instructions included: No