50pcs Black High-strength M3.5 Coarse Thread Screws with Countersunk Head Self-Tapping for Drywall Gypsum Board
50pcs Black High-strength M3.5 Coarse Thread Screws with Countersunk Head Self-Tapping for Drywall Gypsum Board
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- Product type
- hardware
High-strength black M3.5 coarse thread screws These 50pcs black M3.5 coarse thread screws are designed for durability and reliable performance in drywall and gypsum board applications, ensuring a secure hold in demanding environments.
Self-tapping countersunk head design Featuring a countersunk head and self-tapping function, these screws easily penetrate material without pre-drilling, offering fast and efficient installation for DIY and construction projects.
Available in multiple lengths Offered in various lengths including 16mm, 20mm, 25mm, 30mm, 35mm, 40mm, and 50mm, these screws provide flexibility for different thicknesses of drywall and gypsum board installations.
Carbon steel construction for lasting strength Made from carbon steel, these screws deliver high tensile strength and resistance to deformation, making them ideal for long-term structural support in wall and ceiling assemblies.
Phillips drive style for easy installation Equipped with a Phillips drive style, these screws allow smooth and secure screwdriver engagement, reducing the risk of stripping during tightening and improving installation efficiency.












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