Standard Coarse Thread Wood Screws, Black Phosphated for Drywall

Sharp threads, easy to screw in, fast drilling without collapsing gypsum board

High carbon steel material, with sufficient hardness, not easily bent or broken

Galvanized anti rust, moisture-proof and corrosion-resistant, not easy to rust after long-term indoor use

Precise tooth spacing, firm bite, no looseness of wall panels, and no cracking in the later stage

Strong penetration performance: With fine double thread and pointed design, there is no need for pre drilling, making it easy to drill into gypsum board, density board, and light steel keel, saving co

Firmly fastened: The deep tooth pattern tightly fits the keel, with strong pull-out resistance, and the wall will not hollow or fall off for a long time.

High quality material selection: High quality cold drawn steel is selected, which has been quenched and hardened, has high strength, and will not bend or break nails during the screwing process

Rust proof and durable: Electroplated surface, isolated from water vapor, can also delay rusting in damp kitchen and bathroom environments, extending the service life of walls

Precision sinking head: The horn head is polished smooth, the nail head sinks into the interior of the board, the wall is flat, and the decoration is beautiful.

Complete specifications: 25-50mm standard sizes are available, suitable for various construction scenarios such as light steel keel and wooden keel