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High Quality Black Drywall Screw for Wood Screw Flat Head Black Screw for Wall Wood Available Sizes: M3.5*16 (5/8 inch) M3.5*20 (3/4 inch) M3.5*25 (1 inch) M3.5*30 (1 1/4 inches) M3.5*35 (1 3/8 inches) M3.5*40 (1 1/2 inches) M3.5*50 (2 inches) M3.5*70 (2 3/4 inches) • Material: Steel hardened • Finish: Zinc or Black phosphated • Recess Type: Phillips head • Black screw for WOOD ⭐ Key Features: Black Phosphate Coating – Anti-rust & professional look Self-Tapping Sharp Point – Fast installation, no pre-drilling Designed for Gypsum / Drywall Boards For Wood & Metal Studs Strong Grip & Deep Thread ️ Compatible with Manual & Power Drivers Product Specifications: Product Type: Gypsum / Drywall Screw Color: Black Material: Carbon Steel Head Type: Bugle Head (flush finish) Thread Type: Self-Tapping Use For: Gypsum board, drywall, partition installation