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🔩 Screw it right, screw it tight — the pro’s choice for flawless fixes!
These #8 x 4 inch drywall and wood screws combine rugged 1022a carbon steel with a corrosion-resistant black phosphate finish, featuring a coarse thread and self-tapping design. Engineered for precision and durability, they deliver a flush, slip-resistant fit across multiple materials, making them essential for professional-grade repairs and installations. Packaged in a convenient 40-piece set with a lifetime guarantee, they’re the reliable fastener every millennial manager needs in their toolkit.



| ASIN | B0CR6C13XL |
| Best Sellers Rank | #8,837 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #77 in Wood Screws |
| Brand | Kuprowin |
| Color | Black |
| Compatible Groove Diameter | 0.16 Inches |
| Customer Reviews | 4.6 4.6 out of 5 stars (341) |
| Drive System | Phillips |
| Exterior Finish | Black Phosphate |
| Fastener Size | #8 x 4 inch |
| Fastener Type | Wood Screws |
| Finish Types | Black Phosphated |
| Grade Rating | Grade 5+ |
| Head Type | Flat |
| Item Diameter | 0.16 Inches |
| Manufacturer | Leytonda |
| Material Type | Carbon Steel |
| Metal Type | Carbon Steel |
| Number Of Items | 40 |
| Number of Pieces | 40 |
| Outside Diameter | 0.16 Inches |
| Part Number | ZGWS0809 |
| Screw Head Style | Flat |
| Screw Point Style | Self-Tapping |
| Set Name | 40-Piece #8 x 4 Inch Drywall Wood Screws Set |
| Set Screw Thread Type | UNC |
| Size Name | #8 x 4" - 40pcs |
| Thread Class | Coarse |
| Thread Coverage | Fully Threaded |
| Thread Size | #8 |
| Thread Style | Right Hand |
| Unit Count | 40.0 Count |
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