3.5mm 4.2mm Carbon Steel Self-Tapping Drywall Screw with Black Phosphate Finish for Metal and Wood Studs
Drywall screws, also known as gypsum board screws or wallboard screws, are specialized fasteners designed for securing gypsum board or drywall to wooden or metal studs. These 3.5mm and 4.2mm carbon steel self-tapping screws with black phosphate finish provide reliable performance in construction and remodeling applications.
- Material: High-quality C1022a steel construction
- Finish: Black/Grey phosphate coating for corrosion resistance
- Head Size: 8mm for optimal driving performance
- Point Type: Sharp point for easy penetration
- Thread Options: Available in fine and coarse thread patterns
- Manufacturer: Professional fastener company with extensive experience
| Parameter | Specification |
|---|---|
| Product Type | Drywall Screw / Gypsum Board Screw |
| Material | C1022a Steel |
| Diameter Options | 3.5mm, 4.2mm |
| Head Size | 8mm |
| Finish | Black/Grey Phosphate, Zinc Galvanized |
| Point Type | Sharp Point |
| Thread Type | Fine and Coarse |
| Application | Attaching Drywall to Wood or Metal Studs |
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Based in Hebei, China since 2016, we serve global markets including Southeast Asia (30%), South Asia (25%), Mid East (20%), Eastern Asia (10%), Eastern Europe (5%), Africa (5%), and Domestic Market (5%). Our team consists of 101-200 professionals.
We provide pre-production samples before mass production and conduct final inspections before shipment to ensure consistent quality standards.
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