Product Overview
Our high-strength drywall screws (Gypsum Screws) are precision-engineered and manufactured in a certified China factory, guaranteeing superior quality and consistent performance. Constructed from premium steel with advanced corrosion resistance, these screws are available in standard sizes including 3/4″, 1″, 1-3/8″, and 1-5/8″, meeting diverse drywall installation requirements. Exported to Egypt, Saudi Arabia, UAE, Vietnam, Indonesia, and Kenya, they are trusted for both commercial and residential construction projects. Choose our factory-direct drywall screws for reliable fastening, durability, and competitive pricing.
Technical Specifications
| Certification Standard | JIS B1125 |
| Material | 1022 Carbon Steel (Tensile Strength ≥500MPa) |
| Surface Treatment | Black Phosphate (Film Weight ≥3μm) |
| Strength Grade | Grade A (Equivalent to Grade 4.8) |
| Head Type | Bugle Head |
| Thread Design | Double Lead Fine Thread |
| Corrosion Resistance | 48-hour Salt Spray Test |
| Suitable Materials | Gypsum Board (9-15mm), Light Steel Studs (≤0.6mm) |
| Available Sizes | M3.5×20, M3.5×25, M3.5×30, M3.5×35, M3.5×40, M3.5×50, M3.5×60, M3.5×70 (M3.5 Drywall Screws in Sizes: 3/4″, 1″, 1-3/16″, 1-3/8″, 1-5/8″, 2″, 2-3/8″, and 2-3/4″) |
Application Scenarios
These High-Strength Black Phosphated Drywall Screws are widely used across Southeast Asia in interior construction applications requiring reliable and efficient fastening:
Gypsum Board Installation
Ideal for mounting drywall to light steel or timber studs in residential and commercial construction
Ceiling and Partition Systems
Secure fit for interior wall systems and ceiling boards in modern building projects
Plywood and Fiberboard Fixing
Works well in lightweight board applications for interior finishing and renovation projects
Cabinet and Furniture Frames
Ensures reliable joints in softwood or engineered wood structures for furniture manufacturing
Home and Office Renovation
Common in fast interior finishing projects requiring professional appearance and durability
Frequently Asked Questions
Why is phosphated coating preferred for drywall screws?
Black phosphated coating offers excellent rust resistance and smooth driving performance without slipping. The coating also provides a professional black finish that blends well with interior applications and reduces visibility of fasteners.
Can these screws be used for metal studs?
Yes, they are specifically designed for fixing drywall to thin metal studs up to 0.8mm thickness. The sharp point and dual-thread design ensure reliable penetration and holding power in light steel framing systems common in Southeast Asia.
What are the differences between drywall screws sizes 3/4″, 1″, 1-3/16″, 1-3/8″, 1-5/8″, 2″, 2-3/8″, and 2-3/4″?
Drywall screws sizes vary to suit different panel thicknesses and project requirements:
• 3/4″ to 1″ screws are ideal for single drywall layers on wood studs, commonly used in Vietnam and Indonesia.
• 1-3/8″ to 1-5/8″ sizes are standard for 1/2″ or 5/8″ gypsum board, widely used in Egypt, Saudi Arabia, and Kenya.
• 2″ to 2-3/4″ drywall screws are chosen for double-layer drywall or insulation-backed installations, suitable for hot, humid environments like the UAE.
Choosing the right drywall screws size ensures firm fastening and long-lasting performance across various construction needs.
Are these screws magnetized for use with electric drivers?
Yes, they are compatible with magnetic bits, making power tool installation quick and efficient. The bugle head design works perfectly with standard drywall driver bits for professional installation results.
What’s the advantage of the bugle head design?
The bugle head design allows the screw to sit flush with or slightly below the drywall surface without tearing the paper face. This creates a smooth finish that’s ideal for painting and provides professional-quality results in interior applications.
Our Manufacturing Facility and Products
Direct Supply from Chinese Factory
Welcome to Handan Quanfan Metal Products Co., Ltd., a leading China manufacturer specializing in fasteners including self drilling screws, drywall screws, stainless steel bolts, self tapping screws, and grade 5 nuts.
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Need more information about our High-Strength Black Phosphated Drywall Screws or have special requirements? Our technical sales team is ready to serve customers across Southeast Asia.
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