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Help CenterChina Supply Quality Assured Collated Drywall Screws Black Phosphate Coarse Thread Plastic Strip, Compatible With All Major Screw Guns
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Welcome to Hefei SENOTECH New Materials Co., Ltd — your trusted trading partner since 2020, exporting quality fasteners to markets across North America, Europe, Southeast Asia, and beyond. Our China Supply Quality Assured Collated Drywall Screws with black phosphate coating, coarse thread, and plastic strip collation are engineered to meet the rigorous demands of professional drywall installers. Each screw is manufactured with precision and rigorously inspected to ensure consistent performance, making them a reliable choice for contractors who value efficiency and durability.
These collated drywall screws are specifically designed for auto-feed screw guns and are compatible with all major brands including Makita, Dewalt, Senco, Hitachi, and more. The plastic strip collation ensures smooth, jam-free feeding, drastically reducing downtime on the job site. With a coarse thread profile, these screws provide excellent grip in wood studs and light-gauge steel, minimizing the risk of strip-out or overdriving. The black phosphate finish offers corrosion resistance during storage and installation, while the case-hardened core delivers the strength needed for secure drywall attachment.
Key Features & Benefits
- Quality Assured: Each production batch undergoes dimensional, hardness, and coating thickness tests to ensure consistent quality.
- Coarse Thread Design: Optimized for fast, positive bite into wood and gypsum board, reducing install time and material damage.
- Black Phosphate Coating: Provides a moderate level of corrosion protection for indoor applications and helps reduce friction during driving.
- Plastic Strip Collation: Robust strip design prevents breakage during transport and feeding; compatible with most collated screw guns.
- Compatibility: Tested to work seamlessly with popular auto-feed tools — no modification or adapter needed.
- Case Hardened: Surface hardness ensures resistance to cam-out, while a tougher core prevents snapping under high torque.
- Environmentally Friendly Packaging: Strips are recyclable and bulk packaging options reduce waste.
| Parameter | Specification |
|---|---|
| Material | High-carbon steel, case hardened (surface hardness 50-58 HRC) |
| Coating | Black phosphate (meets ASTM A641 standard for test methods) |
| Thread Type | Coarse thread (15-19 threads per inch, depending on length) |
| Drive Type | Phillips #2 or Square drive (available upon request) |
| Collation Angle | 15° or 20° degree collated strips (customizable) |
| Strip Material | High-strength recycled plastic, UV stable |
| Common Lengths | 1-1/4", 1-5/8", 2", 2-1/2" (other sizes on request) |
| Qty per Box | 1000 pcs (collated in 50-piece strips, 20 strips per box) |
Our collated drywall screws are a cost-effective solution for large-scale projects. The coarse thread ensures rapid fastening without pre-drilling in most wood studs, while the black phosphate finish reduces gumming and provides a slight lubricity for smoother driving. The plastic strip is engineered to have consistent flexibility – not too brittle in cold environments nor too soft in heat – ensuring reliable performance on site.
Technical Advantages for Professionals
- Reduced Jamming: Precision-molded strip collation with uniform gap eliminates misfeeds.
- Increased Productivity: Auto-feed systems allow installers to drive up to 60% faster than manual collated screws (based on in-field tests).
- Consistent Depth: Deep Phillips drive minimizes cam-out; optional square drive for even better torque transfer.
- Fully Customizable: Available in different lengths, drive types, packaging quantities, and even private labeling for distributors.
- Global Logistics: As a trading company with US$1M+ annual export, we maintain efficient supply chains and timely delivery to major ports worldwide.
At Hefei SENOTECH New Materials Co., Ltd, we have been serving the global building materials market since 2020. Our annual export value of US$1 million to US$1.5 million reflects the trust of buyers from North America, Europe, South America, Oceania, Africa, and Asia. We understand that every project demands reliability — from the fastener’s strength to the strip’s feeding consistency. That’s why we work closely with ISO-certified factories (where applicable) and perform in-house checks before shipment.
Why choose our collated drywall screws? Because we combine competitive pricing with rigorous quality control, flexible customization, and professional after-sales support. Whether you are a drywall contractor needing a steady supply for entire subdivisions, or a distributor looking for a private-label partner, we offer a dependable solution. Contact us today for samples, technical data sheets, or a customized quote. Let us help you drive your next project to success — one screw at a time.
Frequently Asked Questions (FAQ)
1. Are these screws compatible with all screw guns?
Yes, they are designed to work with most major auto-feed screw guns that accept collated drywall screws, including brands like Makita, Dewalt, Senco, Hitachi, and many others. The plastic strip is made to standard collation angles (15° or 20°), but we recommend confirming your tool’s angle for optimal alignment.
2. What is the advantage of coarse thread over fine thread?
Coarse thread screws bite faster and deeper into wood studs, providing superior holding power and reducing the risk of strip-out. They are also ideal for attaching drywall to light-gauge steel studs (up to 0.5mm thick). Fine thread is generally better for heavier gauge steel.
3. Is the black phosphate coating sufficient for outdoor or high-humidity use?
The black phosphate coating provides mild corrosion resistance suitable for indoor drywall applications. For exterior or high-moisture environments, we recommend screws with additional coatings such as polymer or zinc plating. Please contact us for suitable alternatives.
4. Can I get custom lengths or special drives (e.g., Torx)?
Absolutely. We offer customization on lengths, drive type (Phillips, Square, Torx), and even strip length. Custom packaging and private labeling are also available. Minimum order quantities may apply for non-standard items.
5. How many screws come in one strip, and how are they packaged?
Each plastic strip contains 50 screws. Standard bulk packaging is 20 strips per box (1000 screws total). We also supply larger cartons or pallets for export. The strips are design for easy handling and minimal waste.
6. Do you provide quality certificates or test reports?
Yes, we can provide a Certificate of Compliance and test reports for dimensional accuracy, hardness, and coating thickness upon request. As a trading company, we work with factories that follow international standards, though specific third-party certifications (e.g., ISO) should be confirmed before ordering.
7. What is the lead time for bulk orders?
Depending on quantity and customization, typical lead time is 15–30 days after order confirmation. For urgent projects, we can accommodate partial shipments or expedite processing. Contact our sales team for real-time availability.
8. How do you handle quality control before shipment?
We implement a multi-step inspection: incoming material check, in-process monitoring at the factory, and a final random sampling (AQL level II) before packing. Any defective screws or strips are rejected and replaced. We also keep retain samples for traceability.
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