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Help CenterProfessional Grade Collated Screws, White Zinc Plated, Coarse Thread, 25-40mm, China Supply, Reliable Quality
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As a reliable supplier from Hefei SENOTECH New Materials Co., Ltd, we take pride in offering our Professional Grade Collated Screws with white zinc plating and coarse thread, available in lengths from 25 to 40 mm. Since 2020, our company has been dedicated to providing high-quality fasteners to global markets, including North America, Europe, Southeast Asia, and more. This product line combines durability, precision, and cost-effectiveness, making it a top choice for contractors and manufacturers who demand consistent performance in high-volume applications.
Our collated screws are designed for use with automatic screwdriving systems, significantly reducing installation time and labor costs. The white zinc plating ensures excellent corrosion resistance while maintaining a clean, professional appearance. The coarse thread design provides superior grip in soft materials such as wood and drywall, while the sharp point allows for quick self-drilling without pre-drilling.
Key Features & Benefits
- Professional Grade Quality: Manufactured to tight tolerances, ensuring consistent thread depth and sharpness. Each screw undergoes multi-step quality checks.
- White Zinc Plating: Offers moderate corrosion protection for indoor and some outdoor applications. The bright finish resists tarnishing and rust in dry environments.
- Coarse Thread Design: Optimized for fast engagement and strong holding power in particleboard, plywood, and softwood. Reduces the risk of stripping.
- Collated Strip Format: Compatible with most standard screw guns (e.g., Senco, Bostitch, Makita). Paper tape collation minimizes debris and jams.
- Versatile Length Range (25-40mm): Suitable for a wide variety of applications: attaching drywall to wood studs, securing subflooring, building pallets, and general construction.
- Cost-Effective Solution: Direct supply from China with competitive pricing without compromising on reliability. Ideal for bulk buyers.
Technical Specifications
| Length Options | 25 mm, 30 mm, 35 mm, 40 mm (custom lengths available upon request) |
| Thread Count | Coarse: ~8-10 threads per inch (varies by length) |
| Head Diameter | Approx. 8 mm (countersunk bugle head) |
| Coating Thickness | 5-8 microns (white zinc) |
| Hardness | HRC 42-48 (surface hardened) |
| Collation Material | Paper tape (plastic collation optional) |
| Strip Length | Standard 12-15 screws per strip |
| Packaging | 1000 pcs per box (customized packaging available for OEM) |
Detailed Product Description
Our professional grade collated screws are engineered for efficiency and reliability. The white zinc plating not only provides a clean aesthetic but also serves as a sacrificial layer to protect the underlying steel from oxidation. This coating is ideal for applications where screws are exposed to moderate humidity or occasional moisture, such as framing, decking, and furniture assembly.
The coarse thread geometry is specifically designed for soft and medium-density materials. Each thread is rolled (not cut), ensuring a sharper profile that cuts into wood fibers cleanly, reducing splitting. The self-tapping point enables the screw to start easily without a pilot hole, saving valuable time on the job site.
We use high‑carbon steel wire rod sourced from reputable mills, which is then heat‑treated to achieve a surface hardness of HRC 42‑48. This hardness ensures the screw can penetrate thin metal studs (up to 0.8 mm) without distorting, making them suitable for drywall‑to‑metal applications as well.
The paper tape collation system offers several advantages: it is biodegradable, produces less static, and releases screws smoothly during high‑speed driving. In case of a jam, the tape breaks easily without damaging the screw gun. We also offer plastic collation for customers who require even higher strip strength.
Our quality control process includes random sampling for tensile strength, hardness, and plating thickness tests. Each production batch is accompanied by a mill certificate upon request. We have established long‑term relationships with logistics providers to ensure on‑time delivery, with typical lead times of 15‑25 days after order confirmation.
As a trading company with annual export value of US$1‑1.5 million, we serve clients from over 20 countries. Our team in Hefei, Anhui is dedicated to providing responsive customer support and flexible order quantities. Whether you need a small trial or a full container load, we can tailor the packaging and labeling to your requirements.
We understand that consistent screw performance is critical for your production line or construction project. That is why we maintain tight control over every step, from raw material selection to final packaging. Our screws have been tested by independent labs for holding power and corrosion resistance, and they consistently meet or exceed industry standards for general‑purpose fasteners.
In addition to the 25‑40 mm range, we can supply other lengths (from 16 mm up to 65 mm) with the same coating and thread type. Custom head designs and drive styles (e.g., Torx, square drive) are also available for volume orders. Please contact us with your specific requirements.
We are confident that our collated screws will help you reduce fastener costs without sacrificing quality. With our professional packaging, clear markings, and reliable logistics, you can receive your order hassle‑free. Many of our repeat customers have integrated our screws into their production lines with zero compatibility issues.
Frequently Asked Questions
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1. Are these screws suitable for outdoor use?
The white zinc plating offers moderate corrosion resistance, making these screws ideal for indoor applications or sheltered outdoor use. For full exterior exposure, we recommend our yellow zinc or stainless steel alternatives (available on request). -
2. Which screw guns are compatible with these collated strips?
Our paper tape collated screws are designed to work with most standard screw guns that accept 1‑inch (25 mm) wide collated strips, such as Senco, Bostitch, Makita, and Hitachi models. Always check your tool's specifications before ordering. -
3. Can I get a sample before placing a bulk order?
Yes, we offer free samples for evaluation (shipping cost is collect). Please contact our sales team with your address and desired length. Samples are typically shipped within 2 working days. -
4. What is the minimum order quantity (MOQ)?
For standard lengths, our MOQ is 50,000 pieces (mixed sizes allowed). For custom lengths or special coatings, MOQ is 100,000 pieces. Smaller trial orders are possible after discussion. -
5. Do you provide custom packaging with my brand?
Absolutely. We offer OEM services including private labeling, custom box printing, and barcode stickers. Please provide artwork or specifications, and we will prepare a quotation. -
6. How do you ensure the screws are free from defects?
We implement a multi‑stage quality check: incoming wire inspection, dimensional checks during thread rolling, hardness testing, and final visual inspection before packaging. Our defect rate is consistently below 0.5%. -
7. What is the lead time for a standard order?
For confirmed orders with stock sizes, lead time is 10–15 days. For production orders (custom lengths or packaging), lead time is 20–25 days. We can arrange express shipping for urgent needs. -
8. Can these screws be used in metal studs?
Yes, the coarse thread and hardened tip allow these screws to pierce thin metal studs (up to 20 ga / 0.9 mm). For thicker metal, we recommend our self‑drilling screws with a drill point.
With our proven track record, competitive pricing, and commitment to quality, Hefei SENOTECH New Materials Co., Ltd is your trusted partner for professional collated screws. Contact our sales team today to request a quotation or discuss your specific requirements. We look forward to building a mutually beneficial relationship.
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