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Help CenterChina Manufacturer Self Drilling Screw Dacromet Coated Wafer Head for Steel Framing Bulk Packing Quick Installation
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Hefei SENOTECH New Materials Co., Ltd is proud to present our premium China Manufacturer Self Drilling Screw Dacromet Coated Wafer Head for Steel Framing. Engineered for rapid installation and long-lasting performance, these screws are designed to meet the demanding needs of steel framing projects. Our Dacromet coating provides superior corrosion resistance, ensuring durability in harsh environments. With bulk packing options, we offer cost-effective solutions for large-scale construction, reducing downtime and increasing efficiency on site.
Each screw features a wafer head that provides a low profile and a smooth finish, ideal for attaching steel studs, tracks, and panels. The self-drilling tip eliminates the need for pre-drilling, saving labor time and material costs. Our commitment to quality control and strict manufacturing standards ensures consistent thread geometry and hardness, resulting in reliable fastening every time.
Key Features & Specifications
- Self-Drilling Point: Reduces installation steps; no pre-drilling required – suitable for steel up to 12 gauge.
- Dacromet Coating: Offers excellent protection against rust, salt spray, and chemicals – ideal for exterior or high-moisture applications.
- Wafer Head Design: Low-profile countersunk head with Phillips or Square drive – ensures flush finish and easy driving.
- Material: High-grade carbon steel, heat treated for optimal hardness and ductility.
- Bulk Packing: Available in 500, 1000, or 2500 pcs per box – reduces packaging waste and per-unit cost.
- Quick Installation: Engineered for high-speed driving with power tools – increases productivity on job sites.
| Parameter | Details |
|---|---|
| Diameter | #8, #10, #12, #14 (custom sizes available) |
| Length | 1/2" to 3" (custom lengths upon request) |
| Coating Thickness | 8–12 μm (Dacromet) |
| Hardness | Core: 32–38 HRC; Case: 58–62 HRC |
| Drilling Capacity | Up to 3mm steel (combined thickness) |
| Drive Type | Phillips #2 or Square #2 (optional) |
| Packing Options | Bulk: 1000 pcs/box; Custom bulk packs available |
Industry Applications & Benefits
- Steel Framing: Perfect for light gauge steel studs, tracks, and joists in residential and commercial construction.
- Metal Roofing & Siding: Reliable fastening for corrugated panels and metal sheets.
- HVAC Ductwork: Secure attachment of ducts and supports in climate-controlled environments.
- General Fabrication: Suitable for sheet metal assemblies, guardrails, and storage systems.
Our screws are designed to reduce installation time by up to 30% compared to conventional screws. The Dacromet coating withstands over 500 hours of salt spray testing, making them ideal for coastal or industrial applications. Bulk packaging minimizes waste and simplifies inventory management for large projects.
Trust Your Project with Hefei SENOTECH
Since 2020, Hefei SENOTECH New Materials Co., Ltd has been a reliable trading partner exporting to over 15 regions worldwide, including North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, and the Middle East. With annual export values between US$1 Million and US$1.5 Million, our consistent quality and competitive pricing have earned the trust of contractors and distributors globally. Each batch undergoes rigorous inspection to ensure uniformity in thread dimensions, coating thickness, and drilling performance. We are committed to providing fast delivery, flexible packaging options, and responsive customer service.
Contact us today to request samples, bulk pricing, or custom specifications. Our team is ready to support your steel framing projects with high-performance self-drilling screws that deliver efficiency and reliability on every job site.
Frequently Asked Questions (FAQ)
1. What is the maximum steel thickness these screws can drill through?
Our self-drilling screws can penetrate up to 3mm total steel thickness (e.g., two layers of 1.5mm). For thicker materials, we recommend a larger screw size or pre-drilled pilot holes.
2. Are Dacromet-coated screws suitable for outdoor use?
Yes, Dacromet coating provides excellent corrosion resistance, making them suitable for outdoor and high-humidity environments. However, for extreme chemical or saltwater exposure, additional coatings (e.g., Xylan) are available on request.
3. What drive types do you offer?
Standard drive is Phillips #2. Square drive (#2) is available as an option. We can also customize to other drives upon request.
4. Can I get custom lengths or diameters?
Absolutely. We offer customizable sizes to meet your project requirements. Minimum order quantities may apply for custom sizes.
5. What is the minimum order quantity for bulk packing?
For standard sizes, minimum order is 10,000 pcs per item. For custom sizes, please contact our sales team for details.
6. How do you ensure quality consistency in mass production?
We follow strict in-process and final inspection procedures, including hardness testing, coating thickness measurement, and torque tests. Each batch is traceable and accompanied by a certificate of analysis.
7. Do you provide samples before mass production?
Yes, we offer free samples (shipping cost borne by buyer) to evaluate quality. Lead time for samples is 3–5 working days.
8. What payment terms and shipping methods do you support?
We accept T/T, L/C, and other negotiable terms. Shipping options include FOB, CIF, and express courier. We work with major logistics providers to ensure timely delivery.
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