DD Fasteners Introduces High-Performance Side Lap HVAC Screws – Precision, Strength, and Corrosion Resistance for HVAC Applications
Engineered for HVAC Excellence
DD Fasteners' Side Lap HVAC Screws are specifically developed to streamline HVAC duct installation, offering:
🔹 Material Excellence – Constructed from cost-effective, malleable low-carbon steel, ensuring ease of use and reliability.
🔹 Tempered & Case-Hardened Strength – Enhanced core and surface hardness for superior durability and wear resistance.
🔹 Corrosion Resistance – Zinc-plated finish provides long-lasting protection against rust and environmental exposure.
🔹 Hex Washer Head Design – Ensures secure grip and optimal torque distribution during installation.
Optimized for Fast and Secure Installation
DD Fasteners’ Side Lap HVAC Screws are designed to offer fast and efficient installation with the following key features:
✅ Torque-Controlled Fastening – Ensures optimal hold and minimal material damage when fastening into thin sheet metal.
✅ Ideal Speed for Precision Application – Maximum installation speed of 1500-2000 RPM for seamless performance.
✅ Recommended Material Thickness – Securely fastens up to two layers of 18-gauge steel, making it suitable for various HVAC system assemblies.
Product Specifications
| Specification | Details |
|---|---|
| Head Type | Hex Washer |
| Material | Carbon Steel |
| Plating | Zinc |
| Surface Hardness | 50-56 HRC Equivalent |
| Core Hardness | 32-40 HRC Equivalent |
Versatile Applications in HVAC Systems
These screws are engineered to meet the demanding requirements of HVAC professionals, making them ideal for:
✔ Spiral Duct & Sheet Metal Connections – Ensuring a secure and airtight seal for HVAC systems.
✔ Duct Fabrication & Assembly – Designed for quick and reliable fastening during duct manufacturing.
✔ Air Ventilation & Exhaust Systems – Providing strong and durable connections for high-performance airflow solutions.
Customized OEM Solutions for Diverse Engineering Needs
At DD Fasteners, we offer customized fastener solutions to meet the unique specifications of our customers. Our OEM services include:
🔹 Material Options: C1022A, SUS304, SUS316, Bi-Metal, and more.
🔹 Drive Types & Head Configurations: Phillips, Torx, Hex Washer, and other designs.
🔹 Coating & Surface Treatments: Ruspert, Zinc Plating, Mechanical Galvanizing, and more.
🔹 Size & Diameter Customization: Tailored to specific engineering requirements.
Partner with DD Fasteners for Reliable Fastening Solutions
With a commitment to precision engineering and superior product quality, DD Fasteners is your trusted partner for high-performance HVAC fastening solutions. Contact us today to learn more about our bulk orders, OEM services, and special promotions.
📌 Visit www.ddfasteners.com
📌 WhatsApp: +852 68409292
📌 Email: felixyung@ddfasteners.com
DD Fasteners – The Preferred Choice for HVAC Fastening Solutions.