Dual lock

3M Dual Lock Fixing System: Secure, Reusable Fastening Solutions

Discover the ultimate in fastening technology with our range of 3M Dual Lock Fixing Systems. Engineered for strength, versatility, and convenience, 3M Dual Lock offers a revolutionary alternative to traditional mechanical fasteners, adhesives, and strong and long lasting fixing solutions; in fact, they withstand more than 1000 opening and closing cycles. The unique mushroom-shaped inserts fit together and remain hooked ensuring a high mechanical seal capacity.

Why Choose 3M Dual Lock?

3M Dual Lock Reclosable Fasteners feature interlocking mushroom-shaped heads that snap together to provide a strong, reliable hold. Unlike ordinary hook-and-loop systems, Dual Lock delivers up to five times the tensile strength, making it ideal for demanding applications in automotive, electronics, signage, and general industrial use.

Key benefits:

- Superior holding power: Securely fasten panels, signs, trims, and more—even in high-vibration environments.

- Easy to use: Simple peel-and-stick application with pressure-sensitive adhesive backing.

- Reusable & adjustable: Open and close up to 1,000 times without losing grip.

- Clean & professional: No drilling, screws, or messy glues required.

Browse our selection of 3M Dual Lock products, including:

- 3M Dual Lock SJ3550: Black, heavy-duty, adhesive-backed strips for indoor and outdoor use.

- 3M Dual Lock SJ3560: Clear, low-profile fasteners ideal for transparent surfaces and electronics.

- 3M Dual Lock SJ4570: Ultra-thin and flexible for lightweight applications.

Applications

3M Dual Lock is perfect for:

- Mounting signs and displays

- Securing panels and access doors

- Attaching automotive trim

- Organizing cables and components

- Temporary or permanent fixtures

What benefits do customers gain from using the 3M Dual Lock system in their projects?

Customers gain several significant benefits from using the 3M Dual Lock system in their projects:

- Ease of use and installation: 3M Dual Lock fasteners can be applied quickly by hand, with adhesive backing that eliminates the need for drilling, screws, or surface preparation. This saves time and reduces labor costs compared to traditional fasteners.

- Reusability and flexibility: The system is designed for repeated use, allowing components to be detached and reattached up to 1,000 times without losing holding power. This makes it ideal for applications requiring frequent maintenance, updates, or reconfiguration.

- Strong and durable hold: The interlocking mushroom-shaped heads provide a secure attachment, offering up to five times the tensile strength of standard hook-and-loop fasteners. 3M Dual Lock withstands vibration, moisture, UV exposure, and extreme temperatures, ensuring reliability in both indoor and outdoor environments.

- Lightweight and aesthetic: Dual Lock is lighter than mechanical fasteners like screws or bolts, helping reduce the overall weight of assemblies. It also creates clean, invisible joints, improving the appearance of finished products by eliminating visible fasteners.

- Design versatility: The fasteners work on a wide range of materials (metals, plastics, wood, etc.) without damaging or altering surfaces. They provide flexibility in design, allowing for easy adjustments, realignment, or repositioning as needed.

- Noise and vibration dampening: 3M Dual Lock absorbs vibrations and helps control noise, which is especially beneficial in vehicles or machinery.

- Productivity and cost savings: The system speeds up production and assembly processes, reduces the need for finishing work, and lowers installation and maintenance costs compared to traditional methods.

- Enhanced safety and compliance: Certain Dual Lock products comply with industry safety standards, such as fire and smoke regulations for transportation applications.

What environmental conditions can 3M Dual Lock withstand for outdoor projects?

3M Dual Lock is engineered to withstand a wide range of environmental conditions, making it highly suitable for outdoor projects. Key environmental resistances include:

- Temperature extremes: 3M Dual Lock with VHB acrylic adhesive can endure temperatures from as low as -40°F (-40°C) up to 200°F (93°C) without significant loss of performance.

- Moisture and humidity: The closure strength remains unaffected after prolonged exposure to water or high humidity, ensuring reliable performance in wet or damp environments.

- UV resistance: Many Dual Lock products, especially those with black coloring like SJ3550, offer good resistance to ultraviolet (UV) exposure. For best results in direct sunlight, it is recommended to place the fastener between opaque or UV-resistant surfaces.

- Durability in outdoor conditions: The fastener’s adhesive and backing are formulated to withstand typical outdoor challenges, including rain, sun, and fluctuating temperatures.

Notably, low profile Dual Lock products are generally not recommended for outdoor use, while standard Dual Lock products such as SJ3550 and SJ3560 are proven to perform well in outdoor applications.

In summary, 3M Dual Lock is suitable for outdoor use due to its resistance to temperature extremes, moisture, and UV exposure, providing a durable and reliable fastening solution for various outdoor environments.

Overall, customers benefit from a fast, flexible, and reliable fastening solution that improves efficiency, aesthetics, and long-term performance across a wide range of projects and industries.