

3M Dual Lock SJ3550 Reclosable Fastener, 25mm, Black (per meter)
€19.60
3M Dual Lock™ SJ3550 Reclosable Fastener (25mm, Black) offers powerful, reusable fastening with clean aesthetics and industrial-grade durability. Sold per meter, it’s ideal for applications requiring a strong, hidden bond that can be opened and closed repeatedly without tools.
Out of Stock
🔗 Heavy-Duty, Removable Bonding for Professionals
The 3M™ SJ3550 Dual Lock Reclosable Fastener is designed for tough environments where traditional fasteners like screws or rivets aren’t practical. Using interlocking mushroom-shaped stems, it creates a secure “snap-in-place” closure with excellent holding power.
With Type 250 stem density (250 stems per square inch), this black version blends discreetly into dark surfaces while providing robust, vibration-resistant fastening that can be reused up to 1,000 times.
🔍 Technical Specifications
Width: 25 mm
Color: Black
Material: Polypropylene
Adhesive: High-performance acrylic VHB adhesive
Mating Type: Type 250 (250 stems/in²)
Engaged Thickness: Approx. 6.1 mm
Temperature Resistance: Up to 93°C continuous use
UV/Weather Resistance: Excellent
Durability: Reusable up to 1,000 closures
Packaging: Sold by the meter
✅ Key Features & Benefits
Strong Reclosable Bond: Replaces screws and bolts with clean, tool-free fastening
Durable and Secure: Withstands vibration, moisture, heat, and UV exposure
Discreet Appearance: Matte black color ideal for low-visibility installations
Flexible Application: Installs easily on metals, plastics, glass, and painted surfaces
User-Friendly: Snaps together with a satisfying click and removes cleanly
🛠️ Ideal Applications
Mounting access panels and control boxes
Fastening electronics enclosures and signs
Marine and automotive interior components
Industrial displays and removable panels
Trade show booth construction and portable fixtures