3M Dual Lock SJ3550 Reclosable Fastener, 25mm, Black (per meter)

🔗 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