Shop 3M Dual Lock Reclosable Fastener SJ3440 Black 6in x 50yd In Iraq Best Prices
Professional-grade reclosable fastener with interlocking mushroom heads, 250 stem density, non-adhesive backing, 1000 closure cycles, suitable for industrial applications including graphics, kiosk, and panel assembly.
The 3M™ Dual Lock™ Reclosable Fastener SJ3440 is a professional-grade fastening solution featuring interlocking mushroom-shaped heads with 250 stem density per square inch. This black fastener provides strong, reliable, and durable fastening that can be opened and closed multiple times without losing its gripping strength. The non-adhesive backing allows for flexible attachment using hot melt, epoxy, or liquid adhesives, making it an ideal alternative to traditional screws, nuts, and bolts.
Designed for industrial and occupational use, this reclosable fastener delivers exceptional versatility across numerous applications including graphics attachment, kiosk assembly, panel attachment systems, and sensor attachment. The fastener features an audible snap when securely closed, providing clear verification of proper closure. With a maximum operating temperature of 200°F (93°C) and a closure life of 1000 cycles, this product maintains its performance throughout multiple attachments and detachments.
The 3M Dual Lock SJ3440 comes in a convenient roll format measuring 6 inches wide by 50 yards long, packaged as 1 roll per case. It can mate with Type 170, Type 250, or Type 400 stem densities to provide different strength combinations based on specific project requirements. This lightweight alternative to metal fasteners remains hidden beneath surfaces, providing aesthetic improvements and design flexibility while maintaining structural integrity.
Key Features
- Interlocking mushroom-shaped heads with 250 stem density per square inch for strong, reliable fastening
- Reclosable design allows opening and closing multiple times with audible snap verification of closure
- Non-adhesive backing compatible with hot melt, epoxy, and liquid adhesives for flexible attachment
- Compatible with Type 170, Type 250, and Type 400 stem densities for customizable strength combinations
- Temperature resistant up to 220°F (104°C) with 1000 closure cycle lifespan for long-lasting performance
- Lightweight alternative to screws and bolts providing hidden fastening with smooth aesthetic appearance
- Suitable for indoor and outdoor use across construction, electronics, furniture, and industrial applications
Technical Specifications
| Specification |
Value |
| Product Number | SJ3440 |
| UPC Code | 00048011579122 |
| 3M ID | 7100045019 |
| Product Form | Roll |
| Product Color | Black |
| Overall Width (Imperial) | 6 inches |
| Overall Width (Metric) | 152.4 mm |
| Overall Length (Imperial) | 50 yards |
| Overall Length (Metric) | 45.72 meters |
| Stem Density | 250 stems per square inch |
| Engaged Thickness (Imperial) | 0.16 inches |
| Engaged Thickness (Metric) | 4.1 mm |
| Adhesive Type | Non-adhesive |
| Backing Material | Polyolefin |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Maximum Operating Temperature (Celsius) | 93°C |
| Temperature Resistance | Up to 220°F (104°C) with adhesive dependent variation |
| Closure Life | 1000 cycles |
| Flame Retardant | No |
| Units per Case | 1 roll |
| Smallest Saleable Unit | Roll |
| Brand | Dual Lock™ |
| Type Classification | Type 250 |
| Compatible Densities | Type 170, Type 250, Type 400 |
| Application Areas | Graphics Attachment, Kiosk Assembly, Panel Attachment Systems, Sensor Attachment |
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