Shop 3M Dual Lock Reclosable Fastener SJ3441 Black 1 inch 50 yard In Iraq Best Prices
Professional-grade reclosable fastener with 400 stem density mushroom heads, 1 inch x 50 yard roll, rated for 1000 reattachments with audible snap closure verification and temperature resistance to 220°F.
The 3M™ Dual Lock™ Reclosable Fastener SJ3441 is a professional-grade fastening solution designed to replace traditional screws, nuts, and bolts. This black fastener features interlocking mushroom-shaped heads with 400 stem density per square inch, providing exceptional strength and reliability that can be opened and closed multiple times without degradation. The product comes in a convenient roll format measuring 1 inch wide by 50 yards long, with 2 rolls per case, making it ideal for industrial applications requiring durable, reclosable fastening systems.
This innovative fastening system operates with an audible snap when properly engaged, providing clear verification of secure closure. The non-adhesive back design allows for flexible attachment methods using hot melt, epoxy, or liquid adhesives, giving engineers and manufacturers complete control over the installation process. The fastener maintains excellent temperature resistance up to 220°F (104°C), though actual performance may vary based on the adhesive used. With a closure life of up to 1000 reattachments, this product delivers long-lasting performance suitable for both indoor and outdoor applications.
The 3M™ Dual Lock™ Reclosable Fastener SJ3441 is compatible with Type 170 and Type 250 stem densities, allowing for customized strength combinations based on specific project requirements. This hidden fastener provides a smooth aesthetic appearance without drilling or screwing, making it an excellent alternative to pressure-sensitive adhesives. Constructed with a polyolefin backing material and engineered for industrial use, this product is suited for construction, electronics, furniture, general industrial, medical device, military, packaging, retail, specialty vehicles, and transportation applications.
Key Features
- Interlocking mushroom-shaped heads with 400 stem density per square inch for superior strength and durability
- Opens and closes multiple times with up to 1000 reattachments without performance degradation
- Audible snap closure provides clear verification of secure fastening
- Non-adhesive back allows flexible attachment using hot melt, epoxy, or liquid adhesives
- Temperature resistant up to 220°F (104°C) with excellent performance in indoor and outdoor applications
- Compatible with Type 170 and Type 250 stem densities for customized strength combinations
- Hidden fastener provides smooth aesthetic appearance without drilling or screwing
- Polyolefin backing material for durability and reliability in demanding applications
- Easy hand-peel disengagement for simple removal when needed
- Ideal alternative to screws, nuts, bolts, and pressure-sensitive adhesives
Technical Specifications
| Specification |
Value |
| Product Name | 3M™ Dual Lock™ Reclosable Fastener SJ3441 |
| Part Number | SJ3441 |
| UPC Code | 00021200862298 |
| 3M ID | 7000001955 |
| Product Color | Black |
| Product Form | Roll |
| Overall Width (Imperial) | 1 inch |
| Overall Width (Metric) | 25.4 mm |
| Overall Length (Imperial) | 50 yards |
| Overall Length (Metric) | 45.72 meters |
| Engaged Thickness (Imperial) | 0.16 inch |
| Engaged Thickness (Metric) | 4.1 mm |
| Stem Density | 400 stems per square inch |
| Backing Material | Polyolefin |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Maximum Operating Temperature (Celsius) | 93°C |
| Temperature Resistance | 220°F (104°C) with adhesive |
| Closure Life | 1000 reattachments |
| Flame Retardant | No |
| Units per Case | 2 rolls |
| Smallest Saleable Unit | Roll |
| Brand | Dual Lock™ |
| Fastener Type | Mushroom Hook Fastener, Type 400 |
| Compatible Types | Type 170, Type 250 |
| Attachment Method | Hot melt, epoxy, or liquid adhesive |
| Intended Use | Industrial/occupational use only |
| Industries | Construction, Electronics, Furniture, General Industrial, MRO, Medical, Military & Government, Packaging, Retail, Specialty Vehicles, Transportation |
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