Shop 3M Dual Lock Reclosable Fastener SJ3442 Black 2 in x 50 yd In Iraq Best Prices
Strong, reusable reclosable fastener with 170 stem density mushroom heads, non-adhesive backing, 1000 closure cycles, audible snap verification, and temperature resistance to 200°F for industrial applications.
The 3M™ Dual Lock™ Reclosable Fastener SJ3442 is an innovative alternative to traditional fastening methods such as screws, nuts, and bolts. Featuring interlocking mushroom-shaped heads with 170 stem density per square inch, this fastener provides strong, reliable, and durable fastening that can be opened and closed multiple times without losing its grip strength. The non-adhesive polyolefin backing allows for attachment using hot melt, epoxy, or liquid adhesives, making it highly versatile for various industrial applications.
This reclosable fastener is engineered for exceptional performance with 1000 closure life cycles, ensuring long-lasting durability through hundreds of reattachments. The fastener secures with an audible snap that verifies closure, providing confidence in the connection. It mates with Type 250 or Type 400 stem densities to provide different strength combinations, allowing customization based on specific project requirements. With good temperature resistance up to 200°F (93°C), this product is suited for both indoor and outdoor use across construction, electronics, furniture, medical devices, military, and transportation industries.
The 3M™ Dual Lock™ Reclosable Fastener SJ3442 offers design flexibility by allowing positioning of parts before being snapped together, creating a durable attachment with fast product assembly. As a lightweight alternative to metal fasteners, it remains hidden beneath surfaces without interfering with material integrity, providing aesthetic improvements. Simply peel the pieces apart by hand to disengage, maintaining strength throughout multiple attachments and detachments.
Key Features
- Interlocking mushroom-shaped heads with 170 stem density per square inch provide strong, reliable fastening
- Reusable design supports 1000 closure cycles maintaining strength through hundreds of attachments and detachments
- Audible snap verification confirms secure closure and provides confidence in connection
- Non-adhesive polyolefin backing compatible with hot melt, epoxy, and liquid adhesives for flexible attachment options
- Temperature resistant to 200°F (93°C) suitable for indoor and outdoor industrial applications
- Mates with Type 250 or Type 400 stem densities for customizable strength combinations
- Lightweight alternative to metal fasteners that remains hidden for aesthetic improvements
- Simple hand-peel disengagement eliminates need for tools or drilling
- Available in convenient 2 inch width by 50 yard roll format
- Approved for construction, electronics, furniture, medical, military, and transportation industries
Technical Specifications
| Specification |
Value |
| Product Name | 3M Dual Lock Reclosable Fastener SJ3442 |
| Part Number | SJ3442 |
| 3M Product Number | SJ3442 |
| UPC Code | 00021200863721 |
| Product Color | Black |
| Product Form | Roll |
| Overall Width (Imperial) | 2 in |
| Overall Width (Metric) | 50.8 mm |
| Overall Length (Imperial) | 50 yd |
| Overall Length (Metric) | 45.72 m |
| Engaged Thickness (Imperial) | 0.16 in |
| Engaged Thickness (Metric) | 4.1 mm |
| Stem Density | 170 stems per square inch |
| Adhesive Type | Non-adhesive |
| Backing Material | Polyolefin |
| Maximum Operating Temperature (Fahrenheit) | 200°F |
| Maximum Operating Temperature (Celsius) | 93°C |
| Closure Life | 1000 cycles |
| Flame Retardant | No |
| Units per Case | 1 Roll |
| Smallest Saleable Unit | Roll |
| Brand | Dual Lock™ |
| Compatible Stem Densities | Type 250, Type 400 |
| Attachment Method | Hot melt, epoxy, or liquid adhesives |
| Disengagement Method | Hand peel or cleave |
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