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3M™ Dual Lock™ Reclosable Fastener SJ3440, 1 in x 50 yd (2.5 cm x 45.7 m)
- Part Number SJ3440-1X50
- 3M ID 7000001979
- UPC 00021200658082
Details
Highlights
- Black, interlocking mushroom-shaped heads (250 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times
- Mates with Type 170, Type 250, or Type 400 stem densities to provide different strength combinations
- Non-adhesive back for attachment with hot melt, epoxy, or liquid adhesives
- Strong fastener secures with an audible snap, verifying closure
- An alternative to screws and bolts, this hidden fastener provides a snug fit and smooth aesthetic appearance
The 3M™ Dual Lock™ Reclosable Fastener SJ3440 is the easy and clear alternative to traditional fastening methods, such as screws, nuts, or bolts. It is designed to deliver a durable, reclosable fastening solution, which can be opened and closed multiple times. This black fastener is most commonly attached by applying hot melt, epoxy, or liquid adhesive.
Durable and secure, the 3M™ Dual Lock™ Reclosable Fastener SJ3440 has exceptional strength through its interlocking mushroom-shaped heads (250 stem density per square inch). With 3M™ Dual Lock™ Reclosable Fastener SJ3440, there is no need for any drilling or screwing. This fastener is most commonly attached by applying hot melt, epoxy, or liquid adhesive.
Suggested applications
- General industrial, packaging, point of purchase displays, exhibits, electronics, construction, furniture and maintenance, repair and operations (MRO)
- Attach doors, access panels, signs and display components
- for use with a variety of 3M™ Hot Melt/Liquid Adhesives, can be bonded to wood, foam, fabric or similar materials
Typical Properties
| Adhesive Type | Non-Adhesive |
| Backing (Carrier) Material | Polyolefin |
| Brands | Dual Lock™ |
| Closure Life | 1000 |
| Engaged Thickness (Imperial) | 0.16 in |
| Engaged Thickness (Metric) | 4.1 mm |
| Flame Retardant | No |
| Industries | Furniture, Construction, General Industrial, Medical, Electronics, Military and Government, Transportation, Packaging, Retail, Specialty Vehicle, MRO |
| Maximum Operating Temperature (Celsius) | 93 °C |
| Maximum Operating Temperature (Fahrenheit) | 200 null |
| Product Colour | Black |
| Product Form | Roll |
| Smallest Saleable Unit | Roll |
| Stem Density | 250 |
| Units per Case | 2.0 |
| Overall Length (Imperial) | 50 yd |
| Overall Length (Metric) | 45.72 m |
| Overall Width (Imperial) | 1 in |
| Overall Width (Metric) | 25.4 mm |
Similar products
| Adhesive Type | Non-Adhesive | |||
| Backing (Carrier) Material | Polyolefin | |||
| Brands | Dual Lock™ | |||
| Closure Life | 1000 | |||
| Engaged Thickness (Imperial) | 0.16 in | |||
| Engaged Thickness (Metric) | 4.1 mm | |||
| Flame Retardant | No | |||
| Industries | Furniture, Construction, General Industrial, Medical, Electronics, Military and Government, Transportation, Packaging, Retail, Specialty Vehicle, MRO | |||
| Maximum Operating Temperature (Celsius) | 93 °C | |||
| Maximum Operating Temperature (Fahrenheit) | 200 null | |||
| Overall Length (Imperial) | 50 yd | |||
| Overall Length (Metric) | 45.72 m | |||
| Overall Width (Imperial) | 1 in | |||
| Overall Width (Metric) | 25.4 mm | |||
| Product Colour | Black | |||
| Product Form | Roll | |||
| Smallest Saleable Unit | Roll | |||
| Stem Density | 250 | |||
| Units per Case | 2.0 |
3M™ Dual Lock™ Reclosable Fastener SJ3440, 1 in x 50 yd (2.5 cm x 45.7 m)
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