3M Dual Lock Reclosable Fastener SJ3440 250 Black, 2 in x 50 yd 0.16 in (4.1 mm), 1 per case Bulk

The 3M™ Dual Lock™ Reclosable Fastener SJ3440 offers a strong, durable, and reclosable fastening solution, serving as a clear alternative to traditional fastening methods like screws, nuts, or bolts. Featuring an innovative design with interlocking mushroom-shaped heads and a high stem density of 250 stems per square inch, this black fastener provides exceptional holding strength. It can be opened and closed multiple times without compromising its performance, making it ideal for projects that require repeated access. The fastener is most commonly applied using hot melt, epoxy, or liquid adhesives, providing flexibility in various applications where traditional adhesives or mechanical fasteners may not be suitable.

• Interlocking Mushroom-Shaped Heads: With 250 stems per square inch, the fastener offers a highly secure and durable bond, providing reliable performance even in demanding applications.
• Reclosable and Durable: The fastener allows for multiple opening and closing cycles without losing strength, making it perfect for applications that require frequent access to bonded materials.
• Easy to Apply: 3M™ Dual Lock™ Fastener SJ3440 can be attached using hot melt, epoxy, or liquid adhesives, eliminating the need for screws, nuts, or bolts and reducing the time and effort required for installation.
• High Strength Bond: Designed with a high stem density, this fastener ensures a robust bond suitable for a wide range of applications, from industrial to general use.
• Customizable Strength Options: The 3M™ Dual Lock™ Fasteners are available in different stem densities, allowing users to select the most appropriate strength level for their specific project needs.

Usage and Maintenance: Ensure surfaces are clean and dry before applying the fastener. Attach the fastener using the appropriate adhesive method (hot melt, epoxy, or liquid adhesive). Once applied, the fastener can be opened and closed multiple times, offering reliable, reclosable fastening for your project. Store in a cool, dry place to preserve adhesive and mechanical properties over time.

Product ID: Dual Lock SJ3440 UPC: 00-021200-65809-9, 00021200658099 Stock ID: 70-0705-2103-7, 70070521037