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Bestselling 3m™ Dual Lock™ Reclosable Fastener Sj3443, Black, 1 In X 50 Yd, Type 400, 2 Per Case ~ Limited Availability [n2FULG3g]

$57.99 $185.99 -69%

3M™ Dual Lock™ Reclosable Fastener SJ3443 The 3M™ Dual Lock™ Reclosable Fastener SJ3443 is a revolutionary fastener designed to replace traditional methods like screws, nuts, or bolts. This innovative fastener offers a durable, reclosable solution th

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Bestselling 3m™ Dual Lock™ Reclosable Fastener Sj3443, Black, 1 In X 50 Yd, Type 400, 2 Per Case ~ Limited Availability [n2FULG3g]

3M™ Dual Lock™ Reclosable Fastener SJ3443

The 3M™ Dual Lock™ Reclosable Fastener SJ3443 is a revolutionary fastener designed to replace traditional methods like screws, nuts, or bolts. This innovative fastener offers a durable, reclosable solution that can be opened and closed multiple times, making it an ideal choice for a variety of applications. With its black, interlocking mushroom-shaped heads, this fastener provides a snug fit and a smooth aesthetic appearance, enhancing the overall look of your project.

Product Specifications and Features

The 3M™ Dual Lock™ Reclosable Fastener SJ3443 boasts several key features that set it apart from other fastening options. It is most commonly attached using hot melt, epoxy, or liquid adhesive, offering flexibility in installation. The fastener features a 400 stem density per square inch, ensuring strong and reliable fastening. With excellent temperature resistance of up to 220°F (104°C), it can withstand various environmental conditions. Additionally, it can be matched with Type 170 or Type 250 stem densities to provide different strength combinations, catering to a wide range of applications.

Practical Applications and Benefits

The 3M™ Dual Lock™ Reclosable Fastener SJ3443 is a versatile tool that finds practical use in numerous scenarios. Whether you're working on a home improvement project, constructing outdoor furniture, or assembling point-of-purchase displays, this fastener offers numerous benefits. Its hidden design provides a sleek finish, and the audible snap upon closure verifies that the fastener is securely locked in place. The non-woven backing allows for easy attachment with various adhesives, ensuring a strong bond. This fastener is suitable for both indoor and outdoor use, making it a reliable choice for professionals and DIY enthusiasts alike.

What Our Customers Say

February 7, 2026

Absolutely no complaints!

The quality is amazing for its price.

- Kaison A..

February 7, 2026

Absolutely no complaints!

It’s a very well-made, high-quality piece of gear.

- Jayce T..

February 7, 2026

Absolutely no complaints!

An incredibly useful and very efficient gadget.

- Sadie K..

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