About this item
- Trial bag version (1 in. x 10 ft) of 3M Dual Lock Low Profile Reclosable Fastener SJ4575
- Great for small jobs, prototyping and design evaluation
- Interlocking mushroom-shaped heads provide strong, reliable and durable fastening that can be opened and closed multiple times
- Low surface energy acrylic adhesive bonds well to a variety of substrates including metals, powder-coated paints and a broad range of plastics
- 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
From the manufacturer

Bringing Better Ideas to the Surface through Science and Innovation
In the 3M Industrial Adhesives and Tapes Division, they apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, their technologies help customers like you deliver competitive products to the market faster and more efficiently.
3M Dual Lock Reclosable Fastener TB4575
3M Dual Lock Reclosable Fastener TB4575 is a low profile fastener designed for use in a variety of attachment solutions. It features a continuous strip of polyolefin stems with mushroom shaped tops protruding up from the backing. These fasteners can be opened and closed up to 150 times before losing 50% of the original tensile strength.
- Snap-in-place installation replaces screws and nails, snaps, and rivets
- Half the thickness of standard 3M Dual Lock Reclosable Fasteners
- Can be opened and closed up to 150 times before losing 50% of the original tensile strength
- Low profile, self-mating fastener provides aesthetically appealing attachment method
- Designed to bond to metals, glass, many plastics and powder coated paints and medium to low surface energy materials

3M Trial Bags Simplify Selection
3M Dual Lock Reclosable Fastener Trial Bags provide a simplified ‘go-to’ selection that has proven successful for most common applications, along with just the right length and quantity for trial run testing.
Solve Attachment Challenges in an Instant
The mushroom-shaped heads on the 3M Dual Lock Reclosable Fastener TB4575 easily slide over each other, allowing for the positioning of parts before they snap together to create a firm fastening attachment. When mated, the fasteners are hidden from view and leave an unbroken surface to help create a smooth, clean appearance. The pressure sensitive acrylic adhesive sticks to metals (aluminum, stainless steel), glass, many plastics (polyproplene, polyethelene, polycarbonate, ABS), powder coated paints and medium to low surface energy materials.

How the 3M Dual Lock Reclosable Fastener Works
When two pieces of 3M Dual Lock Reclosable Fastener are pressed together, the stems flex and the mushroom heads slide past each other. After passing the mushroom heads on the opposing mating piece, a stem snaps up into its original position, interlocking with the opposing heads. The audible snap signals the fastener is engaged. The attachment formed may be as effective as screws or rivets, but will peel apart for repositioning. 3M Dual Lock Reclosable Fasteners are used extensively in transportation, electronics, business equipment, machinery, medical, and sign and display markets.
Applications include attaching signs, enclosure panels, banners and furniture seats and backs. Today, designers, manufacturers, and consumers expect more options to secure, attach and connect surfaces.
3M Dual Lock Reclosable Fasteners offer instant installation and high-strength attachment, yet can be opened as easily as zippers. That functional flexibility, as well as superior aesthetics, reduced weight, and savings in labor and installation costs, make these innovative fasteners a popular and effective solution.
Recommended Applications
- Attaching accessories to computer monitors
- Interior signage
- Decorative trim attachment
- Window valences
Product Description
Product Description
3M Dual Lock Low Profile Reclosable fastener. TB4570 is a low surface energy adhesive on the back of a clear polypropylene Reclosable fastener. This product is half the thickness of standard 3M Dual Lock Reclosable Fasteners, providing a low profile attachment. An alternative to screws and bolts, this hidden fastener provides a snug fit and smooth aesthetic appearance. A low surface energy adhesive on the back of a black polypropylene reclosable fastener. Low profile. 0.10 inch engaged thickness. Closure life 100.
From the Manufacturer
A low surface energy adhesive on the back of a black polypropylene reclosable fastener. Low profile. 0.10 inch engaged thickness. Closure life 100.

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