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3M Dual Lock Reclosable Fastener TB3551/TB3552 400/170 Black 1 in x 10 ft (1 Mated Strip/Bag)

4.6 out of 5 stars 70 customer reviews

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  • Five times stronger in tensile than typical hook-and-loop fasteners
  • Durable enough to be opened and closed 1,000 times before losing 50% of its original strength
  • Mushroom-shaped stems snap in place to ensure fastener is engaged
  • General purpose acrylic adhesive bonds to metals, glass and medium to high surface energy plastics
  • Trial bags offer a simplified "go-to" selection of stem density pairings
  • Five times stronger in tensile strength than typical hook-and-loop fasteners

Specifications for this item
Part Number 051111078037
Brand Name 3M Dual Lock
Color Black
UPC 051111078037
EAN 0051111078037
Maximum Temperature 200  Degrees Fahrenheit
Number of Items 1
Overall Length 10  feet
Overall Width 1  inches
Thickness 0.23  inches
UNSPSC Code 11162114


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Frequently Bought Together

  • 3M Dual Lock Reclosable Fastener TB3551/TB3552 400/170 Black 1 in x 10 ft (1 Mated Strip/Bag)
  • +
  • 3M Dual Lock Reclosable Fastener TB3550 250/250 Black, 1 in x 10 ft (1 Mated Strip/Bag)
  • +
  • 3M Dual Lock Reclosable Fastener TB4575 Low Profile Black, 1 in x 10 ft (1 Mated Strip/Bag)
Total price: $91.19
Buy the selected items together

Product Description

Product Description

A general purpose, acrylic adhesive on the back of a black, polypropylene reclosable fastener. 400/170 stems per square inch. 0.23 inch engaged thickness. Closure life 1,000.

From the Manufacturer

This trial bag includes a 10 ft. mated strip of 400/170 stem density, a combination proven successful for a majority of indoor and outdoor applications. This Dual Lock product uses durable acrylic adhesive to bond strongly to metals, glass, some plastics and painted surfaces. The adhesive sticks quickly and reaches full strength after 72 hours. 3M Dual Lock Reclosable Fastener TB3551/TB3552 is great for indoor and outdoor applications which include attaching doors, access panels, signs, cushions and headliners. Recommended for use at temperatures ranging from -20°F/-29°C to 200°F/93°C.


Product Details

  • Shipping Weight: 8.8 ounces (View shipping rates and policies)
  • Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • ASIN: B007OXK1M8
  • Average Customer Review: 4.6 out of 5 stars 70 customer reviews
  • Amazon Best Sellers Rank: #2,018 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Important Information

Legal Disclaimer
3M packages and labels its industrial/commercial products for purchase and use by industrial, professional, and commercial customers. Unless specifically stated on the product package or applicable product literature, 3M industrial products are not packaged, labeled, or intended for sale to individual consumers (ie., the general public).

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I love this product and it is soooo much stronger than the hook and loop fastener! The little mushroom heads fit really well together and there is no "fuzz" to catch all kinds of lint! This combination 400/170--one side of the products has 400 heads per inch and the other side has 170. There is a 250/250 combination that is really great too. Do not try to put 400/400 together as the heads are too close together, they tend to break off! Highly recommend for all types of "fastening" jobs, especially when needed in a hot vehicle or where the adhesive will get warm. Description will tell you temperature limits!
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Verified Purchase
Works great, very hard to separate and hard to push together. If you have to separate frequently I would go with the standard 3m fastener. I used on a small satellite radio on the face of the dashboard of my truck. I had to push so hard to get the tape together that I was afraid I was going to break the radio. Never did get it all the way pushed together. The only reason I got the 3M is because the glue kept melting on hot days on the cheap Velcro I had been buying, and my radio would fall off the dash. The 3M is not supposed to do that but no hot days yet so have to wait and see.
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Verified Purchase
This is an awesome product that provides extremely secure anchoring of all sorts of stuff in places and conditions where competitive products either un-stick from the mounting surface (like car windshields) or creep at the tape to tape connection like hook and loop products do. One big undisclosed negative for me, however, is that it is only black on the side where it connects to another piece of tape. The sticky side is white - so it is very visible from the back side when mounted on glass - you might even say ugly.
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Vine Customer Review of Free Product ( What's this? )
Tough stuff. But watch how you cut it, as you can bend, twist, and distort the "fabric." A sharp, heavy-duty pair of shears works best.

What may not be apparent from the description is that you will get TWO rolls, one for each side of the fastener. For some reason I was expecting a single roll of self-mating material. When two showed up, I tried self-mating it. Surprisingly, you CAN get a reasonable mate if you turn one of the pieces of material sideways. Not as strong as using the proper mating material, but not bad if you need a weaker bond with easier removal.

Paired with the proper mating strip, the bond is tight indeed ... to the point where it's hard to pull apart. Like other reviewers, I found that the weak point is the adhesive, not the bond between the mating plastic strips. The adhesive is strong - just not as strong. You have to exercise just a little care when pulling the strips apart once they are fastened down.

Functionally, the somewhat weaker adhesive is the only issue I have with this product. It IS expensive, however. And I find the price hard to justify. the 4-star rating reflects my view of the relative value more than anything else.
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Verified Purchase
Stick your computer peripherals out of sight. I stuck the (heavy) wireless router to the wall, the hard drives to the side of my desk, and the modem and the switch under a shelf. I had to pound the items to engage the strips, and had to doctor the drywall when I removed one from the wall. Though expensive, I now I have a lifetime supply.
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Verified Purchase
Dual Lock is THE best product for fastening just about anything. I'm convinced that you could fasten your buddy to a wall with this sutff!
I've used it for years for just about everything that needs to be fastened. Typical 3M: awesome.
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Vine Customer Review of Free Product ( What's this? )
Works amazingly well. As long as the surface is thoroughly cleaned and the adhesive allowed to set, it will remain attached to most surfaces for a very long time. So strong, that it does make me wonder about the damage done to walls in trying to remove it, thus think twice about where its placed. The velcro like (though no hook and loop sides) fastener also connects extremely well providing a very secure bond that can be attached and unattached 1000 times - according to 3M. This really is an industrial type fastener, perhaps less suited for internal home use out of concern about damage when removing. Would be very handy in a workshop environment.

For the correct usage, this 3M product can’t be beat.
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Vine Customer Review of Free Product ( What's this? )
This is not standard velcro most people would think of. This is a very heavy duty product well suited to major, heavy duty applications. This product would be suited to outdoor applications in which typical velcro would be useful, but not strong enough such as anchoring tent flaps, outdoor screens, etc... The one issue is that the adhesvive backside is white. If used on glass, it shows through and looks odder than black side.
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