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June 18, 2021

Professional Tool Reviews for Pros


Tapcon Concrete Screws Review

What makes Tapcons so popular is that you simply drill a hole and then screw them in place. There are no inserts, so the anchors themselves are the very thing that bites into concrete, brick or masonry materials and provides a very secure connection. This makes for a very simple solution to a whole host of potential issues commonly faced by both homeowners and professionals.

Tapcon Concrete Anchors Review

What makes Tapcons so popular is that you simply drill a hole using a hammer drill (if you don’t have one, see our 18V cordless hammerdrill roundup to see which we think are the best) and then drive the Tapcon concrete screws in place. There are no inserts, so the anchors themselves are the very thing that bites into concrete, brick, stone, or masonry materials and provides a very secure connection. Tapcon concrete screws make for a very simple solution to a whole host of potential issues commonly faced by both homeowners and professionals. If you’re drilling a lot of holes, you may want to invest in a rotary hammer vs a hammerdrill to get better performance and faster drilling. The actual Tapcon concrete screws and anchors themselves are typically blue and the thread pattern is an alternating design that is made to draw the thread in and allow it to have an extremely strong hold.


Tapcon Concrete Screws – Sizes and Options

Tapcons are available in various lengths in both 3/16″ and 1/4″ diameters. They are also available as either hex washer heads or Philips flat heads. You can purchase them in small, medium, or large clamshell cases.

Diameter

Length

Drill bit size

3/16″

1-1/4″

5/32″ x 3-1/2″

3/16″

1-3/4″

5/32″ x 3-1/2″

3/16″

2-1/4″

5/32″ x 4-1/2″

3/16″

2-3/4″

5/32″ x 4-1/2″

1/4″

1-1/4″

3/16″ x 3-1/2″

1/4″

1-3/4″

3/16″ x 3-1/2″

1/4″

2-1/4″

3/16″ x 4-1/2″

1/4″

2-3/4″

3/16″ x 4-1/2″

1/4″

3-3/4″

3/16″ x 5-1/2″

Tapcon Concrete AnchorsThere are actually several styles of Tapcon. The 410 Stainless Steel Tapcon provides the ease of use and performance of a typical Tapcon, but with the 410 stainless steel composition. These are most commonly used on exposed areas like exterior shutters, screened enclosures, and decorative railing. The Tapcon SG (Storm Guard) is a modified design that is meant to be permanently attached and used to anchor metal or plywood panels to wood, block or concrete. The Tapcon XL series is an oversized 5/16″ diameter anchor used for jobs which require additional strength.


We’ve used the standard blue Tapcons for years, but thought it would be good to take a closer look at what makes them so unique and demonstrate just how well they do in a pinch. What was our “pinch?” A plumbing leak that required we mount a replacement spigot to a block wall. To do this, we’d need something that could anchor a piece of pressure treated (PT) lumber to the wall securely so that the new spigot would never torque or twist under use. Taking into consideration the 1×4 material we were using for our backing material, we grabbed a small box of 1/4″ x 2-1/4″ Tapcons for the job. With the 1/4″ Tapcons, they recommend a 3/16″ Tapcon drill bit. You can use that or a 3/16″ concrete hammer drill bit – which is what we utilized.

Installing TapconsUsing a DeWalt hammer drill, we made quick work of the four holes, which we drilled to a surface depth of 1-3/4″. This gave us enough depth for the Tapcon to mount flush into the piece of pressure treated wood and also sink a full 1-1/2″ into the concrete with an additional 1/4″ (as recommended) air gap after the end of the anchor. Once the holes were drilled out, we mounted our material and used a 9.6V DeWalt cordless drill gun to sink the Tapcons. Even with such a relatively low powered drill we were able to sink them without any difficulty. The Tapcon anchors simply bit into the wall and pulled themselves and the pressure treated wood snug against the cinderblock, letting us know that a secure and stable connection had been made.

Conclusion

There is a lot of competition in the marketplace for Tapcon-type fasteners. You’ll see similar products marketed under the names of RuffNex, Kwik-Con, Caliburn (GRK Fasteners), and others. The basic thing you’ll want to look for is the material the fastener is made of, what kind of bit is used to drive it, and the pullout value (how securely it is rated to stay fastened). If you shop around, you can find Tapcons for $0.10/ea in quantity – far less than what you’ll find in your local home improvement store. If you’re planning a larger job or you intend to make frequent use of these anchors, be sure to buy them at the lowest cost possible.

Tapcon anchors are certainly one of the more popular (ie. well-marketed) products you can purchase, despite their premium cost. They are also a very unique (and of course proprietary) product that allows for extremely fast and reliable anchoring of materials to masonry products. If you drill the hole correctly – deep enough and with the correct diameter bit – these fasteners will simply work every time.

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Bob Geiger

Can I remove tapcon and reuse the hole again or will this make weaker contact.

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