What are the best screws for concrete?

For that reason, the best concrete screws are either stainless steel, galvanized, or zinc coated. Many are simply coated with a corrosion-resistant layer, which is usually blue. These materials do better in damp conditions and resist the moisture present in concrete surfaces.

What kind of screws will go into concrete?

Self-drilling screws are basically concrete screws that tap threads into concrete and are the only kind of screws that are strong enough to penetrate concrete. They come in different lengths, and you'll want to have various sizes on hand.

How long should screws be for concrete?

Home centers and hardware stores stock concrete screws in two diameters, 3/16 in. and 1/4 in. The 3/16-in. diameter screws are plenty strong for most home tasks like installing furring strips, screwing down walls to concrete floors, and attaching hardware to block or brick.

What are the strongest concrete anchors?

Wedge Anchors are extremely popular and are one of the strongest anchors for hold strength. Wedge anchors look and function like a sleeve anchor but have a much smaller sleeve near the bottom of the anchor.

Are Tapcon screws better than anchors?

Tapcon and wedge anchors are pre-installed mechanical anchors that attach structural objects to concrete structures. However, the wedge anchor suits heavier-duty applications, vs the Tapcon anchor that typically serve lighter deployments. Another difference between them is in their fastening method.

Best Fasteners To Use For Concrete And Brick

What is the difference between a concrete fastener and a concrete anchor?

A concrete fastener of any type only holds as well as the base material in which it has been fastened. In most cases, the base material gives out, not the anchor itself. When properly set, the concrete fastener pulled to the ultimate load capacity of the anchor will pull out the base material adhered to the anchor.

How do you screw into concrete without a hammer drill?

Can you use self-tapping screws in concrete?

Self-tapping screws are concrete screws that tap threads into the base material such as concrete, brick or block. A hole must first be drilled into the base material and, as the concrete screw is inserted into the hole, the threads are tapped. There are many brand names of concrete screws on the market today.

Do concrete screws need a pilot hole?

Unlike self-drilling screws which do not need pilot holes due to their drill bit end, self-tapping screws like concrete screws do require the user to mark a spot for the pilot hole.

Why are Tapcon screws blue?

Tapcon+ unmatched performance in concrete, block and brick applications make them an excellent alternative to expansion anchors, plugs, lag shields and have a blue corrosion resistant coating that enables them to withstand the harshest conditions.

Do you need a hammer drill for Tapcon screws?

The hole must be drilled using a hammer drill with a carbide tipped bit meeting ANSI standards. A bit that meets ANSI standards will ensure that the hole diameter will meet the requirements of the Tapcon®.

How do you drill into concrete without cracking it?

Drill forward with steady, light pressure; do not force the drill. Drill the guide hole to a depth of 1/8- to ¼-inch. Stop the drill, sweep or blow away the accumulated concrete dust and pull out the drill. Blow away dust that accumulated in the guide hole.

Are there self tapping masonry screws?

Types of Self-Tapping Screws

Masonry screws are manufactured from carbon steel that has a blue coating or from a 410 stainless steel which also has a protective coating. The standard blue coated masonry screw is for use in indoor applications where moisture is not present.

Should I use water when drilling concrete?

Though you don't need to water down the concrete, the water will help to collect and remove the drilling dust, which can be hazardous to your health and "clog" the drill bit. The water can also help to keep your bit from overheating, which in turn helps keep the bit from shattering.

What is a masonry screw?

Masonry screws are a self-tapping screw that can be used in a variety of base materials that include: concrete, brick, mortar joints/block and CMU. They are manufactured out of stainless or carbon steel and come with or without a corrosion coating.

Why are Tapcon screws breaking?

The dust can build up and create a situation where the screw is unable to be fully inserted in the hole and if too much torque is applied, the Tapcon® screw may break of shear off.

Will Tapcon screws crack concrete?

If a tapcon does break, it usually occurs within about 1/2” prior to full installation. Many generic concrete screws may have this breaking problem due to the inferior steel and manufacturing process.

How long should Tapcon screws be?

The maximum length would be 1-1/2" + 1-3/4"= 3-1/4", the maximum length of screw that can be used. The proper length could be either the 2-3/4" or the 3-1/4" length concrete screw. The 3-1/4" screw would be right at maximum embedment and depending on the abrasiveness of the base material, may be too long.

Can stainless steel screws be used in concrete?

Unlike expansion anchors, screw anchors require the leading threads to cut into predrilled holes. This can be easily achieved with hardened carbon-steel cutting threads. Stainless steel is not hard enough to cut into concrete.

What is the best way to anchor into concrete?

Drill a pilot hole at the proper location with a hammer drill and masonry bit to the depth your screw will penetrate. Tap the plastic anchor into the hole. It should fit snugly but drive in easily with a hammer. If the hole gets a bit large, use a bigger screw to push the plastic against the walls of the hole.

Can zinc screws be used in concrete?

Indoor: The standard zinc plated concrete anchor will work well in outdoor applications in a dry environment which is not caustic. If the indoor environment has chemicals or other considerations, then the stainless steel or hot-dipped galvanized anchors should be used.