Mechanical anchors are mostly used to fasten elements to the main structural concrete such as beams, columns and slabs. Post-installed mechanical metal fasteners are placed into pre-drilled holes in the concrete and anchored therein by mechanical means such as friction or mechanical interlock.
Full Answer
What are the different types of mechanical anchors?
Mechanical Anchors Heavy Duty Expansion Anchors R-SPL Safety Plus Shield Anchors R-RBL Rawlbolt Throughbolts Throughbolts Option 1 Throughbolts Option 7 Internally Threaded Anchors R-DCA/DCL Wedge anchors Screw Anchors R-LX Concrete Screw Anchors Mechanical Anchors Accessories Mechanical Anchors Accessories Lightweight Fixings Frame Fixings
What are the different types of expansion anchors?
Heavy Duty Expansion Anchors Shield Anchors Throughbolts Internally Threaded Anchors Screw Anchors Mechanical Anchors Accessories Mechanical Anchors Rawlplug Invented first metal mechanical expansion anchor - Rawlbolt in 1934.
What are strong-tie® mechanical anchors?
Simpson Strong-Tie ® mechanical anchors are designed to install easily and securely into a variety of base materials, including concrete, grouted and hollow CMU, and brick.
What are nail anchors made of?
Powers Fasteners’ standard nail anchor is called the Zamac Nailin® anchor. The body of the anchor is made from a Zamac material that is rust resistant. The expansion nail is available in zinc plated carbon steel and a stainless steel. The Zamac Nailin® comes in either a mushroom head or a flat countersunk head.
What is a mechanical anchor?
Mechanical anchors are anchors that mechanically anchor themselves in the base material using friction and some type of movement within the mechanical anchor to achieve holding values.
What is the function of mechanical anchors?
Mechanical Anchors Drilled-in, or post-installed, anchors have been used since Mechanical Expansion Anchors ancient times to secure building components. Originally, a plug of wood or lead plug was carved to size and driven into a hole in the base material.
What is mechanical and chemical anchor?
And Why Use Them? Chemical anchoring is a technique for fastening to concrete and similar substrates that provides more flexibility than mechanical anchoring. A mechanical anchor, such as a sleeve anchor, Dynabolt®, wedge anchor or drop-in anchor, is inserted in the concrete and expands upon tightening.
How do you install a mechanical anchor?
1:442:53How to Install Concrete Wedge Anchors - YouTubeYouTubeStart of suggested clipEnd of suggested clipTake the wedge anchor. And place the nut on the threaded end so as to protect the threads whenMoreTake the wedge anchor. And place the nut on the threaded end so as to protect the threads when hammering it into the hole. Next place the anchor through the fixture. And into the hole tapping.
What are metal anchors used for?
“Metal anchors are stronger and are built to hold heavier items than plastic drywall anchors.” Drywall anchors are rated for weight capacity, based on the weight of an object they're used to hang, says J.B.
What is the purpose of anchor bolts?
Anchor bolts are designed to attach structural elements to concrete. In our industry, anchor bolts are typically used to attach steel to concrete. One end is embedded into the concrete, while the opposite end is threaded to attach structural support.
How long do chemical anchors last?
Hilti Verified The ETA (European technical assessment) approval of HY 270 specifies "a working life of the anchor of at least 50 years".
How strong is chemical anchor?
Polyester resin This type of chemical anchor would typically achieve 67kN pull out strength on an M12 threaded rod in solid concrete.
What is the difference between anchor bolt and expansion bolt?
As the expansion anchor bolt enters the hole, it will expand. This expansion helps to secure the anchor bolt — as well as the structural component or object to which it's connected — in place. Technically speaking, an expansion bolt is a type of post-installed anchor bolt because it's installed in a pre-drilled hole.
What is the strongest concrete anchor?
Wedge anchorsWedge anchors are typically the strongest anchors, but not every application requires a heavy-duty anchor. Some will do just fine with a plastic wall anchor or a nail-in version.
How do you anchor something to 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.
How deep should concrete anchors go?
The hole needs to be drilled 1/4" deeper than the anchor will penetrate. The hole can't be drilled while the fixture is in place due to the fact that the hole is larger than the diameter of the bolt being inserted into it.
What force do mechanical anchors use?
The anchor creates an outward force when it mechanically changes its form as it is inserted into the hole and then expanded. This creates the outward force that produces the friction that provides the holding values.
Is a wedge anchor a mechanical anchor?
Mechanical anchors are also known as sleeve anchors, wedge anchors or expansion anchors. Made from carbon steel or stainless steel, these anchors are designed to bolt or wedge down to hardened concrete or masonry elements.
What is a calk in anchor?
The Calk-In anchor is a two-piece anchor that comes pre-assembled and is used in concrete, brick or block base material. The Calk-In anchor is not recommended for use in overhead applications and comes in six diameters ranging from a #8 to 1/2”. The diameter of the Calk-In anchor refers to the bolt or threaded rod diameter that is inserted into the Calk-In anchor. All Calk-In anchors require the use of a setting tool for each diameter to ensure that the Calk-In anchor is set properly.
What is a Lok Bolt anchor?
Lok-Bolt AS™ is Powers Fasteners’ brand name for their sleeve anchor and comes pre-assembled and can be used in concrete, brick or block base material. The Lok-Bolt AS™ is a very versatile anchor available in a number of different head styles such as round or flat head and can be purchased in zinc plated carbon steel or a 304 stainless steel.
What is a power fastener?
Powers Fasteners’ standard nail anchor is called the Zamac Nailin® anchor. The body of the anchor is made from a Zamac material that is rust resistant. The expansion nail is available in zinc plated carbon steel and a stainless steel. The Zamac Nailin® comes in either a mushroom head or a flat countersunk head. It is designed as a light duty, tamper-resistant anchor for use in concrete, brick or block base material. The Zamac Nailin® should never be used in overhead applications.
What is a Zamac nail anchor?
The Zamac Hammer-Screw™ was developed as an improvement over the standard Zamac hammer drive anchor. It has a Phillips drive head pin, allowing for the pin to be unscrewed after the anchor is set. The body of the Zamac Hammer-Screw™ nail anchor is made from a rust-resistant material called Zamac and the pin is available in either carbon steel or stainless steel. The Zamac Hammer-Screw™ nail anchor is designed for use in base materials such as concrete, brick, block or stone.
What is a single shield expansion anchor?
The single shield expansion anchor comes pre-assembled and is expanded using a machine-threaded bolt. The single shield expansion shield expands when the bolt is turned clockwise and the expander cone is drawn up into the anchor body to expand the expansion shield against the base material. The Single can be used in concrete, brick, block or stone but is not recommended for use in overhead applications.
What is a mini dropin anchor?
The Mini Dropin™ anchor works under the same principals as the Steel Dropin™ utilizing a setting tool for expansion and accepting national coarse threaded bolts and threaded rod. The Mini Dropin™ design allows it to be used in applications of shallow embedment in the base material. Certain applications, such as prestressed concrete, require a maximum embedment of 3/4” is is met by the Mini Dropin™. Mini Dropin™ comes in three diameters of 1/4”, 3/8” and 1/2” and the diameter of the anchor is designated as the inside diameter or the diameter of the bolt or threaded rod that can be inserted.
What is a tapper screw?
Tapper®. Tapper® is Powers, Inc brand name for their concrete screw. They are available in a variety of plating and rust-resistant steels, such as 410 stainless steel and 304 stainless steel. The Tapper® taps threads into a pre-drilled hole in the base material.
What type of anchor is used for cracking and uncracked concrete?
Code listed for cracked and uncracked concrete, and masonry applications, the Strong-Bolt 2 wedge-type expansion anchor is an optimal choice for high performance in seismic and high-wind conditions.
What is a wedge anchor?
The Wedge-All wedge-style expansion anchor is intended for use in solid concrete or grout-filled masonry. Threaded studs are set by tightening the nut to the specified torque.
What is a steel rod hanger?
Steel rod hangers are used for applications in steel members. They are a one-piece fastening system for suspending 1/4" and 3/8" threaded rod for use in both vertical and horizontal installations.
What is a Titen HD rod coupler?
Designed for use with a single or multi-story rod tiedown system, the Titen HD rod coupler is a fast and simple way to attach threaded rod to a concrete stem wall or thickened slab footing.
What is an easy set anchor?
The Easy-Set is a pin drive expansion anchor for medium- and heavy-duty fastening applications into concrete. The integrated nut and washer helps you keep track of parts.
What is a sure wall anchor?
Sure Wall anchors are designed to self-drill into drywall and provide excellent holding value and greater capacity than screws alone.
What is ten stainless steel?
Titen stainless-steel screws attach various types of components to concrete and masonry in environments requiring a medium level of corrosion resistance. Available in hex- and Phillips-head designs.
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