Nail-in anchors are fasteners used for various construction and household applications. They are categorized as a type of anchor bolt. A regular nail-in anchor consists of two parts: an anchor body and a drive pin. The anchor is installed as the drive pin is hammered and the body is then seated in the material.
Nail-in anchors provide reliable stability when fastening structural and decorative elements. Most commonly, they're used to install shelves, mirrors, heavy frames, and similar objects, as they are capable of supporting more weight than a standard screw or nail.
Nail-in anchors are meant to be permanent. Once inserted into the wall, they are not easily loosened or removed. This is a direct result of the anchor’s structure, which is designed to 'bite' into the wall. Without the pin component, the anchor would fail to provide stability and easily rotate or shift even after installation.
These fasteners are available in a variety of types, which are usually denoted by their head style. They are also made in various industrial materials, including stainless steel, carbon steel, and zinc plate. Stainless steel and zinc plate nail-in anchors are a reliable option when there is some potential for corrosion, as they will resist rusting in most settings.
Regular nail-in anchor varieties include flat head nail-in anchors, mushroom head nail-in anchors, and round head nail-in anchors. The head style of these anchors is an important consideration, as this will determine their profile following installation. They are all designed to work in masonry or cement and are considered heavy-duty fasteners.
Nail-in anchors are readily available from most hardware suppliers. When they are needed in large quantities for a construction job or larger building project, it is more economical to purchase them directly from a fastener distributor or manufacturer. Such providers can satisfy a range of requirements in terms of size and material. Key measurements when sourcing nail in anchors are the length and diameter. It’s important to determine these specifics to gain the best possible results from the installation.
To install nail-in anchors, a pre-drilled hole is required. This hole should be comparable to the anchor’s length and diameter. The anchor can then be inserted. A hammer is used to tap in the pin, which then permanently fixes the anchor in place.
Nail-in anchors are meant to be installed permanently and cannot be easily removed without making changes to the surface of the installation material. If the anchor cannot be cut out, the pin can be pried off or the head can be cut or ground down to leave a flush surface. A fresh layer of patching material can then be applied to cover any remaining portion of the original installation.
A molly bolt, sometimes called a moly bolt, is an anchor bolt-like screw fastener that can be used to attach objects to lightweight building media, such as plaster or gypsum. They are somewhat similar to nail-in anchors based on the expansion action that occurs once a screw is tightened into the bolt, enabling the fastener to securely grip the wall. They can be used for medium-weight decorative and structural elements, such as small shelves, frames, plaques, and various wall hangings.
There are a number of factors that determine the most appropriate fastener for anchoring a TV to drywall or sheetrock. Typically, flat-screen TVs require wall mount TV brackets, which are recommended for use with wall studs. If no wall studs are available, a hollow wall anchor or toggle fastener can serve as a solution. Lag bolts are also sometimes used for mounting TV brackets directly to drywall. When mounting a TV to a bracket or wall, it’s important to carefully follow all instructions indicated in the product’s guide or consult a professional.