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What is a Fastener in Construction: A Comprehensive Overview

In the construction industry, fasteners play a crucial role in securely joining different materials together. Whether you're a professional builder or a DIY enthusiast, understanding what fasteners are and how they work is essential. This article aims to provide a simple and easy-to-understand review of fasteners in construction, highlighting their benefits and suitable applications.

I. What are Fasteners?

  1. Definition: Fasteners are devices used to connect or join two or more materials in construction projects.
  2. Common types: Nails, screws, bolts, nuts, washers, anchors, and rivets.
  3. Materials: Fasteners are typically made of steel, stainless steel, aluminum, or brass.

II. Benefits of Fasteners in Construction:

  1. Strength and Stability:

    • Fasteners ensure a strong, secure, and stable connection between materials, increasing the overall structural integrity.
    • They help withstand various forces like tension, shear, and compression, ensuring the longevity of the construction.
  2. Versatility:

    • Fasteners come in a wide range of types, sizes, and materials, allowing for flexibility in different construction applications.
    • They can be used with various materials like wood, metal

Different Types of Fasteners. Mechanical fasteners come in many forms, including screws, nails, nuts, bolts, washers, anchors and rivets. Each of these different types of fasteners is a category unto itself, with many types to choose from.

What is the purpose of a fastener?

Fasteners are used to mechanically join two or more objects together, either permanently or non-permanently. There are many different types of fastener, each with their own purpose.

What do fasteners look like?

Fasteners often come in the form of screws, nuts, bolts or similar small objects. Fasteners can be threaded or non-threaded.

What is the difference between a screw and a fastener?

The main physical distinction between screws and bolts is that screws or entirely full of threads. While bolts contain Shanks without threads. However a better interpretation of the differences.

How do I identify a fastener?

Fasteners are identified by four or five attributes; Type, Material, Diameter, Length, and Thread Pitch or Count (machine thread fasteners only).

What material is used for bolts?

Typically, screws and bolts are made from steel due to its strength and relatively inexpensive cost. However, screws and fasteners can also be produced from stainless steel, brass, titanium, and a wide range of other metals depending on the intended application.

What holds a bolt in place?

Bolts are typically used with nuts and sometimes a washer to create a long-lasting but temporary fastening that can be uninstalled as required. The tightening of the nut on the bolt creates friction and holds the fastener in place by creating a clamp load.

Frequently Asked Questions

What materials are used for nut and bolts?

Common Bolt Materials

Bolts and nuts are fabricated from a variety of materials. These options include metals and polymers. Stainless steel offers strength and corrosion resistance. While polymer options have less strength than stainless, they are a good choice for resisting chemicals.

What is the most common fastener used?

Threaded fasteners are one of the most common fastener types, used in all projects across all industries. Threaded fasteners include components such as bolts, screws and studs. Bolts are typically used with nuts and sometimes a washer to create a long-lasting but temporary fastening that can be uninstalled as required.

What is the shape of a construction nail?

Common nails are used for general construction and specifically for framing and other structural work. They have a thick shank, a wide head, and a diamond-shaped point.

What is the difference between a flat washer and a fender washer?

Fender washers are round washers that provide a greater load-bearing surface under the fastener, preventing pullthrough. Like dock washers, their inner hole has a much smaller diameter than their total surface area. Flat washers are round, thin plates with a center holes punched to the size of the fastener.

What is a furring strip of wood?

In construction, furring strips are thin strips of wood or other material to level or raise surfaces of another material to prevent dampness, to make space for insulation, or to level and resurface ceilings or walls.

Is furring strip board strong?

These durable, narrow strips are made either from wood (such as southern yellow pine, spruce, or fir) or metal to ensure the structural integrity of a home improvement project. Pressure-treated lumber is even more durable.

What sizes do furring strips come in?

Wood furring strips typically measure 1 x 2 or 1 x 3 inches. They can be laid out perpendicular to studs or joists and nailed to them, or set vertically against an existing wall surface. The spacing between the strips depends on the type of finishing material.

What is the actual size of a 2x2 furring strip?

1.375 in. x 1.37 in

Furring Strip Board (Common: 2 in. x 2 in. x 8 ft.; Actual: 1.375 in. x 1.37 in.


What is the main purpose of installing a furring strip?

In construction, furring strips are thin strips of wood or other material to level or raise surfaces of another material to prevent dampness, to make space for insulation, or to level and resurface ceilings or walls.

What are the fasteners in wood construction?

Nails. Nailing is traditionally the most common way to connect wood in buildings. There are all sorts of different nail types and grades. Screwing has increased in recent years, and is used today to fit sheet material and in load-bearing structures.

What is the most commonly used type of fastener?

Screw fasteners

Screw fasteners are the most commonly used type of fasteners. They are highly versatile and durable. These socket screws have to fix eroded internal threads spanning across their whole length and their heads come in various shapes. Screws require internal threads in objects for holding them together.

What are some common types of fasteners used in construction?
Now let's take a closer look at each of these.
  • Screws. Screws are among the most versatile fasteners in the construction industry.
  • Nails. Nail fasteners are used in general construction applications.
  • Bolts, Nuts & Washers. Bolts and nuts are common fasteners in the construction industry.
  • Anchors.
  • Threaded Rods & Studs.
What type of fasteners are generally used for wood framing?

The types of connectors that are traditionally used when building wooden structures or frames can be divided into two broad categories: dowel-type fasteners and shear connectors. These two categories differ in the way they distribute the load. Dowel-type fasteners such as bolts, lag bolts, nails, screws, studs, etc.

Why are nails the most common fastener type used in wood construction?

Nails are a favorite for large jobs in construction because they're cheaper than screws and offer shear strength — or the ability to withstand shear pressure, where two surfaces slide past each other.

What are structural bolts used for?

High strength bolts or structural bolts are made to be used with heavy hex nuts to connect structural members. To be considered a structural connection, it has to conform to specific ASTM standards; specifically, ASTM A563 or ASTM A194. Structural bolts are also categorized by grades.

What is a fastener in construction

What are bolts best used for?

They provide a secure grip thanks to their threads and they meet the needs of numerous do-it-yourself (DIY) projects. They come in a variety of sizes and types for wood, metal, drywall and even concrete applications. Bolts provide the best holding strength compared to screws and other fasteners.

What can bolts be used for?

A bolt is a type of fastener, that is normally used together with a nut for assembling two unthreaded components. The ease to use made them suited to play an important role in the development of mass-produced articles and steel structures.

What are the advantages of using bolts?

Simple to Install and Uninstall

Their design makes them easy to assemble and disassemble, with little to no effort. Due to their strength, these types of fasteners can hold high loads. In the event that they become loose over time, tightening them can return them to their original strength.

What is the most commonly used structural bolt? ASTM F3125 Grade A325 bolts and A490 bolts are two of the main types of structural bolts we sell, and they are the two you will most often see on a jobsite. The difference in grades A325 and A490 may seem simple. A490 is stronger than A325. That said, plenty of projects call for A325 bolts.

What companies use lug bolts?

Whether it's a UK made Ford Transit, a VAG vehicle, a French made Renault or Citroën, a Swedish Volvo, Saab, or a British made Jaguar. They ALL use lug bolts.

Who uses fasteners?

Fasteners are a necessary component in industrial machinery, providing strength, stability and reliability to ensure that parts are held together correctly. From helmets to cars, industrial fasteners are required for a range of applications and industries, including manufacturing, automotive and aerospace.

What are construction bolts used for?

In general, construction bolts are used to create joints between structural elements or to install them into a surface or material. In some cases, bolts are meant to be a permanent part of a structure, meaning that once they are installed they cannot be shifted and require no further maintenance or replacement.

  • What are lug bolts used for?
    • Lug nuts fasten a wheel's hub to threaded wheel studs on the vehicle's axle, securing the wheel in place and centering it properly on the axle. The lug is placed onto the wheel stud atop the wheel, with the lug's seat in contact with the hub.

  • What vehicles use lug bolts?
    • A set of lug nuts is typically used to secure a wheel to threaded wheel studs and thereby to a vehicle's axles. Some designs (Audi, BMW, Mercedes-Benz, Saab, Volkswagen) use lug bolts or wheel bolts instead of nuts, which screw into a tapped (threaded) hole in the wheel's hub or brake drum or brake disc.

  • What are considered fixings?
    • Fixings are extra items that are used to decorate or complete something, especially a meal.

  • What are the examples of fixings?
    • Nails, staples, wood screws, coach screws, bolts are all variants of dowel fasteners. The Timber Research and Development Association (TRADA) point out that all of them may be used for laterally loaded connections, but for axially loaded connections, only nails, screws and bolts are normally used.

  • What does fixing mean in construction?
    • Fixing stage is where all the internal cladding (such as plaster), cabinetry, insulation, doors, skirtings, architraves, and waterproofing for wet areas and tiling is all installed. This is also when things really start taking shape, and you can see it all coming together.

  • What are metal fixings?
    • Metal fixings. Fixings. Nuts & Bolts - are used to join a wide range of materials. Thread sizes are usually metric and range from M3 to M12 in school workshops. A bolt can be used without a nut if an internal thread is cut into the material with a tap.

  • Why is it called fixings?
    • Fixings (n.)

      "apparatus," 1820, American English, from fixing "act of putting in order" (c. 1600), verbal noun from fix (v.). American English sense of "food, garnishing" is attested from 1839.

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