• Anchor Bolt 1
  • Anchor Bolt 2
  • Anchor Bolt 3
  • Anchor Bolt 4
  • Anchor Bolt 5
  • Anchor Bolt 1
  • Anchor Bolt 2
  • Anchor Bolt 3
  • Anchor Bolt 4
  • Anchor Bolt 5

Anchor Bolt

There are various types of anchor bolts, including:

L-bolts: These have an L-shaped bend at one end and are embedded in the concrete or masonry during construction. They are commonly used for attaching structural components such as columns or beams to the foundation.

J-bolts: These have a J-shaped bend at one end and are used for securing objects to concrete surfaces. They are often used in applications such as attaching machinery or equipment to a concrete floor.

Wedge anchors: These are expansion anchors that are inserted into pre-drilled holes in concrete. They expand when the nut is tightened, creating a secure and reliable connection.

JBolt and LBolt are two main types of Anchor Bolt that GMP manufactures. They are most applied to attach sill plates to masonry foundations and provide anchorage for lightweight post bases. These Bolts are positioned vertically in wet concrete with the bottom of the L-shape or J-shape facing downward leaving the threads of the LBolt or JBolt in an exposed position. As with all metal-to-metal connections, be sure to use like metal for your L-Shaped or J-Bolt Anchors.

Anchor Thread Size Anchor Length
3/8” 6in , 8in
1/2” 6in , 8in , 10in , 14in , 18in
5/8” 10in , 12 in , 18 in
3/4” 12in , 16in , 18in , 24in
1” 18in , 30in
1-1/4” 42in
5” 1-1/4in
6” 1-1/4in
8” 1-1/4in
Usage of Anchor Bolt

Applications of Anchor Bolts

Anchor bolts have a wide range of applications in various industries and construction projects, which are designed to secure structural elements to concrete. Anchor Bolts are typically used to attach steel to concrete. And its one end is embedded inthe concrete, while the other end has threads to connect the structural support.

Anchor Bolt can be used but not limited to the following industries:

  • Industrial and warehouse applications: Anchor bolts are commonly used in industrial facilities and warehouses to secure racks, shelving units, or heavy equipment to the concrete floor. This ensures stability, safety, and efficient utilization of space.
  • Electrical and mechanical systems: Anchor bolts are used in electrical installations, such as securing electrical panels, switchgear, or conduits to concrete walls or floors. They are also employed in mechanical systems to anchor HVAC equipment, piping, or ductwork to concrete foundations.
  • Residential applications: Anchor bolts are used in residential construction for securing sill plates, hold-downs, or shear walls to the foundation. They provide stability and resist uplift forces during high winds or earthquakes.
  • Outdoor structures: Anchor bolts are employed in outdoor structures like fences, gates, light poles, or signage. They provide a secure attachment to the ground, ensuring stability and preventing movement due to wind or other environmental factors.

Benefits of Anchor Bolts

Anchor bolts provide a strong and durable solution for connecting structural and non-structural elements to concrete materials. Concrete foundation bolts are available in several different styles and size configurations to suit a variety of applications.

  • Load distribution: Anchor Bolt helps distribute the load evenly, reducing stress concentrations and preventing localized failures. This is especially important in applications where heavy loads or dynamic forces are present, ensuring the integrity and longevity of the structure.
  • Versatility: Anchor Bolts are versatile and can be used in various construction applications. They are commonly employed in securing structural steel columns, beams, and other components to concrete foundations. L-bolts are also suitable for attaching equipment, machinery, or framing elements to concrete or masonry surfaces.
  • Adjustable placement: Anchor Bolts offer flexibility in placement. The threaded end of the bolt allows for adjustability during installation, making it easier to align and position the component being anchored. This adjustability enables precise placement and ensures a proper fit, especially when dealing with irregularities in the foundation or variations in component dimensions.

In summary, JBolts with special bend neck type work well embedded in concrete. The bent portion of the anchor bolt creates resistance so the bolt stays put when force is applied. So JBolts are often used to secure wall to concrete. And these round J hook bolts typically hook around rebar or another secring piece inside the concrete wall dependng on which plan engineer draws up. LBolts secure the sill plate to the masonry foundation and can provide anchorage for lightweight post foundations. And the L-shaped  foundation bolts should be installed in wet concreete with exposed threads.

Benefits of Anchor Bolt

Some Informations of Anchor Bolt

In addition to LBolt and JBolt, there are other kinds of Anchor Bolt

  • Mechanical Expansion Anchors
  • Undercut Anchors
  • Bonded Anchors
  • Screw Anchors
  • Plastic Anchors
  • Powder-actiated Anchors

What Are Anchor Bolts

Anchor bolts, a fundamental fixture in construction, highway systems, electrical towers, power stations, and marine sectors, are indispensable for anchoring large elements securely to a solid base, safeguarding against structural breakdowns or damages. These bolts, integral in settings like bridges, tunnels, and vast buildings, ensure a stable linkage between foundations and walls, enhancing earthquake resilience. Known also as cast-in-place bolts, these robust fixtures are embedded into wet concrete. Once the concrete solidifies, the bolt’s threaded end connects to a component, anchoring it to withstand external forces. Their reliability stems from providing steadfast fastening with minimal error. Although embedding these bolts in wet concrete can be challenging, the end result is a secure and tension-resistant fastener.

What is the type of Anchor Bolt

The utilization of anchor bolts diverges across different scenarios. Key types include swedge anchor bolts, headed anchor bolts, L-shaped anchor bolts, and double-end rods with plate anchor bolts. Each type is distinct in its advantages, suitable for specific implementation scenarios. When selecting an anchor bolt for a project, it’s crucial to determine its suitability for the task at hand.

L-Shaped Anchor Bolts

Also referred to as masonry anchors or foundation bolts, these vary in size, shape, and material, designed to suit different applications. They feature a threaded end for enhanced load-bearing capacity, compatible with a hex nut and flat washer. L-shaped anchor bolts are a go-to in various structural, masonry, and concrete contexts.

Applications include:

  • Supporting beams, ledges, and plates in buildings.
  • Balancing signage and other structures on masonry or concrete.
  • Embedding in walls for steel plate and beam support.

Double-End Rods with Plate Anchor Bolts

Known also as anchor rods or threaded studs, these include a plate washer at one end, often welded or tack-welded to a nut within the concrete. Predominantly, they are employed to anchor structures to their foundations.

Common applications:

  • Anchoring traffic signal poles.
  • Stabilizing large structures.
  • Building support columns.

Headed Anchor Bolts

Distinct from other types, headed anchor bolts have a non-threaded end with a square or heavy hex head. Embedded into foundations, they are primarily used for permanent installations, requiring minimal maintenance post-installation.

Typical uses include:

  • Securing steel columns.
  • Attaching bridge rails.
  • Affixing light poles.

Swedge Anchor Bolts

Regarded as exceptionally strong, swedge anchor bolts are made of steel bars, threaded on one side and swedged on the other. The swedge end, with multiple indentations, enhances concrete grip and pull-out resistance. These indentations, added through pressing, are critical to the bolt’s integrity. Swedge anchor bolts come in various materials and are classified as domestic.

Typical applications:

  • Connecting piers and girders.
  • Strengthening highway infrastructure.
  • Supporting Department of Transport projects.

Selecting the Right Anchor Bolt

Choosing the ideal anchor bolt involves considering factors like hole size for fixtures and bolt length. Key considerations include fastener length, hole size, concrete thickness, weight of fastening, structural integrity, concrete PSI, anchor bolt positioning, and professional advice.

Construction Fasteners and Tools: Your Go-To Resource

For any construction project, the right tools and equipment are pivotal. Construction Fasteners and Tools provides an extensive range of tools and equipment in Canada, catering to both professional contractors and home renovation enthusiasts. Explore our selection online and benefit from contractor-approved products. For more guidance, our expert team is ready to assist you in selecting the most suitable anchor bolt for your project.

Anchor Bolt Manufacturer

As an Anchor Bolt manufacturer, we understand the diverse types of anchor bolts tailored for specific applications. Common varieties include bent rods, hook bolts or J bolts, sleeve bolts, and swaged bolts. Wedge anchors, another popular choice, utilize a wedge-shaped end and a fastening sleeve for a secure embedment in concrete. These must be deeply embedded to prevent displacement under high force. For superficial installations, machine screw anchor bolts are more suitable. Selecting the ideal bolt type depends on factors like corrosion resistance, strength capacity, and the environmental context of the application.

Materials like steel and carbon are favored in bolt fabrication due to their durability and robust characteristics. Stainless steel bolts, resistant to corrosion, retain their integrity even under high temperatures and in harsh environments. Galvanization of industrial bolts further enhances their material strength. The diameter of a bolt correlates with the need for increased strength and resistance, making anchor bolts apt for high-demand and high-stress applications, as they can endure the tension exerted by the holding system.

Gulian, a distinguished Anchor Bolt manufacturer, can produce any size of anchor bolt necessary for your project. This includes related items like anchor cages and barrier pins. The dimensions of these anchor bolts, including thread length and overall length, can range from as small as 4 inches to over 39 inches. A typical size for commonly used anchor bolts is 5/8 inch in diameter and 12 inches in length. Engineering specifications play a crucial role in determining the appropriate size of anchor bolts for each project.

In the toolbox of those working with concrete, smaller anchor bolts like wedge anchors and drop-in anchors are essentials. Anchor bolts, although versatile across various building materials, are particularly indispensable in concrete structures for effective anchoring.

Among the prevalent types is the L-shaped hook anchor bolt, also recognized as a 90-degree anchor bolt. This bolt features a bend or hook at one end to combat pull forces and securely connect two components. The hook, bending towards the unthreaded end, serves as a pivotal tool in concrete fixing, available in various tensile strengths.

Installing an L-shaped anchor bolt typically occurs during or before concrete pouring, such as in foundation work. The bolt’s threaded end attaches to a framing plate, secured by a nut. The angle of the bolt ensures resistance, maintaining the concrete slab’s position even if the nut is removed or the framing plate shifts.

For any requirement, from a single anchor bolt to a truckload, Gulian offers an extensive selection.

Why Choose Gulian for Anchor Bolts?

Gulian has been fulfilling North America’s industrial fastener needs. Our commitment to producing high-quality parts at competitive prices has positioned us as an industry leader.

Headquartered in Hangzhou,Zhejiang,China, we are equipped to ship globally. Our industrial projects often include supplying anchor bolts and stud bolts. As an ISO certified fastener manufacturer , innovation is integral to our operations. This has led to several national awards for innovation and excellence.

The Information of Mechanical Anchors

Mechanical Anchors can be furtherly divided into two categories based on the force-transfer mechanism: Torque Controlled and Displacement Controlled.

Torqued Controlled: It also called Wedge Type.

Displacement Controlled: It ususlly consist of an expansion sleeve and a conical expansion plug.


The Usage of Anchor Bolt

Anchor Bolt is a connection between structural memebers which can be represented by the connection of a steel column to a reinforced concrete foundation. It is a frequent case where nonstructural elements are connected to the structural members is the attachment of exterior wall systems to reinforced concrete walls.

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