Types Of Concrete Anchor Bolts

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Anchor bolts have become an essential tool for construction and industrial applications alike because of their strength and durability when installed properly. Whether you’re looking for something that will provide maximum holding power in solid concrete or something that offers more flexibility when installed into masonry materials like brick or stone—anchor bolts offer the perfect solution! With their versatile nature and ability to withstand harsh conditions over long periods of time, anchor bolts will ensure your project remains secure no matter what comes it’s way!

Types of Anchor Bolts

Anchor bolts are categorized into two types. These types are cast-in-place anchor bolts and drop-in anchor bolts. Each type of bolt is effective depending on the application.

Cast-in-Place Anchor Bolts

Cast-in-place anchor bolts are cast directly into wet concrete. Once the concrete cures and hardens, the bolt becomes fully secured. This is the simplest yet strongest type of anchor bolt you can use.

Post Installed Anchor Bolts

Post Installed anchor bolts are installed into the concrete after the concrete has been poured and hardened. In order to install a post-installed anchor bolt, a hole must be drilled into the concrete to the accurate depth.

1. Wedge Anchor Bolts

Wedge anchors are a unique type of concrete anchors, designed to anchor objects into concrete applications. Concrete Wedge Anchors are installed into a pre-drilled hole using the appropriate Concrete Drill Bit, where the wedge is expanded by tightening the nut. Once installed, wedge anchors are not removable after the anchor has expanded. Wedge Anchors are also called by other names such as stud anchors, concrete stud anchors, concrete bolts and wedge bolts. Wedge anchors are a non-bottom bearing anchor for use in solid concrete or grout-filled concrete. They come in an variety of diameters and lengths, with material options including Zinc Wedge Anchors and two types of Stainless Steel Wedge Anchors - Type 304 Stainless Steel Wedge Anchors and Type 316 Stainless Steel Wedge Anchors. We currently supply ITW Red Head Wedge Anchors and Simpson Strong-Tie Wedge Anchors. Most concrete wedge anchors are ready to ship within 24 hours, and usually the same day.

Zinc-Plated Steel - These are concrete wedge anchors for interior applications and carry a low level of corrosion resistance.

Type 304 Stainless Steel - These are stainless steel wedge anchors for exterior applications and carry a high level of corrosion resistance.

Type 316 Stainless Steel - These are the best option for corrosion-resistant wedge anchors and are used for exterior or interior applications.

2. Drop-in Anchor Bolts

Drop-in anchor bolts feature a pretty simple design. This type of bolt is a female anchor that is placed in a pre-drilled hole in the concrete. The expander plug at the base of the anchor is set by using a setting tool. The setting tool is a steel rod with one end necked down. The necked-down portion of the tool is inserted into the drop-in anchor. It is designed to be tapped with a hammer until the lip of the anchor meets the lip of the setting tool.

3. L Bolts and J Bolts

When the mechanical parts are installed on the concrete foundation, the J and L ends of the bolt are buried in the concrete for use. The tensile capacity of the anchor bolt is the tensile capacity of the round steel itself, and its size is equal to the cross-sectional area multiplied by the allowable stress value at the time of design (Q235B: 140MPa, 16Mn or Q345: 170MPA).

4. Sleeve Anchor Bolts

Concrete sleeve anchor bolts are threaded bolts enveloped by an expander sleeve at the top end. The other end of the bolt has a nut and washer. This type of male anchor bolt is threaded through the fixture and into a pre-drilled hole in the concrete. When you turn the nut on the bolt, the bolt is pulled through the sleeve.

5. Strike Anchor Bolts

Strike anchor bolts, also known as hammer drive anchors or hammer drive pin anchors are commonly used to attach lightweight fixtures to solid concrete. This may include shelf brackets, conduits, and electrical boxes. This male anchor bolt is an impact expansion fastener that consists of a tubular body with a drive pin that extends from the tubular casing.

Once you insert the anchor bolt into the pre-drilled hole in the concrete, the head of the pin is driven further into the tube by striking it with a hammer. This expands the tube and creates a strong hold in the concrete. Strike anchor bolts are generally not removable after they have been installed into the concrete.

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