Sleeve Anchor Factory

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Since 2006

UNI Hardware Co., Ltd.

Jiaxing Uni Hardware Co.,Ltd. is a factory specializing in the manufacture of screws and anchors. Meanwhile,our international trade team is dedicated to new projects,such as stainless steel fasteners,solar parts,riggings,hose clamps etc.After a long struggle,UNIFIXS become more and more famous at home and abroad. We are able to supply different markets with an annual production capacity of over 10000tons. And our products are mainly exported to over 30 countries such as Panama, Columbia, Peru, Germany, Poland, Japan, Spain, Italy, Australia, Russia and etc.

No matter what product you choose, quality is guaranteed,and it comes at a competitive price. Strict production procedure and quality controlling are carried out in every product batch by our well-equipped laboratory to make sure that only qualified products can be delivered to our customers. It's worth mentioning that our packaging team accept MOQ,we customize packaging according to customer requirements,our aim is to grow our business by expanding yours.
As China Custom Sleeve Anchors Manufacturers and Wholesale Sleeve Anchors Factory,UNIFIXS has always focused on research, development and innovation,we constantly encourages and trains team, in order to enhance its services,especially after-sales service. Welcome further more valuable comments from you,no matter if its good,so that we can go forward in the problems and improve team services. We look forward to doing business with you.

16+ Years Experience

Plant equipment

With our annual production capacity of more than 10000 tons, we can meet the needs of different customers with different purchase quantities. custom Sleeve Anchors suppliers in China.

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Industry Knowledge

The basic components and design of a sleeve anchor, including the sleeve itself, the nut, and the threads?

Sleeve anchors are a type of concrete anchor that consists of several key components, each serving a specific role in their design and function:
Sleeve: The sleeve, also known as the anchor body or outer sleeve, is a cylindrical tube made of a durable material, typically metal. The sleeve has threads on its exterior surface that grip the surrounding concrete or masonry when the anchor is installed. The sleeve is designed to expand and wedge itself into the substrate when the anchor is tightened.
Nut: The nut is a threaded fastener that is typically hexagonal (hex) in shape. It is used to secure the object or structure being anchored to the anchor. The nut is threaded onto the exposed end of the sleeve after the anchor is inserted into the pre-drilled hole. When the nut is tightened, it pulls the anchor, causing the sleeve to expand and create a secure connection within the concrete.
Threads: The threads on the exterior of the sleeve are crucial to the anchor's function. As the nut is tightened, it pulls the anchor up through the sleeve. This action causes the sleeve to expand against the walls of the pre-drilled hole, creating friction and tension that holds the anchor in place. The threads also provide additional stability and prevent the anchor from loosening or pulling out of the substrate.
The design of sleeve anchors allows them to create a secure and reliable connection within concrete or masonry. The expansion mechanism, which relies on the sleeve and threads, is the key feature that distinguishes sleeve anchors from other types of concrete anchors. This mechanism ensures that the anchor remains firmly in place, providing stability and load-bearing capacity for various applications. The specific materials used for the sleeve and nut can vary, with options including zinc-plated steel, stainless steel, and other materials chosen based on factors like corrosion resistance and load requirements.

What is the process for installing sleeve anchors?

Materials and Tools Needed:
Drill with a hammer drill function
Masonry bit (carbide-tipped) of the appropriate size for the anchor
Wrench or socket set
Safety glasses and ear protection
Dust mask (if drilling in concrete)
Installation Steps:
Select the Right Anchor: Choose the appropriate size and type of sleeve anchor for your application, considering the substrate material, load requirements, and environmental conditions.
Mark the Drilling Locations: Mark the locations where you intend to install the anchors. Use a level or plumb line to ensure accurate placement.
Drilling: Using a hammer drill with a carbide-tipped masonry bit, drill a hole into the concrete or masonry substrate. The hole should be the same diameter as the sleeve anchor and deep enough to accommodate the entire length of the anchor, plus any additional space for the nut and washer.
Clear the Hole: Remove any debris or dust from the drilled hole. A vacuum or compressed air can be helpful for this step.
Insert the Sleeve Anchor: Insert the sleeve anchor into the hole with the threaded end first. Make sure it is flush with the surface or slightly below it.
Thread the Nut: Thread the nut onto the exposed end of the anchor. Ensure that the nut is tightened securely but do not overtighten. Overtightening can damage the anchor or weaken its grip.
Tighten the Nut: Use a wrench or socket set to tighten the nut. As you do this, the anchor will be pulled up through the sleeve, causing it to expand against the walls of the hole. This expansion creates a tight, secure fit within the substrate.
Check for Proper Tightening: Once the nut is tightened, check the anchor to ensure it is secure and flush with the surface. The nut should be tightened until it is flush with the top of the anchor.
Complete the Installation: Repeat the above steps for all the sleeve anchors you need to install.
Safety Precautions: Wear appropriate safety gear, including safety glasses and ear protection, during drilling. If drilling in concrete, consider wearing a dust mask to protect against airborne particles.

If you are interested in our Sleeve Anchor or have any questions, please consult us.

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