Best Closed Expansion Bolts of 2025

Corey Phillips Avatar
Corey Phillips
Last Updated: 1 Feb 2025

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Closed expansion bolts are a type of fastener that is commonly used in construction and DIY projects. These bolts are designed to create a secure and stable connection between two materials, such as wood, metal or concrete. They are particularly useful in situations where a strong and reliable fixing is required, such as securing heavy objects to walls or ceilings. Closed expansion bolts are easy to install and can be used in a variety of applications. They are a great choice for anyone looking for a reliable and long-lasting fixing solution.

At a Glance: Our Top Picks

Amtech S5965 8mm Heavy Duty Hook Bolts Cover #TOP 1
Amtech S5965 8mm Heavy Duty Hook Bolts
ftb score rating icon 9.8
Ayiciel M6 Eye Expansion Shield Bolts Cover #TOP 2
Ayiciel M6 Eye Expansion Shield Bolts
ftb score rating icon 9.7
Amtech S5970 Heavy Duty Closed Hook Bolts Cover #TOP 3
Amtech S5970 Heavy Duty Closed Hook Bolts
ftb score rating icon 9.5

Top 6 Closed Expansion Bolts

#TOP 1

Amtech S5965 8mm Heavy Duty Hook Bolts

AM-S5965
Brass
Amtech S5965 8mm Heavy Duty Hook Bolts Cover
Amtech S5965 6 Piece 8mm Closed Hook Bolts

The Amtech 8mm Hook Bolts are designed for heavy-duty applications, featuring a zinc passivated finish that ensures maximum protection against rust and corrosion. Their versatility makes them perfect for securely fixing items to concrete, stone, and brickwork, providing you with peace of mind in your projects. When it comes to installation, you will need a 14mm clearance hole for the expansive bolt and a 13mm spanner to tighten the expansion nut, making the process straightforward and efficient.

What We Like
Heavy-duty construction
Zinc passivated finish
Versatile for various materials
Easy installation
#TOP 2

Ayiciel M6 Eye Expansion Shield Bolts

AYC1607
Ayiciel M6 Eye Expansion Shield Bolts Cover
Ayiciel Expansion Anchor Bolts, M6 x 60mm Eye Expansion Shield Bolt Sleeve Anchors, Heavy Duty Expansion Screw Bolts with Closed Hooks Wall Masonry Concrete Fixing Anchor (Pack of 6)

The Ayiciel Expansion Bolts are crafted from heavy-duty carbon steel, ensuring maximum corrosion resistance and durability for long-lasting support. Their wide applications allow you to securely fix items and fixtures to a variety of surfaces, including concrete, brick, and masonry. Installation is straightforward; simply drill a hole, insert the bolt, and tighten with a wrench. Each bolt comes with a shield, washer, and hexagonal nut to guarantee a reliable anchorage, giving you peace of mind in your projects.

What We Like
Durable carbon steel construction
Suitable for various surfaces
Simple installation process
Includes necessary components
#TOP 3

Amtech S5970 Heavy Duty Closed Hook Bolts

AM-S5970
Brass
10mm
Amtech S5970 Heavy Duty Closed Hook Bolts Cover
Amtech S5970 4 Piece 10mm Closed Hook Bolts

The Amtech S5970 Hook Bolts are designed for heavy-duty applications, featuring a zinc passivated finish that ensures maximum protection against corrosion. You can rely on these versatile bolts for securely fixing items and fixtures to concrete, stone, and brickwork, providing peace of mind for your projects. Additionally, they require a 13mm spanner, and the 16mm clearance hole is necessary for the expansive bolt. This easy-to-use design simplifies installation, making it accessible for both DIY enthusiasts and professionals alike.

What We Like
Heavy duty construction
Corrosion-resistant finish
Versatile fixing options
Simple installation process
#TOP 4

INCREWAY 304 Stainless Steel Expansion Bolt Set

INC-HW01-156
M8*80mm
INCREWAY 304 Stainless Steel Expansion Bolt Set Cover
INCREWAY Expansion Bolt, 4 Pcs 304 Stainless Steel Ring Anchor Eyebolt Expansion Screw with Ring Closed Hook Internal Expansion Bolt Fastner for Concrete Wall, M8x80mm

The INCREWAY Expansion Bolt Set is constructed from premium 304 stainless steel, ensuring durability and effective rust protection. This makes it suitable for both indoor and outdoor use, even in humid conditions. With a standard size of 8mm in diameter and 80mm in length, these bolts are easy to install; simply drill a hole and insert the bolt. Their wide applications allow you to fix ropes, canopies, and sun shade sails, making them ideal for various home and engineering projects.

What We Like
Durable 304 stainless steel
Easy to install
Wide range of applications
Rust and corrosion resistant
#TOP 5

5Pcs M8 Heavy Duty Eye Shield Bolts

MCK0131-8*80
gold
8*80mm
5Pcs M8 Heavy Duty Eye Shield Bolts Cover
5Pcs Expansion Anchor Bolts for M8,Eye Shield Bolts Expansion Screw Bolts,Heavy Duty Sleeve Anchors Ring Lifting Eyebolts with Closed Hooks for Concrete Wall Fixings 80MM

The Mcoser Heavy Duty Bolts are designed for easy installation and versatility. You can securely fix these expansion eye bolts into concrete, brick, and other walls, making them ideal for various applications like fences and air conditioners. Installation is straightforward; simply drill a hole, insert the expansion screws, and tighten the nut. Made from durable carbon steel, these bolts are resistant to rust and wear, ensuring long-term use both indoors and outdoors.

What We Like
Easy to install
Rust-resistant carbon steel
Versatile for multiple applications
Durable for indoor and outdoor use
#TOP 6

KINDOYO 304 Stainless Steel Expansion Screws

35316002480003-ZH6
M6*40-10 6pcs
M6*40-10
KINDOYO 304 Stainless Steel Expansion Screws Cover
KINDOYO Expansion Screws - Expansion Bolt Sleeve Anchor Screw Closed Hook Anchor Bolt, 304 Stainless Steel, M6*40-10 6pcs

The KINDOYO Expansion Screws are made from 304 stainless steel, ensuring they are rust-resistant and durable. This feature makes them perfect for heavy-duty applications, such as mounting brackets and ceiling suspension rings. You will appreciate the ease of installation, as these screws can be used in both concrete and masonry. The expansion mechanism is simple; as you tighten the bolt, it draws a cone that expands the sleeve, securing it firmly in place. These weatherproof anchors provide reliable support for your projects.

What We Like
Rust-resistant stainless steel
Easy to install
Weatherproof design
Suitable for concrete and masonry
Strong and durable
Buying Guide Image
Editor's Notes

During our closed expansion bolt research, we found 77 closed expansion bolt products and shortlisted 6 quality products. We collected and analyzed 4,375 customer reviews through our big data system to write the closed expansion bolts list. We found that most customers choose closed expansion bolts with an average price of £6.71.

The closed expansion bolts are available for purchase. We have researched hundreds of brands and picked the top brands of closed expansion bolts, including Amtech, Ayiciel, INCREWAY, Mcoser, KINDOYO. The seller of top 1 product has received honest feedback from 555 consumers with an average rating of 4.8.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.