Best Hex Lag Bolts of 2025

Corey Phillips Avatar
Corey Phillips
Last Updated: 1 Feb 2025

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Hex Lag Bolts are high-quality fasteners that are commonly used to secure heavy materials such as wood or metal to concrete or masonry surfaces. These bolts feature a hexagonal head that allows for easy tightening using a wrench or pliers. They are available in a variety of sizes and materials to suit different applications, and their coarse threads provide superior grip and stability compared to other types of screws. Hex Lag Bolts are a reliable and efficient solution for projects that require a sturdy and long-lasting fastening system.

At a Glance: Our Top Picks

TERF M8 Coach Screws for Various Fixings Cover #TOP 1
TERF M8 Coach Screws for Various Fixings
ftb score rating icon 9.9
Bolt Dropper M10x100mm Heavy-Duty Lag Bolts Cover #TOP 2
Bolt Dropper M10x100mm Heavy-Duty Lag Bolts
ftb score rating icon 9.8
Bolt Dropper Heavy Duty Hex Lag Screws Cover #TOP 3
Bolt Dropper Heavy Duty Hex Lag Screws
ftb score rating icon 9.6

Top 10 Hex Lag Bolts

#TOP 1

TERF M8 Coach Screws for Various Fixings

TERF - Coach Screw - 001
TERF M8 Coach Screws for Various Fixings Cover
TERF® M8 X 80mm Coach Screws Hex Head M8 (8mm) X 80mm Wood Masonry Brick Concrete Wall Fixing Lag Screw Bolts for Aerial Satellite Dish TV Bracket Fence Shelves Mounting Decking - Pack of 10

The TERF M8 Coach Screws are designed for a range of applications, making them an essential choice for your fastening needs. With a robust zinc plated steel construction, these screws ensure durability and longevity. Measuring 8mm x 80mm, they are perfect for fitting items like TV aerial masts and satellite dishes securely to masonry and brick walls. This pack includes 10 screws, allowing you to tackle multiple projects without the need for frequent repurchasing.

What We Like
Durable zinc plated steel
Ideal for various applications
Includes 10 screws per pack
Perfect for masonry and brick

Bolt Dropper M10x100mm Heavy-Duty Lag Bolts

BOLT-000128
Silver
M10x100mm
Bolt Dropper M10x100mm Heavy-Duty Lag Bolts Cover
Bolt Dropper | M10x100mm Lag Bolts Screw - Hex Head Screw - A2 Stainless Steel Screws for Heavy Duty Wood Fixings - Corrosion Resistance and Versatile - Construction and Landscaping Screws (Set of 25)

The Bolt Dropper Lag Bolts are designed for heavy-duty performance, making them perfect for construction and landscaping projects. Their superior A2 stainless steel construction ensures that you benefit from exceptional corrosion resistance, allowing for long-lasting use even in harsh weather conditions. With unmatched versatility, these lag screws can be used with wood, concrete, and more, adapting seamlessly to your project needs. Additionally, their user-friendly design allows for effortless installation, saving you time and effort while ensuring secure and tight fixings.

What We Like
Heavy-duty performance
Corrosion-resistant stainless steel
Versatile for various materials
Easy to install
Comprehensive set of 25
#TOP 3

Bolt Dropper Heavy Duty Hex Lag Screws

BOLT-000139
Silver
M12 x 80mm
Bolt Dropper Heavy Duty Hex Lag Screws Cover
Bolt Dropper Hex Head Lag Bolt Screw - Hexagon Head Lag Bolts A2, M12x80mm - Heavy Duty Stainless Steel Screws for Construction and Landscaping - Natural Steel Color - Set of 25

The Bolt Dropper Hex Lag Bolts are designed for durability and reliability in construction and landscaping tasks. Their rust-resistant stainless steel composition ensures they last longer than ordinary steel screws, making them a smart choice for outdoor use. With a set of 25, you can tackle large projects without the hassle of frequent store trips. Their heavy-duty design means they can withstand high stress and heavy loads, providing you with confidence in your fastening solutions.

What We Like
Highly rust-resistant
Set of 25 bolts
Versatile for various applications
Heavy-duty load-bearing

LLB 300mm M10 Coach Screws Pack of 12

LLB
WS.MAR.300
Silver
LLB 300mm M10 Coach Screws Pack of 12 Cover
LLB 300mm Screws M10 Coach Screws Wood Hex Head Width 17mm Pack of 12 Zinc Plated Sleeper Concrete Screw Hexagon Lag Half Thread Bolts Silver Long 12 inch x 0.4 inch (10mm x 300mm)

The LLB Coach Screws are designed for high durability, featuring premium zinc plating that resists corrosion. This makes them ideal for your demanding DIY projects and home repairs, ensuring a long-lasting performance. Their versatile application means you can use them to secure garden sleepers or tackle heavy-duty tasks. With superior holding strength thanks to their hex head design and half-thread construction, you can trust these screws to provide a reliable grip in both wood and concrete. Experience precision engineering that meets the highest standards for all your projects.

What We Like
High durability and corrosion resistance
Versatile for various applications
Superior grip and holding strength
Precision engineering for reliability
Comprehensive pack for multiple uses
#TOP 5

RADSO M8 Hex Head Coach Screws Pack

RADSO
3152054102708
Black
RADSO M8 Hex Head Coach Screws Pack Cover
RADSO M8 Hex Head Coach Screws Wood Lag Bolt-Black Passivated-For Wood, Masonry/Brick, Concrete, Shelving, Wall Mounting, Fastening, Installation & other Indoor Projects (8mm x 40mm)-Pack of 10

The RADSO M8 Screws feature a black passivated surface treatment, ensuring durability and reliable performance for all your projects. With dimensions of 8mm thickness and 40mm length, these screws are compatible with a 13mm spanner, making installation straightforward. Made from high-quality steel, they are perfect for a variety of applications, from shelving to furniture assembly. The hexagon head design allows for easy gripping, giving you enhanced control and precision during installation, resulting in a professional finish for your DIY tasks.

What We Like
Durable black passivated coating
Versatile for various materials
Easy to install with hex head
High-quality steel construction
Suitable for heavy-duty projects
#TOP 6

SENENQU Zinc Plated M8 Coach Screws

SQUK-CoachScrew-50pcs-M8x60-230626
SENENQU Zinc Plated M8 Coach Screws Cover
SENENQU 50pcs M8 x 60mm Coach Screws, Zinc Plated Hex Lag Bolts, Self-Tapping Wood Screws Coach Bolts for Wall Fixing Mounting

The SENENQU Coach Screws are made from high-quality zinc plated steel, ensuring they are robust and durable. Their self-tapping design makes installation easy, allowing you to secure wood and other materials without hassle. With a diameter of 8mm and a length of 60mm, these screws are perfect for various applications, including fencing and decking. Furthermore, their excellent corrosion and rust resistance means they can withstand humid environments, providing you with a reliable solution for both indoor and outdoor projects.

What We Like
Corrosion-resistant and durable
Easy self-tapping installation
Versatile for various applications
Strong in humid environments
#TOP 7

Bolt Dropper M10 Countersunk Bolts Set

BOLT-000157
Bolt Dropper M10 Countersunk Bolts Set Cover
Bolt Dropper M10 Countersunk Bolts - Hexagon Head Cap Screws - A2 Stainless Steel Head Lag Screw - High Tensile Hex Socket Lag Bolts - Safe and Easy to Use for DIY and Professionals - Set of 50

The Bolt Dropper M10 Bolts are made from high tensile strength A2 stainless steel, ensuring you enjoy strong and durable connections for your projects. Their complete countersinking offers a smooth finish, reducing the risk of injury from protruding screw heads. You will also find these bolts easy to use, as their design facilitates effortless installation, while the high torque transfer ensures reliability. Furthermore, the quick assembly feature allows for a hassle-free experience, making these bolts perfect for both DIY enthusiasts and professionals alike.

What We Like
High tensile strength construction
Safe, countersunk design
Easy installation process
Quick assembly for projects
Versatile for various applications
#TOP 8

TERF M10 Coach Screws for Various Fixings

TERF - Coach Screw - 001
Silver
TERF M10 Coach Screws for Various Fixings Cover
TERF® M10 X 150mm Coach Screws Hex Head M10 (10mm) X 150mm Wood Masonry Brick Concrete Wall Fixing Lag Screw Bolts for Aerial Satellite Dish TV Bracket Fence Shelves Mounting Decking - Pack of 5

The TERF M10 Coach Screws are designed for versatile applications, making them ideal for fitting TV aerial masts, satellite dishes, and shelving. Made from zinc plated steel, these screws ensure durability and resistance against corrosion. With a size of M10 (10mm) X 150mm, they are perfect for securing items to masonry and brick walls. It is important to check the required screw size before purchasing, ensuring the right fit for your project.

What We Like
Durable zinc plated steel
Versatile applications
Ideal for masonry and brick
Conforms to DIN571 standard
#TOP 9

LLB 200mm M8 Zinc Plated Coach Screws

LLB
WS.8.MAR.200
Silver
LLB 200mm M8 Zinc Plated Coach Screws Cover
LLB 200mm M8 For Coach Screws Wood Hex Head Width 13mm Zinc Plated Sleeper Concrete Screw Hexagon Lag Half Thread Bolts Silver Long 8 inch x 0.3 inch (8mm x 200mm) Box of 6pcs

The LLB Coach Screws are designed for connecting wooden construction elements securely. Measuring 8mm x 200mm, these half-thread bolts offer the strength needed for various applications. With a zinc plating, they resist corrosion, ensuring durability over time. Each pack contains six screws, providing you with enough fasteners for your projects. By using these screws, you can enjoy a reliable and robust connection in your woodworking tasks, simplifying your assembly process.

What We Like
Corrosion-resistant zinc plating
Includes six screws per pack
Half-thread design for versatility
Suitable for wooden structures
#TOP 10

sourcing map M8 x 40mm Hex Lag Screws

a21061500ux0156
Silver Tone
M8 x 40mm
sourcing map M8 x 40mm Hex Lag Screws Cover
sourcing map Hex Lag Screws, M8 x 40mm Carbon Steel Zinc Plated Full Thread Self-Tapping Bolts for Wood Screw 25Pcs

The sourcing map Hex Lag Screws are made from durable carbon steel with a zinc-plated finish, ensuring they perform well in dry environments. Their 40mm length and external hex head design provide excellent anchoring strength, making them ideal for various carpentry tasks. You will appreciate their high hardness and wear resistance, which enhance longevity and reliability. Additionally, the coarse threads allow for easy installation in wood, offering a secure fit that won't pull out easily.

What We Like
Durable carbon steel construction
High anchoring strength
Easy installation
Wear-resistant design
Zinc-plated for protection
Buying Guide Image
Editor's Notes

During our hex lag bolt research, we found 306 hex lag bolt products and shortlisted 10 quality products. We collected and analyzed 5,393 customer reviews through our big data system to write the hex lag bolts list. We found that most customers choose hex lag bolts with an average price of £11.79.

The hex lag bolts are available for purchase. We have researched hundreds of brands and picked the top brands of hex lag bolts, including TERF, Bolt Dropper, LLB, RADSO, SENENQU. The seller of top 1 product has received honest feedback from 1,505 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.