Best Hex Bolts of 2025

Brian Howie Avatar
Brian Howie
Last Updated: Jan 2, 2025

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Hex bolts are a type of fastener that is widely used in various industries for their versatility and strength. These bolts are characterized by their six-sided heads, which are designed to be tightened or loosened with a wrench or socket. Made from durable materials like stainless steel or carbon steel, hex bolts are known for their high tensile strength and resistance to corrosion. They are commonly used in construction, machinery, and automotive applications, providing a secure and reliable fastening solution. With their hexagonal shape, these bolts offer increased stability and prevent slippage during tightening, making them a popular choice for heavy-duty applications.

At a Glance: Our Top Picks

VIGRUE 252Pcs Flange Hex Bolts Nuts Washers Kit Cover #TOP 1
VIGRUE 252Pcs Flange Hex Bolts Nuts Washers Kit
ftb score rating icon 9.8
Hard-to-Find Fastener Hex Bolt 1/4-20 x 1 Cover #TOP 2
Hard-to-Find Fastener Hex Bolt 1/4-20 x 1
ftb score rating icon 9.7
SG TZH 1/4-20 x 3/4" Hex Bolt Cover #TOP 3
SG TZH 1/4-20 x 3/4" Hex Bolt
ftb score rating icon 9.5

Top 10 Hex Bolts

#TOP 1

VIGRUE 252Pcs Flange Hex Bolts Nuts Washers Kit

Black
M6-1.0,M8-1.25
VIGRUE 252Pcs Flange Hex Bolts Nuts Washers Kit Cover
VIGRUE 252Pcs Flange Hex Head Bolts Nuts Washers Kit(12mm to 30mm) Class 10.9 Alloy Steel Black Zinc Plated M6-1.0 M8-1.25 Metric Flange Bolt Assortment Full Coarse Thread

The VIGRUE Flange Bolts Kit is a comprehensive assortment of M6-1.0 and M8-1.25 metric hex flange bolts, lock nuts, and washers. Made from Class 10.9 alloy steel, these bolts are hardened and provide high tensile strength. The black zinc plated finish offers better rust resistance, ensuring durability. With a flanged hex head design, these bolts are easy to install using a wrench. The kit includes various sizes ranging from 12mm to 30mm, making it suitable for a wide range of applications. Additionally, the VIGRUE Flange Bolts incorporate German coating anti-rust technology, providing three times more rust protection compared to other regular screws. Upgrade your fastening solution with this reliable and convenient kit.

What We Like
Comprehensive assortment
High tensile strength
Durable black zinc plated finish
#TOP 2

Hard-to-Find Fastener Hex Bolt 1/4-20 x 1

014973243807
Zinc
1/4-20 x 1"
Hard-to-Find Fastener Hex Bolt 1/4-20 x 1 Cover
Hard-to-Find Fastener 014973243807 Tap Hex Bolt, 1/4-20 x 1, zinc, 100 Count

The Hard-to-Find Fastener Hex Bolt is designed with a diameter of 1/4-inch and a length of 1-inch, making it ideal for various fastening needs. Made from durable steel, this bolt provides strength and reliability for your projects. The zinc finish offers protection against rust and corrosion, ensuring longevity, especially in outdoor applications. With its hex head style, compatible with a 7/16 wrench, you will find it easy to install and remove, enhancing your efficiency during assembly or repairs.

What We Like
Durable steel construction
Zinc finish for rust protection
Easy installation with hex head
Versatile for various projects
#TOP 3

SG TZH 1/4-20 x 3/4" Hex Bolt

HHSB-S
Silver
1/4-20 x 3/4"
SG TZH 1/4-20 x 3/4" Hex Bolt Cover
1/4-20 x 3/4" Hex Head Screw Bolt, 20Pcs 18-8 (304) Stainless Steel, Fully Threaded, Plain Finish, by SG TZH

The SG TZH Hex Bolt is crafted from high-quality 18-8 (304) stainless steel, ensuring exceptional durability and resistance to corrosion. This means you can rely on it for long-lasting performance in various conditions. With a thread diameter of 1/4" and a length of 3/4", it fits perfectly in many applications. Whether you're working on home repairs, office projects, or mechanical tasks, this bolt is versatile enough to meet your needs. Plus, the package includes 20 pieces, making it convenient for your projects without the hassle of frequent repurchasing.

What We Like
High corrosion resistance
Versatile for various applications
Durable and long-lasting
Value pack of 20 bolts
#TOP 4

Mellewell 1/4-20 x 3/4" Flanged Bolts

Mellewell
FLWLJ.1420X34-25
Silver
1/4-20 x 3/4"
Mellewell 1/4-20 x 3/4" Flanged Bolts Cover
1/4-20 x 3/4" Flanged Hex Head Bolts Flange Hexagon Screws, Stainless Steel A2, DIN 6921, 25 PCS

The Mellewell Flanged Hex Bolts are designed for reliable performance in various applications. With a size of 1/4-20 x 3/4 inches, these bolts feature a pitch of 20 threads per inch, making them ideal for secure fastening. The high-quality stainless steel A2-70 material ensures that these bolts are resistant to corrosion, providing durability in challenging environments. Additionally, the flanged design helps distribute the load evenly, enhancing stability in your projects. This package includes 25 pieces, giving you plenty of bolts for your needs.

What We Like
Corrosion-resistant stainless steel
Flanged design for stability
Includes 25 pieces
20 TPI for secure fastening
#TOP 5

MewuDecor 1/4-20 Hex Bolt Set

HBT.1420X0212-10
Silver
1/4-20 x 2-1/2"
MewuDecor 1/4-20 Hex Bolt Set Cover
1/4-20 x 2-1/2" Hex Head Cap Screws Bolts and Nuts, Flat Washers, Spring Washers, Stainless Steel 18-8 (304), 10 Sets

The MewuDecor Hex Bolt Set includes a variety of essential fasteners that are perfect for various projects. Made from durable stainless steel 18-8 (304), these bolts and nuts resist corrosion and ensure longevity. The 20 TPI coarse threads provide a secure fit, making them ideal for heavy-duty applications. With a wrench size of 7/16", you will find them easy to work with. This set comes complete with 10 hex bolts, nuts, flat washers, and spring lock washers, giving you everything you need for reliable assembly and maintenance tasks.

What We Like
Durable stainless steel construction
Coarse threads for secure fit
Includes essential fasteners
Easy to use with standard wrench
#TOP 6

Hard-to-Find Fastener Grade 5 Hex Screws

014973245498
0.5 inches
Hard-to-Find Fastener Grade 5 Hex Screws Cover
Hard-to-Find Fastener 014973245498 Grade 5 Coarse Hex Cap Screws, 1/4-20 x 1/2-Inch, 100-Piece

Hard-to-Find Fastener Hex Screws are designed for strength and durability. With a diameter of 1/4 inch and a length of 1/2 inch, these steel screws are perfect for various applications, providing a reliable hold. The zinc finish not only enhances their appearance but also protects against corrosion, ensuring longevity. The hex head style allows for easy installation using a 7/16-inch wrench, making it convenient for you to tighten or loosen them with ease. Whether you're working on a home project or a professional task, these screws deliver the quality you need.

What We Like
Durable steel construction
Corrosion-resistant zinc finish
Easy installation with hex head
Versatile for various applications
#TOP 7

VGBUY M6 Flanged Hex Head Bolts

VGBUY
VG11103-M6-20mm--50
Silver
M6x20mm
VGBUY M6 Flanged Hex Head Bolts Cover
VGBUY M6-1.0 x 20mm Flanged Hex Head Bolts,304 Stainless Steel 18-8,Fully Threaded,Silver External Flange Hex Drive Screws,Pump,Fix Car,DIY Project(50Pcs)

The VGBUY M6 Bolts come with 50 high-quality hexagonal flange head screws that make fastening easier and quicker for various projects. Made from 100% Stainless Steel 18-8, these bolts offer excellent resistance to rust and wear, ensuring durability in different environments. Their unique flange design helps distribute loads evenly, reducing the risk of damage to surfaces while providing a secure hold. With a versatile size of M6 x 20mm, these bolts can be used in a wide range of applications, from automotive repairs to DIY projects, making them a reliable choice for your fastening needs.

What We Like
Durable stainless steel construction
Flange design reduces vibration
Versatile for many applications
Organized storage box included
#TOP 8

Mellewell Hex Head Screw Bolt

Mellewell
WLJ-5/16-18-1-1/2-20P
Bright
Mellewell Hex Head Screw Bolt Cover
5/16-18 x 1-1/2" (1/2" to 4-1/2" Available) Hex Head Screw Bolt, Fully Threaded, Stainless Steel 18-8, Plain Finish, Quantity 20

The Mellewell Hex Bolt is a versatile fastener that you can use in various applications, whether at home or in the office. Made from durable 18-8 stainless steel, it offers excellent strength and resistance to corrosion, ensuring longevity. With a thread diameter of 5/16" and a length of 1-1/2", this fully threaded screw is designed for easy installation and secure fastening. The package includes 20 screws, providing you with enough supply for multiple projects. This product is ideal for assembling appliances, communication devices, and machinery, making your tasks more efficient and reliable.

What We Like
Corrosion-resistant material
Versatile applications
Easy installation
Includes 20 screws
#TOP 9

VGBUY 35Pcs Hex Head Bolts VG10205

VGBUY
VG10201-14114-35
Silver
1-1/4"
VGBUY 35Pcs Hex Head Bolts VG10205 Cover
VGBUY 35Pcs 1/4-20 x 1-1/4" Hex Head Screws Bolts,304 Stainless Steel 18-8,Fully Threaded,External Hex Drive,Mounting Chair,Rail,Pump,Wheels,Handles,Antenna Parts,Boat and Plastic Bumpers(VG10205)

The VGBUY Hex Head Bolts come with 35 pieces of 1/4-20 stainless steel bolts, featuring a hexagonal head design that ensures a secure grip and even force during fastening. Made from high-quality Stainless Steel 18-8, these bolts are resistant to rust and abrasion, making them ideal for various environments. They meet ASME specifications, giving you confidence in their performance. With a wide range of applications, these bolts are perfect for everything from household projects to marine uses, providing versatility and convenience for your fastening needs.

What We Like
Durable stainless steel construction
Rust and abrasion resistance
Wide application range
Secure and precise grip
#TOP 10

Sprite Science 280PC Hex Bolt Kit

Sprite Science
1/4-HEX-KIT
One Size
Sprite Science 280PC Hex Bolt Kit Cover
280PCs 1/4-20 Hex Bolts Screws Hex Nuts Flat Washers Lock Washer Kit, Stainless Steel 304, Fully Threaded Hex Bolt 1/4-20 x 1/2" 3/4" 1" 1-1/4" 1-1/2" 1-3/4" 2" Length

The Sprite Science Hex Bolt Kit offers a wide range of 1/4-20 hex bolts in various lengths, making it perfect for any project. With ten pieces each of bolts ranging from 1/2" to 2", you can easily find the right size for your needs. Additionally, the kit includes a generous supply of hex nuts, flat washers, and lock washers, ensuring you have all the components necessary for a secure assembly. The included plastic container keeps everything organized and easily accessible, saving you time and hassle when working on your projects. Whether you're a contractor or a DIY enthusiast, this kit is a valuable addition to your toolbox.

What We Like
Comprehensive selection of sizes
Convenient storage container
Durable stainless steel material
Includes essential fasteners
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is a hex bolt used for?

Hex bolts are commonly used to secure objects together or against other objects, providing a secure and non-loosening hold. They are used in various applications, such as fastening steel to steel, wood to wood, and other materials found in construction projects like buildings, bridges, and highway structures.

2. What are the disadvantages of hex bolts?

One disadvantage of hex bolts is their higher profile compared to other fasteners. The tools used to tighten them, such as wrenches or sockets, can also take up more space. This can be challenging when working in tight spaces or when carrying limited equipment.

3. Are hex bolts strong?

Yes, hex bolts can be strong, particularly grade 9 structural bolts. Grade 9 hex bolts have a tensile strength of 180,000 PSI, making them one of the strongest structural bolts available. They are commonly used in applications that require high strength and reliability.

4. What are the advantages of a hex bolt?

Hex bolts offer several advantages over other fasteners. Their hexagonal shape allows for easy tightening or loosening without the need for additional tools. This makes them convenient for quick adjustments or repairs on-site, eliminating the need to carry bulky equipment.

5. Why are 12 point bolts used instead of hex bolts?

12-point bolts are used in place of hex bolts because they can be tightened with a 12-point socket wrench, allowing for higher torque application. This makes them suitable for applications that require greater tightening force. Additionally, the 12-point head design is advantageous in tight spaces.

6. Which is stronger hex or torx?

Torx bits have a higher surface area for torque application and a 15º drive angle, compared to the hex's 60º angle. This results in increased tolerance, effectiveness, and less tool slippage. Therefore, Torx fasteners can provide a stronger and more secure connection than hex fasteners.

7. Why is Torx better than hex?

Torx fasteners have a higher surface area for torque application and a 15º drive angle, in contrast to the hex's 60º angle. This design allows for increased torque tolerance, improved effectiveness, and reduced tool slippage. Consequently, Torx fasteners are often considered superior to hex fasteners in terms of performance and reliability.

Editor's Notes

During our hex bolt research, we found 24 hex bolt products and shortlisted 10 quality products. We collected and analyzed 14,610 customer reviews through our big data system to write the hex bolts list. We found that most customers choose hex bolts with an average price of $12.08.

The hex bolts are available for purchase. We have researched hundreds of brands and picked the top brands of hex bolts, including VIGRUE, Hard-to-Find Fastener, SG TZH, Mellewell, MewuDecor. The seller of top 1 product has received honest feedback from 388 consumers with an average rating of 4.9.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.