Are you trying to find carriage bolts among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling carriage bolts on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 23 hours of research and did 35 carriage bolts tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best carriage bolts you can buy today
- Package Includes: 8 Pcs Carriage Bolts (5/16-18 x 2-1/2") + 8 Pcs Hex Nuts (5/16"-18)+ 8 Pcs 5/16" ID Flat Washers
- Thread Size: 5/16-18; Thread Pitch: 18 TPI; Thread Type: Coarse Thread
- Bolt head diameter: 18mm; Round head height: 4.3mm; Screw length (including the neck): 2-1/2 inch or 63mm
- Material: 304 stainless steel (A2) and no exterior finish, greater strength and corrosion resistance performance than regular stianless steel or zinc plated fasteners.
- Carriage bolts have a dome shaped head and a square neck generally requiring a hex nut and flat washer. The square neck makes them self-locking when used within a square hole.
- Versatile and Convenient Kit: this package includes 25 stainless steel carriage bolts (1/4-20 x 1-1/2"), 25 hex nuts (1/4"-20), and 25 flat washers, ensuring you have an ample supply for daily use and replacements; The comprehensive selection of fasteners caters to various needs, allowing for versatile applications
- Precision Sized and Thread Type: with a thread size of 1/4-20 inches and a screw pitch of 20 TPI, these carriage bolts and screws are meticulously designed to fit seamlessly into your projects; The coarse thread type further enhances their grip and holding strength, providing a sturdy and dependable connection
- Optimal Dimensions: the bolt head diameter is approximately 0.59 inches (15 mm), while the round head height is about 0.14 inches (3.5 mm); The overall screw length, including the neck, is around 1-1/2 inches (38 mm); These precise dimensions ensure compatibility with a wide range of applications and ensure reliable performance
- Reliable Corrosion Resistance: made of 304 stainless steel, the carriage bolts and nuts kit is strong and reliable, resistant to corrode, making them suitable for both indoor and outdoor applications
- Secure and Reliable Fastening: the round head design and square neck of these carriage bolts enable a secure and self locking fit when appiled in square holes; The combination of the bolts' useful shape and the accompanying hex nuts and flat washers ensures reliable and stable fastening for your projects
- The carriage bolts are 100% stainless steel 18-8 (304) which offers a high level of chemical and corrosion resistance.
- System of Measurement: Inch; Finish: Bright Finish.
- Thread Diameter: 1/4 Inch; Thread Count: 20; Head Diameter: 0.594 Inch; Head Height: 0.145 Inch; Screw Length: 1-1/4 Inch.
- Package Included: 25 x Carriage Bolts.
- These bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems.
- Construction: Carriage bolts are often used in construction projects to fasten wood or metal together. They are particularly useful for fastening wood to metal, as the square neck on the bolt prevents it from turning when the nut is tightened
- Furniture: Carriage bolts are commonly used in the construction of furniture, particularly outdoor furniture. They are used to fasten the legs of tables and chairs to the frame, ensuring that the joints are strong and secure
- Agricultural equipment: Carriage bolts are often used in the construction of agricultural equipment, such as tractors and other farm machinery. They are used to fasten together the various components of the machinery, including the frame, engine, and other parts
- Industrial equipment: Carriage bolts are also used in the construction of industrial equipment, such as conveyor systems and other types of machinery. They are used to fasten together the various components of the equipment, ensuring that it is stable and reliable
- Marine applications: Carriage bolts are sometimes used in marine applications, such as the construction of boats and other watercraft. They are resistant to corrosion, making them suitable for use in saltwater environments
- 16 TPI (Threads Per Inch). Sold as a package of 12 carriage bolts & includes Bolts and nuts
- Practical Dimension: the carriage bolt has a size of approximately 1/2 x 6 inch, providing holding power for heavy applications; Their size can cater to a wide variety of needs, ensuring dependable and robust structural support across a host of applications
- Comprehensive Kit: the complete black carriage bolt kit comprises 12 carriage bolts, 12 washers, and 12 nuts, providing a generous amount of connectors that allow for several uses, making it a practical choice even for larger projects
- Quality Material: these long bolts are made of black galvanized material, characteristically known for their rust resistance, offering an ideal protective capacity; This quality material also ensures a long lasting and reliable performance, making it a worthy investment in home improvement and industrial projects
- Nice Fastening Performance: designed for securing wooden parts to wood or metal, the galvanized carriage bolt set makes operative tasks easier and more effective; The carriage bolt design contributes significantly to nice fastening performance; Their holding strength ensures the stability and reliability of your constructions
- Widely Applied: the design of the galvanized carriage bolt caters, specifically, to the fastening of wooden components to wood or metal, they are suitable for heavy applications like decks, pavilion, and other structures that require sturdy support
- 1.1/4-20 x 2" long square-neck carriage bolts set.
- 2.Material: carbon steel, blackening;colour: black.
- 3.Size : 1/4-20 x 2"; screw diameter: 1/4'', screw length: 2''.
- 4.Contains: 10 sets.
- 5.Use: widely used in many different things, such as beds, chairs, cots, crib, sofa and different kinds of furniture,etc.
- Diameter: 5/16-Inch
- Length: 3/4-Inch
- Material: Steel
- Finish: Zinc
- Head Style: Carriage
- Diameter: 5/16"
- Length: 3/4 inches
- Material: Steel
- Finish: Zinc
- Head Style: Carriage
- Thread Size: M8-1.25; Thread Pitch: 1.25mm; Thread Type: Coarse Thread UNC
- Head Diameter: 19.35mm (min)-20.65mm (max); Head Height: 4.12mm (min)-4.88mm (max); Neck Height: 4.4mm (min)-5.6mm (max)
- Used widely in the home, office appliance, aluminum profile installation, communication equipments, ship assembly and other machinery industry, equipment, quadcopter, DIY crafts, home repairing and so on
- Screw Length: 40mm (including the neck part)
- Material: 304 Stainless Steel 18-8 that you will probably see in your house or workplace. It's used for a wide variety of home and commercial applications. Because of its slightly higher strength and wear resistance than type 316, it's also used for nuts, bolts, screws and other fasteners.
- Package Contents: 6 Sets, each set includes one piece carriage bolt, hex nut and flat washer.
- Screw Length: 4 inch or 100mm (measured from under the round head, including the square neck height)
- Diameter of the screw head: 20-21.5mm; Height of the screw head: 4.8-5.3mm; Height of the square neck: 4.8-5.7mm;
- Design feature: Big round domed head designed to eliminate the need for a washer; Square neck underneath the head helps self locking.
- Made of 304 stainless steel 18-8 (no coating outside) which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments.
- Size: 3/8 inch-16 X 4 inch
- Features a smooth rounded head as opposed to a standard hex head
- Square shoulder allows for nut to be tightened or loosened
- Often used in cases where a protruding bolt head could cause injury
- Nuts and washers not included, ensure washers and nuts are same diameter
- Thread Type: Coarse, Thread Class: UNC-2A, Point Style: Blunt
- Specification(s) Met: ASME B18.5 and ASTM A307A
- Contents: 25 PCS 1/4-20 x 1-1/2 inch carriage bolt with round domed head and suqare neck
- Screw Length: 1-1/2 inch or 38mm (measured from under the round head, including the neck height)
- Big round domed head designed to eliminate the need for a washer; Square neck underneath the head helps self locking
- Diameter of the head: 14.3-15mm; Height of the round head: 3.18-3.68mm; Height of the Neck:3.18-3.96mm
- Made of 304 stainless steel 18-8 (no coating outside) which is superior to regular steel and any zinc plated fasteners, provides good strength and corrosion resistance in bad environments
- The carriage bolts are 100% stainless steel 18-8 (304) which offers a high level of chemical and corrosion resistance.
- System of Measurement: Inch; Finish: Bright Finish.
- Thread Diameter: 1/4 Inch; Thread Count: 20; Head Diameter: 0.594 Inch; Head Height: 0.145 Inch; Screw Length: 3/4 Inch.
- Package Included: 25 x Carriage Bolts.
- These bolts can be used in high-stress applications, such as valves, pumps, motors, and automotive suspension systems.
- Diameter: 1/4-Inch
- Length: 1-3/4-Inch
- Material: Steel
- Finish: Zinc
- Head Style: Carriage
- Diameter: 1/4"
- Length: 1-3/4 inch
- Material: Steel
- Finish: Zinc
- Head Style: Carriage
- Round head bolt with a square neck under the head, and a unified thread pitch.
- Grade 8, Fully Threaded
- Zinc Yellow
- Please see the specifications in the table below for full details. If you have any questions or doubts, or if your requirements include specific dimensions, please contact us prior to placing your order.
- PICTURES ARE REPRESENTATIVE OF ITEM, BUT ARE NOT OF THE ACTUAL ITEM. Product dimensions, finish, head markings, thread length, stamping shape or forging shape, etc., may differ from picture. Products are guaranteed to meet the specifications to which they are manufactured. Specifications allow for tolerances in dimension and shape, which can vary from lot to lot.
- ASMC Industrial Brand fasteners are guaranteed to be of the highest quality and are lot controlled, providing traceability to the manufacturer and raw material.
- Compatible with most garage door hardware installations
- The threading on these fasteners is 1/4-20 TPI
- This set includes 12 carriage bolts and 12 nuts
- Steel constructed nuts and carriage bolts
- Zinc-plated nuts and bolts
- Smooth, domed heads
- These carriage bolts feature a square section beneath the head which helps prevent them from spinning during tightening of nuts
- Carriage Bolts are a robust and durable fastener solution. Carriage Bolts feature a square section underneath their head, which makes them self-locking when used within a square hole.
- Due to the head there is no groove type that can be used with a power assisting tool. It can also be hidden during actual use to prevent disassembly.
- High Quality Material 18-8 (304) Stainless Steel Carriage bolts Used widely in the home and office appliances, communication equipment, ship assembly, and other machinery industry.
- Size: Bolt 3/8-16 x 1-1/2"; Hex Nuts: 3/8"-16; Flat Washer: 3/8".
- Package Included: 10 PCS Carriage Bolts, 10 PCS Hex Nuts and 10 PCS Flat Washers.
- Diameter: 3/8" | Length: 6" | Head diameter: 0.813" | Nut diameter: 3/8" | Nut wrench size: 9/16" | Washer outside diameter: 1"
- Kit includes 25 carriage bolts, 25 USS thick washers, 25 hex nuts
- 5-Layer ceramic black ruspert coating for superior rust resistance (2X protection compared to galvanized)
- Suitable for use in ACQ treaded lumber
- The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
- Diameter: 1/2" | Length: 10" | Head diameter: 1.062" | Nut diameter: 1/2" | Nut wrench size: 3/4" | Washer outside diameter: 1-3/8"
- Kit includes 12 carriage bolts, 12 USS thick washers, 12 hex nuts
- 5-Layer ceramic black ruspert coating for superior rust resistance (2X protection compared to galvanized)
- Suitable for use in ACQ treaded lumber
- The flat head provides a semi-flush finish and is perfect for decks, gazebos, pergolas, and other heavy duty applications
- 🍁Wide Application🍁: Widely used in homes and offices, both indoors and outdoors, such as furniture, TV, engineering or other DIY projects.
- 🍁Package Details🍁: You will get 12 x Carriage Bolt, which thread size is 1/4-20, Length is 1". 12 x Hex Nuts and Hex Flange Nuts, which size is 1/4"-20. 12 x Flat Washer, which size is 1/4".
- 🍁Quality Assurance🍁: Made of high quality 304 stainless steel, which has high hardness, corrosion resistance, no rust even in wet environment, and strong oxidation resistance, so that the fasteners are durable!
- 🍁Practical function🍁: Carriage bolts are bolts used to fix metal to wood. The square neck and round head help to prevent the bolt from turning when tightening the nut. And our kit includes Hex Nuts and Hex Flange Nuts. You can choose different nuts according to your actual need, which is convenient for your life.
- 🍁Impeccable Service🍁: HARSKIYER always pays attention to each customer's shopping experience. Make sure that every consumer who comes to the HARSKIYER store can feel satisfied from the heart. For products in question, we provide 30-day no-reason return service, not only that, we can solve the problem for you 24 hours a day, please send us an email.
How to choose a good carriage bolts
Does the idea of finding a fantastic carriage bolts make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in carriage bolts. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top carriage bolts products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top carriage bolts on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top carriage bolts brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top carriage bolts based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the carriage bolts were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good carriage bolts, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your carriage bolts.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting carriage bolts for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our carriage bolts. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what carriage bolts should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on carriage bolts.
