Fastenal offers a wide range of high-quality bolts and nuts for various needs. These products suit construction, repair, and DIY projects efficiently.
Choosing the best Fastenal bolts and nuts ensures durability and strength. The assortment kits include different sizes, materials, and grades, like heavy-duty Grade 8. 8 and stainless steel options. Kits such as Bonost 1380pcs and FOLIV 523pcs provide a complete set for machinery, automotive, or furniture repairs.
Some kits feature yellow zinc plating for rust resistance, while others use black carbon steel or stainless steel for extra toughness. Whether you need metric or SAE sizes, these kits cover common dimensions and include washers for secure fastening. Fastenal’s variety helps users find the right fasteners quickly and easily for any project.
Bonost Nuts And Bolts Assortment Kit

The Bonost 1380pcs Nuts and Bolts Assortment Kit is ideal for DIY enthusiasts, professional mechanics, and anyone who frequently works on mechanical projects or home repairs. If you require a reliable, versatile, and comprehensive set of fasteners for various applications, this heavy-duty Grade 8.8 metric bolt set with assorted nuts and washers is designed to meet those needs efficiently.
Pros:
- Includes a large assortment of 1380 pieces covering multiple sizes: M4, M5, M6, M8
- Constructed with heavy-duty Grade 8.8 steel for enhanced strength and durability
- Yellow zinc plating provides corrosion resistance and a professional finish
- Variety of lengths from 12-30mm to suit different fastening needs
- Compact and organized storage case with clear labeling for easy identification
Cons:
- May contain more small parts than required for casual users, leading to potential excess
- The assortment primarily focuses on metric sizes, limiting use for those needing imperial sizes
The Bonost 1380pcs Nuts and Bolts Assortment Kit is designed to provide a comprehensive solution for fastening needs across a wide range of projects. Its assortment covers essential metric sizes, making it highly versatile for automotive, construction, and household repairs. The inclusion of heavy-duty Grade 8.8 bolts ensures that the fasteners can withstand substantial mechanical stress, making them suitable for demanding applications where strength and reliability are critical.
Additionally, the yellow zinc plating offers excellent protection against rust and corrosion, extending the lifespan of the hardware, especially in environments exposed to moisture. The compact and clearly labeled case helps users quickly find the right size and type of bolt or nut, enhancing efficiency and reducing downtime during projects. Whether assembling machinery or performing routine maintenance, this kit supports a wide variety of fastening tasks with ease and confidence.
Smseace Nuts And Bolts Assortment Kit

The smseace 516Pcs Nuts and Bolts Assortment Kit is ideal for DIY enthusiasts, professional mechanics, and anyone involved in machinery, furniture, automotive, or motorcycle repairs. If you need a comprehensive set of various sizes of nuts, bolts, and washers for multiple projects, this kit offers a convenient all-in-one solution.
Pros:
- Includes 516 pieces covering 21 different sizes (M3/M4/M5/M6), ensuring versatility for different repair jobs.
- Made from durable silver-colored metal, providing long-lasting strength and resistance to wear.
- Organized in a compact storage box, making it easy to find and access the right parts quickly.
- Suitable for a wide range of applications including machinery, furniture assembly, automotive, and motorcycle repairs.
Cons:
- May not include larger or specialty sizes needed for specific heavy-duty projects.
- The silver finish might show scratches or wear over time with heavy use.
The smseace 516Pcs Nuts and Bolts Assortment Kit provides a comprehensive range of nuts, bolts, and washers in multiple sizes, making it a versatile choice for both amateurs and professionals. Its sturdy metal construction ensures that each piece can withstand the demands of mechanical and automotive repairs. The wide assortment allows users to tackle various projects without needing to purchase individual parts separately, saving both time and money.
Additionally, the kit’s thoughtful organization in a portable case ensures that users can easily identify and retrieve the required fasteners, streamlining the repair process. Whether you are assembling furniture, fixing motorcycles, or maintaining machinery, this assortment kit covers most common needs, making it an essential addition to any toolbox.
Foliv Bolts And Nuts Assortment Kit

The FOLIV 523PCS Grade 8 Bolts and Nuts Assortment Kit is ideal for DIY enthusiasts, professional mechanics, and construction workers who require a comprehensive set of durable and heavy-duty fasteners. If you often work on automotive repairs, machinery maintenance, or home improvement projects, this kit offers a versatile solution to keep your tasks running smoothly.
Pros:
- Includes a wide variety of Grade 8 bolts and nuts in multiple sizes ranging from 1/4-20 to 3/8-16 SAE hex bolts.
- Durable and heavy-duty construction ensures long-lasting performance under high stress.
- Bolts come in lengths from 1/2″ to 1-1/2″, providing flexibility for different applications.
- Attractive gold finish not only adds corrosion resistance but also improves identification.
- Comes in a well-organized assortment kit, making it easy to find the right size quickly.
Cons:
- The assortment kit may contain more sizes than needed for some users, leading to unused pieces.
- Gold coating may wear off with extensive use in harsh environments.
The FOLIV 523PCS Bolts and Nuts Assortment Kit is thoughtfully designed to provide a comprehensive selection of high-strength fasteners suitable for various mechanical and construction tasks. Each bolt is crafted from Grade 8 steel, known for its superior tensile strength and durability, making it perfect for applications requiring robust fastening solutions. The assortment includes common SAE hex bolt sizes, ensuring compatibility with a wide range of equipment and projects.
With lengths varying from 1/2″ to 1-1/2″, users can easily find the perfect bolt length for precise fastening needs. The gold finish adds an extra layer of protection against rust and corrosion, extending the lifespan of each fastener. Whether you’re assembling machinery or performing routine repairs, this kit offers convenience and reliability, reducing downtime and enhancing efficiency in your work. Overall, the FOLIV Bolts and Nuts Assortment Kit is a valuable addition to any toolbox for those seeking quality and versatility.
Besitu Hex Bolts And Nuts Assortment Kit

The Besitu 252Pcs Hex Bolts and Nuts Assortment Kit is ideal for DIY enthusiasts, professional mechanics, and home improvement hobbyists who require a versatile and reliable set of fasteners. If you often work on machinery, automotive repairs, or construction projects, this comprehensive assortment of 304 stainless steel machine screws, nuts, and washers is designed to meet your fastening needs with durability and precision.
Pros:
- Includes a wide variety of sizes: 1/4-20, 5/16-18, and 3/8-16, ensuring compatibility with many applications
- Made of corrosion-resistant 304 stainless steel for long-lasting performance
- Comes in a sturdy, organized case for easy storage and quick access
- Perfect assortment of bolts, nuts, and washers to complete your fastening projects
- High-quality manufacturing by Besitu ensures consistent strength and fit
Cons:
- May not include larger bolt sizes for heavy industrial use
- The case dimensions (Height: 1.38 inches, Width: 5.31 inches, Length: 7.68 inches) might be bulky for some users to carry around
The Besitu Hex Bolts and Nuts Assortment Kit features a meticulously selected range of machine screws, nuts, and washers crafted from high-grade 304 stainless steel. This ensures exceptional resistance to rust and corrosion, making it suitable for both indoor and outdoor applications. The assortment covers popular sizes including 1/4-20, 5/16-18, and 3/8-16, providing flexibility for various projects, whether you’re assembling furniture, repairing vehicles, or working on mechanical systems.
Thanks to the thoughtfully designed case, users can effortlessly organize and access the components, reducing downtime and enhancing efficiency. The robust construction of each bolt and nut guarantees a secure fit and lasting hold, which is critical for safety and performance in any fastening task. Overall, this kit offers a combination of convenience, durability, and versatility, making it an essential addition to any toolkit for professionals and hobbyists alike.
Mr. Pen Nuts And Bolts Assortment Kit

The Mr. Pen Nuts and Bolts Assortment Kit is ideal for professional mechanics, DIY enthusiasts, and anyone in need of a reliable and comprehensive set of fasteners. If you require a durable assortment of black carbon steel flange hex head nuts and bolts in various metric sizes for automotive, construction, or home repair projects, this kit is designed for you.
Pros:
- High-quality black carbon steel material ensures durability and resistance to wear
- Contains a comprehensive assortment of 272 pieces in multiple sizes (M6, M8, M10)
- Grade 10.9 strength rating for heavy-duty applications
- Includes convenient flange hex head design for better load distribution
- Compact packaging with dimensions of 1.6 x 6.0 x 8.0 inches for easy storage and transport
Cons:
- Limited to metric sizes, which may not suit all regional standards
- Black coating may wear off under extreme conditions
The Mr. Pen Nuts and Bolts Assortment Kit offers a versatile selection of bolts and nuts suitable for a wide range of applications. The use of grade 10.9 black carbon steel provides excellent tensile strength, making these fasteners ideal for both light and heavy-duty projects. The assortment covers key sizes from M6 to M10, ensuring you have the right fastener available for various repair or assembly tasks.
Additionally, the flange hex head design improves the stability of the connection by distributing pressure evenly, reducing the risk of damage to the material being fastened. This feature, combined with the compact and organized packaging, makes it easy to keep your workspace tidy while having quick access to the right components. Overall, this kit delivers a dependable and practical solution for anyone needing quality metric nuts and bolts in one convenient set.
Mr. Pen Nuts And Bolts Set

The Mr. Pen Nuts and Bolts Set is ideal for DIY enthusiasts, professional mechanics, and anyone who frequently works on assembling or repairing machinery and equipment. This set is perfect for those who need reliable, durable fasteners that can withstand regular use and offer ease of installation in various projects.
Pros:
- Made from high-quality stainless steel ensuring excellent corrosion resistance and long-lasting durability.
- Includes hex head nuts and bolts along with flat and lock washers for secure and stable fastening.
- Standard 1/4″-20×2-1/2 size fits a wide range of applications.
- Set contains 10 complete sets, providing ample quantity for multiple projects.
- Compact and easy-to-store dimensions make it convenient to keep in toolboxes or workstations.
Cons:
- Limited to one size, which may not suit projects requiring varied fastener sizes.
- Silver color may show dirt or wear more visibly compared to coated options.
The Mr. Pen Nuts and Bolts Set features precision-engineered hex head nuts and bolts made from robust stainless steel, offering exceptional strength and resistance to rust. The inclusion of both flat and lock washers ensures a secure fit that minimizes loosening due to vibration or movement, enhancing the reliability of your assemblies. With a standard size of 1/4″-20×2-1/2, this set covers many common fastening needs, making it a versatile choice for various repair and construction tasks.
Users benefit from the high-quality materials that provide longevity and consistent performance, reducing the need for frequent replacements. The compact dimensions of each component make handling and installation straightforward, even in tight spaces. Whether you are tightening machinery parts or building furniture, this set offers a dependable fastening solution that supports both professional and home projects effectively.
Bolts, Nuts, And Washer Assortment Kit

The Bolts, Nuts, and Washer Assortment Kit is ideal for DIY enthusiasts, professional mechanics, and anyone in need of a reliable and versatile fastening solution. Whether you are working on home repairs, automotive projects, or assembling furniture, this 120 pcs nuts and bolts assortment offers a comprehensive collection to meet various fastening needs. Its compact size and assortment variety make it perfect for both beginners and experienced users looking to keep essential hardware organized and readily available.
Pros:
- Includes a wide variety of 120 silver nuts, bolts, and washers for multiple applications
- Compact and portable kit size (6.0 x 4.0 x 0.7 inches) for easy storage and transport
- High-quality ALLWIN brand manufacturing ensures durability and reliability
- Silver finish offers corrosion resistance and a professional look
- Perfect for both professional and home use, covering diverse fastening requirements
Cons:
- Limited to silver color, which might not match all aesthetic preferences
- May not include specialized or larger-sized bolts for heavy-duty industrial projects
- Small parts may require careful handling to avoid loss
The ALLWIN Bolts, Nuts, and Washer Assortment Kit is designed to provide users with a versatile and comprehensive set of fastening components. With its 120 pieces, including various sizes of bolts, nuts, and washers, the kit covers a broad range of fastening needs, making it suitable for general repair and assembly tasks. The silver finish not only adds to the kit’s aesthetic appeal but also enhances its resistance to rust and corrosion, ensuring longevity and dependable performance.
The kit’s compact dimensions make it incredibly convenient to store and carry, allowing users to keep all essential hardware pieces organized in one place. This portability is particularly beneficial for professionals on the go or hobbyists who require quick access to different fasteners without the hassle of searching through multiple containers. Overall, this assortment kit combines quality, variety, and convenience, making it a valuable addition to any toolbox.
Kadrick Metric Screw Assortment

The Kadrick Metric Screw Assortment, 2000PCS Metric Bolt Assortment Kit is ideal for DIY enthusiasts, professional mechanics, and engineers who require a comprehensive set of high-quality metric screws and bolts for various machine assembly and repair projects. If you need a reliable, versatile, and durable assortment of fasteners, this kit is designed to meet your demanding needs.
Pros:
- Contains 2000 pieces including M2, M3, M4, and M5 machine screws with lock and flat washers for versatile applications.
- Made from Grade 10.9 alloy steel ensuring superior strength and durability.
- Hex socket button head black screws provide a sleek appearance and secure fastening.
- Compact dimensions (Height: 1.5 inches, Width: 5.5 inches, Length: 7.7 inches) make the kit easy to store and transport.
- Includes nuts and bolts that are corrosion-resistant, extending the lifespan of your projects.
Cons:
- Black finish might not be suitable for applications requiring stainless steel or rust-proof fasteners.
- May be overwhelming for casual users due to the large number of pieces and sizes included.
- Some users might prefer a more detailed compartment labeling for quicker access.
The Kadrick Metric Screw Assortment Kit offers an extensive variety of metric screws and bolts, making it an excellent investment for anyone working on mechanical assemblies or repair tasks. Its use of Grade 10.9 alloy steel ensures that each component delivers high tensile strength, which is crucial for maintaining the integrity of machines and devices under stress. The inclusion of both lock and flat washers enhances fastening security, preventing loosening due to vibrations or movement.
Designed with practicality in mind, the kit’s compact size allows for easy storage without sacrificing the quantity or variety of screws available. The hex socket button head design not only provides a professional and clean look but also facilitates easy tightening and loosening with compatible tools. Overall, the Kadrick kit is a dependable solution for professionals and hobbyists alike who demand quality, strength, and convenience in their fastener supplies.
Mr. Pen Nuts And Bolts Assortment Kit

The Mr. Pen- Nuts and Bolts Assortment Kit is ideal for DIY enthusiasts, professional mechanics, and anyone who frequently undertakes repair or assembly projects. This comprehensive kit is perfect for those who require a wide variety of stainless steel nuts and bolts in different sizes and types, ensuring they have the right fastener for any task.
Pros:
- Includes 900 pieces of assorted nuts, bolts, and washers for versatility
- Made from durable stainless steel for corrosion resistance and long-lasting use
- Features both Phillips and flat head bolts to suit various screwdrivers
- Compact dimensions (Height: 0.1 inches, Width: 2.0 inches, Length: 1.0 inches) make it easy to store and organize
- Silver color offers a professional and clean appearance
Cons:
- Assortment may contain sizes that are not always needed, requiring careful selection
- Small parts can be easy to misplace if not stored properly
The Mr. Pen Nuts and Bolts Assortment Kit boasts a large selection of high-quality, stainless steel fasteners, making it a reliable choice for various applications. The inclusion of both Phillips and flat head bolts ensures compatibility with different tools and project requirements. Its compact size and organized assortment make it convenient for storage and easy access, saving time during projects.
Additionally, the corrosion-resistant nature of the stainless steel components guarantees durability and performance in different environments, including outdoor and humid conditions. Whether you’re assembling furniture, fixing machinery, or carrying out automotive repairs, this kit provides the essential hardware needed to complete the job efficiently and professionally.
Mywish Nuts And Bolts Kit

The MYWISH 254Pcs Nuts and Bolts Kit is ideal for DIY enthusiasts, professional mechanics, and anyone needing a comprehensive collection of durable fastening hardware. If you frequently work on automotive repairs, furniture assembly, or general maintenance projects, this heavy-duty kit offers the versatility and strength required to get the job done efficiently.
Pros:
- Contains 254 pieces including nuts, bolts, flat washers, and spring washers in 10 common sizes
- Made from 304 stainless steel for enhanced corrosion resistance and durability
- Includes fully threaded bolts for secure fastening and versatility in different applications
- Wide size range covering 1/4-20, 5/16-18, and 3/8-16 bolts to suit various needs
- Silver finish provides a sleek look and helps prevent rust over time
Cons:
- May be overwhelming for users who only need a few specific sizes
- Not suitable for extremely high-torque industrial applications
The MYWISH Nuts and Bolts Kit stands out due to its extensive assortment and high-quality 304 stainless steel construction. This ensures that each component resists rust and maintains strength even in harsh environments, making it perfect for both indoor and outdoor projects. The inclusion of flat and spring washers improves fastening reliability by distributing pressure evenly and preventing loosening caused by vibrations.
Additionally, the fully threaded design of the bolts offers maximum grip and adaptability, allowing users to achieve tight and secure connections across various materials. Whether you are repairing machinery, assembling furniture, or conducting general maintenance, this kit provides the essential hardware needed for professional-grade results. The comprehensive selection of sizes ensures you have the right fastener on hand, reducing downtime and increasing efficiency during any project.
Frequently Asked Questions
What Sizes Are Included In Fastenal Bolts And Nuts Kits?
Fastenal kits include various sizes like M3, M4, M5, M6, M8, and standard SAE sizes. Lengths range from 12mm to 30mm or 1/2″ to 1-1/2″. This variety suits multiple projects and repairs, offering flexibility for machinery, automotive, and furniture needs.
Are Fastenal Nuts And Bolts Kits Made From Durable Materials?
Yes, these kits use heavy-duty materials such as Grade 8. 8 steel, stainless steel 304, and Grade 10. 9 carbon steel. They offer excellent corrosion resistance and strength, ensuring long-lasting performance in demanding applications.
Do Fastenal Kits Include Washers With Bolts And Nuts?
Most Fastenal kits come with assorted washers, including flat and lock washers. Washers help distribute load, prevent loosening, and protect surfaces, enhancing the reliability of your fastening projects.
Can Fastenal Bolt And Nut Assortments Fit Automotive Repairs?
Absolutely. Fastenal assortments feature sizes and grades suitable for automotive and motorcycle repairs. Their heavy-duty bolts and nuts meet the strength requirements needed for vehicle maintenance and assembly.
Are The Fastenal Bolt And Nut Kits Organized For Easy Use?
Yes, many kits come in sturdy cases with compartments. This organization simplifies identification, storage, and access, saving time during projects and ensuring you find the right fastener quickly.
What Applications Are Fastenal Bolts And Nuts Ideal For?
Fastenal bolts and nuts are perfect for machinery, furniture assembly, automotive repairs, and DIY projects. Their range of sizes and grades make them versatile for various fastening needs.
Conclusion
Choosing the right bolts and nuts makes any project easier and more reliable. Fastenal offers a wide variety of kits for different needs. From heavy-duty Grade 8. 8 sets to stainless steel assortments, you can find quality options for furniture, automotive, or machinery repairs.
Kits like Bonost’s 1380pcs and smseace’s 516pcs provide many sizes and types to cover most tasks. For those needing stainless steel or black carbon steel, Mr. Pen and MYWISH have strong, durable choices. Having an organized assortment kit helps save time and keeps your workspace tidy.
Whether you are a beginner or experienced, these Fastenal products bring convenience and quality. Investing in a good nuts and bolts kit means fewer trips to the store and better project results. Durable materials and varied sizes ensure you always have the right fit.
Fastenal bolts and nuts kits are practical solutions for everyday fixes.



