Tired of dealing with rust-prone bolts and mismatched nuts?
Discover our premium 304 stainless steel bolt sets, offering unmatched strength, corrosion resistance, and smart storage solutions for all your projects.
Tired of rust-prone bolts or mismatched nuts? Meet your new go-to solution: the stainless steel bolt sets designed to outlast and outperform. These kits pack strength, durability, and convenience into one box.
Crafted from premium 304 stainless steel, these fasteners resist corrosion and weather the toughest conditions. Whether fixing machinery, building furniture, or tackling DIY projects, the right bolt is always within reach. No more hunting for parts—every size and配套 washer is organized and ready.
Need rust-proof strength? Check. Countless sizes? Done. Smart storage? Included. These kits turn chaos into order, saving time and headaches. Your next project deserves a flawless, lasting finish—start now.
List of Top 10 Replace Bolts With Stainless Steel Set
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Kadrick 744Pcs 18-8(304) Stainless Steel Hex Bolts Assortment,1/4-20 5/16-18 3/8-16 Heavy Duty Bolts and Nuts Kit, Assorted SAE Bolts Nuts Flat&Lock Washers,Lenth Form 1/2”-2” |
This Kadrick 744-piece bolt assortment is perfect for DIY enthusiasts, mechanics, and homeowners who need a reliable and comprehensive set of heavy-duty fasteners for any project. It’s ideal for anyone who values durability, convenience, and rust resistance in their tools. |
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Besitu 252Pcs Hex Bolts and Nuts Assortment Kit, 1/4-20, 5/16-18, 3/8-16 Assorted Bolts Nuts and Washers Kit, 304 Stainless Steel Machine Screw Sets with Case |
This kit is perfect for DIYers, homeowners, or mechanics needing a reliable, corrosion-resistant hardware set. 252 pieces in 10 common sizes fit cars, boats, appliances, or home projects. Stainless steel strength and organized storage make it a time-saving, budget-friendly choice. |
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Fgruh 1220PCS M3 M4 M5 M6 Metric Screws Assortment Kit,Hex Socket Head Cap Bolts Nuts and Washers Assorted Kit,304 Stainless Steel Hardware Set for DIY, 3D Printer |
This 1220-piece Fgruh M3-M6 screw assortment is perfect for DIY enthusiasts, hobbyists, and anyone who loves to tinker and build. If you’re working on 3D printers, RC models, or just need to fix things around the house, this kit has you covered! |
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mankk 312PCS Hex Bolts and Nuts Assortment Kit,4 Sizes (1/4-20,5/16-18,3/8-16,1/2-13″) 304 Stainless Steel Hex Bolts and Nuts Washers Kit Hardware Screws Set Flat & Spring Lock Washers |
This kit is perfect for DIYers, mechanics, and builders. It offers 312 durable 304 stainless steel bolts, nuts, and washers in 14 sizes, all stored in a handy, labeled box for easy access and reuse. |
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Fgruh 358PCS Machine Screws and Nuts Assortment Kit, #6-32#8-32#10-24 Phillips Pan Head Bolts Assorted, 304 Stainless Steel Nuts Bolts and Flat Washers Set |
This 358-piece machine screw and nut kit is perfect for DIY enthusiasts and professionals who need reliable, rust-resistant fasteners for indoor and outdoor projects. Whether fixing appliances, bikes, or furniture, this organized set makes repairs and installations easy. |
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Mywish 448PCS M5 M6 M8 Screw Set, Metric Bolt Assortment, 304 Stainless Steel, Nuts and Bolts Set Flat & Spring Washers, Hex Head Cap Screws Bolts and Nuts Kit, Fully Thread |
This 448-piece screw set is perfect for DIY enthusiasts, homeowners, and professionals who need a reliable and organized assortment of metric bolts. It’s ideal for repairs, projects, and precision work. |
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1575 PCS Nuts and Bolts Assortment Kit, Stainless Steel Phillips Pan Head & Flat Head Screws, Assorted Nuts Bolts Washers with Double Sided Organizer Box |
This kit is perfect for homeowners and DIY enthusiasts who need a reliable, rust-resistant fastener set. The double-sided organizer box and variety of sizes make it easy to tackle repairs, crafts, or projects without hassle. |
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Taiss Hex Bolts and Nuts Assortment 1/4-20,5/16-18,3/8-16,1/2-13(1/2″ to 2-1/2″) 304 Stainless Steel Nuts and Bolts Assortment Kit Heavy Duty Machine Screw Sets,732PCS Assorted Bolt Nut & Washers Kit |
This 732-piece Taiss Hex Bolts and Nuts Assortment Kit is perfect for DIY enthusiasts, mechanics, and anyone tackling heavy-duty projects. It’s your go-to solution for repairs and maintenance on everything from automobiles to lawn equipment, ensuring you have the right 304 stainless steel fasteners for the job. |
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Mr. Pen- Nuts and Bolts Assortment Kit, 810 pcs, Stainless Steel, M3 M4 M5 M6 Button Head Socket Cap Screws Assorted Nuts and Bolts, Nut Bolt and Washer Assortment, Bolt and Nut Assortment |
Mr. Pen’s Nuts and Bolts Assortment Kit is perfect for DIY enthusiasts, homeowners, and professionals who need a reliable and versatile fastening solution. Whether you’re working on automotive repairs, construction projects, or home improvements, this kit has you covered with its durable, rust-resistant stainless steel fasteners. |
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Fgruh 260PCS Hex Bolts and Nuts Assortment Kit,1/4-20, 5/16-18, 3/8-16 Hex Head Bolt Nut and Flat & Spring Washers Assorted,304 Stainless Steel, Fully Threaded |
This 260-piece hex bolt and nut kit is perfect for anyone who needs reliable fasteners for home repairs, DIY projects, or professional work. Whether you’re fixing appliances, working on machinery, or tackling outdoor tasks, this stainless steel kit has you covered. |
Detailed Reviews
Discover the top 10 stainless steel bolt sets handpicked for quality and value. Each set is rust-resistant and built to last, perfect for any project. Find the best fit for your needs and upgrade your toolkit today!
1. Kadrick 744Pcs 18-8(304) Stainless Steel Hex Bolts Assortment,1/4-20 5/16-18 3/8-16 Heavy Duty Bolts and Nuts Kit, Assorted SAE Bolts Nuts Flat&Lock Washers,Lenth Form 1/2”-2”

Get ready for the Kadrick 744-Piece Bolt Assortment! This set has everything you need for any project. It’s packed with heavy-duty bolts, nuts, and washers.
Crafted from premium 18-8 (304) stainless steel, these fasteners are built to last. They resist rust and corrosion, ensuring durability.
This versatile kit is perfect for DIY, repairs, and equipment maintenance. It even comes in a convenient storage box!
| Pros | Cons |
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Perfect For:
This Kadrick 744-piece bolt assortment is perfect for DIY enthusiasts, mechanics, and homeowners who need a reliable and comprehensive set of heavy-duty fasteners for any project. It’s ideal for anyone who values durability, convenience, and rust resistance in their tools.
Ready to Purchase?
2. Besitu 252Pcs Hex Bolts and Nuts Assortment Kit, 1/4-20, 5/16-18, 3/8-16 Assorted Bolts Nuts and Washers Kit, 304 Stainless Steel Machine Screw Sets with Case

The Besitu 252Pcs Hex Bolts and Nuts Assortment Kit includes 10 SAE sizes like 1/4″-20, 5/16″-18, and 3/8″-16. It has 252 pieces total, with bolts, nuts, and washers for common repair or build jobs. Sizes range from 3/4″ to 2-1/2″ lengths, covering most home or vehicle needs.
All parts are made of 304 stainless steel and fully threaded for strength and rust resistance. They work well in wet areas or outdoor setups. This kit saves time and money vs. buying parts separately.
The set comes in a reusable plastic container with labeled compartments. Find sizes fast using the inside and outside size chart.
| Pros | Cons |
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Perfect For:
This kit is perfect for DIYers, homeowners, or mechanics needing a reliable, corrosion-resistant hardware set. 252 pieces in 10 common sizes fit cars, boats, appliances, or home projects. Stainless steel strength and organized storage make it a time-saving, budget-friendly choice.
Ready to Purchase?
3. Fgruh 1220PCS M3 M4 M5 M6 Metric Screws Assortment Kit,Hex Socket Head Cap Bolts Nuts and Washers Assorted Kit,304 Stainless Steel Hardware Set for DIY, 3D Printer

This Fgruh 1220PCS Metric Screw Kit includes M3, M4, M5, and M6 screws. It is made with high-quality 304 stainless steel.
The kit is perfect for DIY projects. It works well for 3D printing, electronics, and RC models. You can also use it for repairs and CNC machinery.
It comes in an organized storage box. The box has clear labels for easy access. Keep your workspace clean and tidy while working.
| Pros | Cons |
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Perfect For:
This 1220-piece Fgruh M3-M6 screw assortment is perfect for DIY enthusiasts, hobbyists, and anyone who loves to tinker and build. If you’re working on 3D printers, RC models, or just need to fix things around the house, this kit has you covered!
Ready to Purchase?
4. mankk 312PCS Hex Bolts and Nuts Assortment Kit,4 Sizes (1/4-20,5/16-18,3/8-16,1/2-13″) 304 Stainless Steel Hex Bolts and Nuts Washers Kit Hardware Screws Set Flat & Spring Lock Washers

The mankk 312PCS Hex Bolts and Nuts Assortment Kit includes 14 different sizes of bolts, nuts, washers, and lock washers. It has 304 stainless steel parts for long-lasting use. The kit is rust-resistant and strong, perfect for many projects.
This set comes in a portable tool box with movable partitions for easy storage. Each size is clearly labeled for quick access. The all-thread design ensures stability and safety in every use.
Use this kit for home repairs, DIY projects, or industrial work. It’s versatile and ready to go whenever you need it.
| Pros | Cons |
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Perfect For:
This kit is perfect for DIYers, mechanics, and builders. It offers 312 durable 304 stainless steel bolts, nuts, and washers in 14 sizes, all stored in a handy, labeled box for easy access and reuse.
Ready to Purchase?
5. Fgruh 358PCS Machine Screws and Nuts Assortment Kit, #6-32#8-32#10-24 Phillips Pan Head Bolts Assorted, 304 Stainless Steel Nuts Bolts and Flat Washers Set

The Fgruh 358PCS Machine Screws and Nuts Assortment Kit is your go-to solution for all fastening needs. Made from high-quality 304 stainless steel, these screws and nuts resist rust and corrosion, ensuring long-term durability.
Eight common sizes are included, from #6-32 to #10-24, with lengths ranging from 1/4″ to 1″. Each screw pairs perfectly with a nut and washer, making it easy to find the right fit for any project.
This kit is versatile and easy to use, ideal for indoor and outdoor repairs. The organized storage box keeps everything tidy, so you can work faster and smarter.
| Pros | Cons |
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Perfect For:
This 358-piece machine screw and nut kit is perfect for DIY enthusiasts and professionals who need reliable, rust-resistant fasteners for indoor and outdoor projects. Whether fixing appliances, bikes, or furniture, this organized set makes repairs and installations easy.
Ready to Purchase?
6. Mywish 448PCS M5 M6 M8 Screw Set, Metric Bolt Assortment, 304 Stainless Steel, Nuts and Bolts Set Flat & Spring Washers, Hex Head Cap Screws Bolts and Nuts Kit, Fully Thread

Mywish 448PCS Screw Set includes M5, M6, M8 bolts, nuts, and washers. All parts are made of 304 stainless steel for strength and rust resistance. A clear storage box holds everything with labeled sections.
This set works for machines, electronics, furniture, or DIY projects. Sizes range from 16mm to 30mm for flexible use.
Weak magnetic properties are normal for 304 steel. Contact Mywish for help if issues arise.
| Pros | Cons |
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Perfect For:
This 448-piece screw set is perfect for DIY enthusiasts, homeowners, and professionals who need a reliable and organized assortment of metric bolts. It’s ideal for repairs, projects, and precision work.
Ready to Purchase?
7. 1575 PCS Nuts and Bolts Assortment Kit, Stainless Steel Phillips Pan Head & Flat Head Screws, Assorted Nuts Bolts Washers with Double Sided Organizer Box

Tackle any project with this massive 1575-piece nuts and bolts assortment kit. It features both Phillips pan head and flat head screws in a variety of common SAE sizes. Everything you need is in one place.
Crafted from premium 304 stainless steel, these fasteners resist rust and corrosion. Each screw comes with a perfectly matched nut and washer for a complete and reliable connection. They are built to last.
This kit comes in a handy double-sided organizer box. It keeps everything neat and easy to find. Get ready to build and fix with confidence!
| Pros | Cons |
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Perfect For:
This kit is perfect for homeowners and DIY enthusiasts who need a reliable, rust-resistant fastener set. The double-sided organizer box and variety of sizes make it easy to tackle repairs, crafts, or projects without hassle.
Ready to Purchase?
8. Taiss Hex Bolts and Nuts Assortment 1/4-20,5/16-18,3/8-16,1/2-13(1/2″ to 2-1/2″) 304 Stainless Steel Nuts and Bolts Assortment Kit Heavy Duty Machine Screw Sets,732PCS Assorted Bolt Nut & Washers Kit

This Taiss Hex Bolts and Nuts Assortment has 732 pieces. It comes in a hand-held box. The box is easy to carry and store.
The kit includes 16 sizes of hex bolts, nuts, and washers. All pieces are made of 304 stainless steel.
It is rust-proof and strong. This kit is good for DIY projects, cars, and machines.
| Pros | Cons |
|---|---|
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Perfect For:
This 732-piece Taiss Hex Bolts and Nuts Assortment Kit is perfect for DIY enthusiasts, mechanics, and anyone tackling heavy-duty projects. It’s your go-to solution for repairs and maintenance on everything from automobiles to lawn equipment, ensuring you have the right 304 stainless steel fasteners for the job.
Ready to Purchase?
9. Mr. Pen- Nuts and Bolts Assortment Kit, 810 pcs, Stainless Steel, M3 M4 M5 M6 Button Head Socket Cap Screws Assorted Nuts and Bolts, Nut Bolt and Washer Assortment, Bolt and Nut Assortment

Meet the Mr. Pen Nuts and Bolts Assortment Kit! It’s a huge set of 810 pieces made from tough stainless steel. This kit is your go-to for all sorts of fixing jobs.
You’ll find bolts, nuts, and washers all neatly packed. They are strong, won’t rust, and are perfect for any project you have in mind.
| Pros | Cons |
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Perfect For:
Mr. Pen’s Nuts and Bolts Assortment Kit is perfect for DIY enthusiasts, homeowners, and professionals who need a reliable and versatile fastening solution. Whether you’re working on automotive repairs, construction projects, or home improvements, this kit has you covered with its durable, rust-resistant stainless steel fasteners.
Ready to Purchase?
10. Fgruh 260PCS Hex Bolts and Nuts Assortment Kit,1/4-20, 5/16-18, 3/8-16 Hex Head Bolt Nut and Flat & Spring Washers Assorted,304 Stainless Steel, Fully Threaded

The Fgruh 260PCS Hex Bolts and Nuts Assortment Kit includes 1/4-20, 5/16-18, 3/8-16 sizes in 10 common lengths. It has bolts, nuts, flat & spring washers for any project. The kit comes in a clear divided plastic case for easy storage.
Made of 304 stainless steel, these bolts resist rust and corrosion even in wet areas. The fully threaded design and hex heads ensure a strong, precise grip for secure fastening.
Use this kit for home maintenance, machinery repairs, or DIY tasks. It works for trucks, appliances, or outdoor builds. The organized case keeps parts neat and easy to find.
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Perfect For:
This 260-piece hex bolt and nut kit is perfect for anyone who needs reliable fasteners for home repairs, DIY projects, or professional work. Whether you’re fixing appliances, working on machinery, or tackling outdoor tasks, this stainless steel kit has you covered.
Ready to Purchase?
Buying Guide
Tired of rust-prone bolts? Switch to stainless steel sets for lasting strength and ease.
- Material Quality: 304 stainless steel resists rust and corrosion, ensuring long-term use. It’s ideal for harsh conditions or outdoor projects.
- Size Range: Look for kits with SAE and metric sizes (like 1/4-20 or M3-M8) for broad use. More sizes mean fewer trips to the store.
- Storage Solutions: Sets with labeled compartments or portable cases keep parts tidy. Easy access saves time during repairs or builds.
- Corrosion Resistance: Stainless steel won’t pit or weaken in wet areas. Perfect for plumbing, machinery, or coastal climates.
- Application Fit: Choose kits tailored to your work—DIY furniture, electronics, or machinery. Some include flat/spring washers for added stability.
- Quantity: Bigger kits (700+ pieces) suit frequent users. Smaller sets handle quick fixes without clutter.