Looking for the best M4 hardware nuts for your project? We’ve got you covered with a selection of 10 top-quality, durable, and rust-resistant nuts perfect for any task.
M4 hardware nuts are essential for any project, big or small. Whether you’re fixing furniture, building a 3D printer, or working on an RC car, the right nut makes all the difference.
These tiny fasteners are strong, durable, and easy to use. They come in various materials like stainless steel and carbon steel, ensuring rust resistance and longevity.
List of Top 10 M4 Hardware Nuts
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Juvielich 100pcs M4-0.7 Hex Nut, 304 Stainless Steel, M4 x 0.7mm Tiny Nuts Fasteners, Hex Drive, Metric, Right Hand, Small Replacement Nut |
Juvielich 100pcs M4-0.7 Hex Nut is perfect for anyone who needs small, strong nuts for home repairs or DIY projects. These 304 stainless steel nuts are great for outdoor use and come in a handy storage case. |
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Yinpecly 100pcs M4-0.7 Hex Nut, Carbon Steel Grade 8.8, Black Oxide, M4x0.7mm Hex Drive, Metric Hexagon Hex Nut Black, Small Nuts Fasteners, Right Hand, M4 Replacement Nut |
Yinpecly 100pcs M4-0.7 Hex Nut is perfect for anyone who needs small, strong nuts for home repairs, furniture assembly, or automotive work. These black oxide nuts are easy to store and use, making them ideal for DIY projects and professional tasks. |
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ZQZ 300pcs M4-0.7mm Hex Nuts Stainless Steel Hardware Hexagon Nut Standard Metric Coarse Thread A2-70 |
This product is perfect for anyone who needs reliable, rustproof hardware for projects like furniture repair, car maintenance, or small DIY tasks. It’s easy to use and store, making it ideal for homeowners, mechanics, or hobbyists. |
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BinifiMux 40Pcs M4 x 0.7mm Stainless Steel Self-Lock Nylon Inserted 4mm Locking Nuts for 3D Printer, Furniture |
BinifiMux 40Pcs M4 Locking Nuts are perfect for 3D printer and furniture enthusiasts. These high-quality stainless steel nuts are easy to install and rust-proof, making them ideal for long-term projects. |
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100Pcs M4-0.7 Hex Nut Stainless Steel 304(18-8) Metric Hexagon Nut for Bolts, Bright Finish, Full Thread (M4) |
These M4 hex nuts are perfect for anyone who needs reliable, rust-resistant fasteners. Whether you’re a DIY enthusiast, professional repairman, or landlord, this 100-piece set offers durable, high-quality solutions for your projects. |
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M4 Locknuts 100PCS Metric Nylon Inserted Hex Lock Nuts Self-Lock Nylon Insert M4x0.7mm Carbon Steel Self Locking 7mm Hex Nut Driver Tiny Nut for RC Cars 3D Printer |
These M4 locknuts are perfect for anyone who needs small, durable nuts for DIY projects, repairs, or hobby work. Whether you’re fixing a wobbly chair, working on RC cars, or using a 3D printer, these self-locking nuts will keep things secure and tight. |
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M4 Serrated Flange Nuts Flanged Locknuts, Stainless Steel 18-8 (304), Black Oxide, 100 PCS |
These M4 Serrated Flange Nuts are perfect for anyone working with wood or in wet environments. They’re great for projects needing strong, rust-resistant fasteners. |
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100PCS M4 Locknuts Metric Nylon Inserted Hex Lock Nuts Self-Lock Nylon Insert M4x0.7mm 304 Stainless Steel Self Locking 7mm Hex Nut Driver Tiny Nut for RC Cars 3D Printer |
These M4 locknuts are perfect for hobbyists, professionals, and DIY enthusiasts. Whether you’re fixing a wobbly chair, repairing a household appliance, or working on RC cars and 3D printers, these nuts are reliable and easy to use. |
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100pcs M4-0.7 Hex Nuts, Carbon Steel, Black Oxide, M4 x 0.7mm Tiny Nuts, Hex Drive, Metric, Right Hand, 7mm Width, 3.2mm Height, Small Replacement Nut for RC Car 3D Printer |
These M4 hex nuts are perfect for anyone who needs small, strong nuts for DIY projects, RC cars, or 3D printers. They’re great for repairs and assembling parts at home or work. |
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ruthex M4 Threaded Inserts – 50 Pieces RX-M4x8.1 Brass Heat Set Insert for Plastic Parts – Metric knurled Nuts – Insert by Heat into 3D Printing Components |
These M4 threaded inserts are perfect for 3D printing enthusiasts who want to strengthen their plastic parts. They’re easy to use and work with many types of plastic, making them ideal for DIY projects. |
Detailed Reviews
Discover the top 10 M4 hardware nuts carefully selected for quality, durability, and value. Each product is expert-reviewed and backed by customer feedback, ensuring you find the perfect fit for your projects. Whether you need rust-resistant stainless steel or strong carbon steel, this guide has you covered. Dive in to find the best M4 nuts for your needs and make your next project a success.
1. Juvielich 100pcs M4-0.7 Hex Nut, 304 Stainless Steel, M4 x 0.7mm Tiny Nuts Fasteners, Hex Drive, Metric, Right Hand, Small Replacement Nut

Get 100 high-quality M4 hex nuts made from 304 stainless steel. These tiny fasteners are perfect for outdoor use and general assembly.
They’re strong, rust-resistant, and come in a handy storage case. Use them for home repairs, electronics, or automotive projects.
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Perfect For:
Juvielich 100pcs M4-0.7 Hex Nut is perfect for anyone who needs small, strong nuts for home repairs or DIY projects. These 304 stainless steel nuts are great for outdoor use and come in a handy storage case.
Ready to Purchase?
2. Yinpecly 100pcs M4-0.7 Hex Nut, Carbon Steel Grade 8.8, Black Oxide, M4x0.7mm Hex Drive, Metric Hexagon Hex Nut Black, Small Nuts Fasteners, Right Hand, M4 Replacement Nut

Yinpecly M4 Hex Nuts are strong and durable, made from carbon steel with a black oxide finish. They come in a handy clear case, making storage and use simple and organized. These small nuts are easy to install and perfect for various projects.
These M4 nuts are widely used in home repairs and construction, ideal for furniture assembly and automotive fixes. Their metric sizing and right-hand threading ensure a secure fit every time.
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Perfect For:
Yinpecly 100pcs M4-0.7 Hex Nut is perfect for anyone who needs small, strong nuts for home repairs, furniture assembly, or automotive work. These black oxide nuts are easy to store and use, making them ideal for DIY projects and professional tasks.
Ready to Purchase?
3. ZQZ 300pcs M4-0.7mm Hex Nuts Stainless Steel Hardware Hexagon Nut Standard Metric Coarse Thread A2-70

ZQZ 300pcs M4-0.7mm Hex Nuts are made of high-quality 304 stainless steel. They are rustproof, strong, and reusable.
These nuts are easy to store in a clear case. They are smooth and safe to handle.
Use them for furniture, cars, or machinery. They are versatile and easy to install.
| Pros | Cons |
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Perfect For:
This product is perfect for anyone who needs reliable, rustproof hardware for projects like furniture repair, car maintenance, or small DIY tasks. It’s easy to use and store, making it ideal for homeowners, mechanics, or hobbyists.
Ready to Purchase?
4. BinifiMux 40Pcs M4 x 0.7mm Stainless Steel Self-Lock Nylon Inserted 4mm Locking Nuts for 3D Printer, Furniture

BinifiMux 40Pcs M4 Lock Nuts are perfect for 3D printers and furniture. Each pack includes 40 stainless steel nuts and a plastic storage case.
These nuts are rust-proof, tough, and durable. They fit DIN985 standards and work with 8mm hex spanners.
Installation is quick and easy. Just thread them onto bolts or screws. Enjoy reliable fastening with BinifiMux quality.
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Perfect For:
BinifiMux 40Pcs M4 Locking Nuts are perfect for 3D printer and furniture enthusiasts. These high-quality stainless steel nuts are easy to install and rust-proof, making them ideal for long-term projects.
Ready to Purchase?
5. 100Pcs M4-0.7 Hex Nut Stainless Steel 304(18-8) Metric Hexagon Nut for Bolts, Bright Finish, Full Thread (M4)

100Pcs M4-0.7 Hex Nut is made of high-quality 304 stainless steel. It resists rust, corrosion, and high temperatures.
These nuts are durable and long-lasting. They are perfect for repairs and DIY projects.
The 100-piece pack offers great value. Use them for professional or home tasks with ease.
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Perfect For:
These M4 hex nuts are perfect for anyone who needs reliable, rust-resistant fasteners. Whether you’re a DIY enthusiast, professional repairman, or landlord, this 100-piece set offers durable, high-quality solutions for your projects.
Ready to Purchase?
6. M4 Locknuts 100PCS Metric Nylon Inserted Hex Lock Nuts Self-Lock Nylon Insert M4x0.7mm Carbon Steel Self Locking 7mm Hex Nut Driver Tiny Nut for RC Cars 3D Printer

M4 Locknuts are small but strong, perfect for tight spaces. They come in a handy plastic box, so you can grab them easily. Each nut is coated for extra protection against rust.
These nuts are made from premium carbon steel, ensuring they last long. The nylon insert keeps them locked tight, even with lots of movement.
Use them for DIY projects, fixing furniture, or even RC cars. They’re versatile and ready for any task you throw at them.
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Perfect For:
These M4 locknuts are perfect for anyone who needs small, durable nuts for DIY projects, repairs, or hobby work. Whether you’re fixing a wobbly chair, working on RC cars, or using a 3D printer, these self-locking nuts will keep things secure and tight.
Ready to Purchase?
7. M4 Serrated Flange Nuts Flanged Locknuts, Stainless Steel 18-8 (304), Black Oxide, 100 PCS

M4 Serrated Flange Nuts are made of high-quality stainless steel, offering strong resistance to chemicals and corrosion. Each pack includes 100 pieces, perfect for various projects.
These black oxide-finished nuts are ideal for wood and wet environments. They have a thread diameter of M4 and a flange diameter of 9.1mm. The serrated design ensures a secure and tight fit.
Use them for reliable locking in any metric system. The 18-8 stainless steel ensures long-lasting durability. Perfect for DIY or professional use.
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Perfect For:
These M4 Serrated Flange Nuts are perfect for anyone working with wood or in wet environments. They’re great for projects needing strong, rust-resistant fasteners.
Ready to Purchase?
8. 100PCS M4 Locknuts Metric Nylon Inserted Hex Lock Nuts Self-Lock Nylon Insert M4x0.7mm 304 Stainless Steel Self Locking 7mm Hex Nut Driver Tiny Nut for RC Cars 3D Printer

These M4 locknuts are perfect for small projects. They are made of 304 stainless steel, ensuring durability and corrosion resistance. Each nut has a nylon insert that prevents loosening, making them reliable for various tasks.
You get 100 pieces in a plastic box, making storage easy. The small size (M4 thread, 7mm hex width) is ideal for RC cars and 3D printers. They are also great for DIY projects and repairs.
These nuts are versatile and easy to use. Whether fixing furniture or working on machinery, they provide a secure hold. Their quality and affordability make them a must-have for any toolkit.
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Perfect For:
These M4 locknuts are perfect for hobbyists, professionals, and DIY enthusiasts. Whether you’re fixing a wobbly chair, repairing a household appliance, or working on RC cars and 3D printers, these nuts are reliable and easy to use.
Ready to Purchase?
9. 100pcs M4-0.7 Hex Nuts, Carbon Steel, Black Oxide, M4 x 0.7mm Tiny Nuts, Hex Drive, Metric, Right Hand, 7mm Width, 3.2mm Height, Small Replacement Nut for RC Car 3D Printer

M4 Hex Nuts are perfect for small projects like RC cars and 3D printers. Made of carbon steel with a black oxide finish, they resist rust and provide strong protection.
These 100-piece sets come in a handy storage case. They work with hand tools and air ratchets, making them easy to use.
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Perfect For:
These M4 hex nuts are perfect for anyone who needs small, strong nuts for DIY projects, RC cars, or 3D printers. They’re great for repairs and assembling parts at home or work.
Ready to Purchase?
10. ruthex M4 Threaded Inserts – 50 Pieces RX-M4x8.1 Brass Heat Set Insert for Plastic Parts – Metric knurled Nuts – Insert by Heat into 3D Printing Components

Ruthex M4 Threaded Inserts are perfect for 3D printed parts. They easily fit into plastics like PLA, PETG, and ABS using heat or ultrasound.
These brass inserts are lead-free and durable. They hold firmly, resist corrosion, and can be reused.
Each set includes 50 pieces, each 8.1 mm long. They’re ideal for strengthening 3D printing components.
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Perfect For:
These M4 threaded inserts are perfect for 3D printing enthusiasts who want to strengthen their plastic parts. They’re easy to use and work with many types of plastic, making them ideal for DIY projects.
Ready to Purchase?
Buying Guide
M4 hardware nuts are small but mighty, perfect for any project. Whether you’re fixing furniture or building a 3D printer, the right nut makes all the difference. Choose wisely to ensure strength, durability, and ease of use.
Factors to Consider When Buying M4 Hardware Nuts:
– Material: Pick stainless steel for rust resistance or carbon steel for strength. Both are durable but suit different needs.
– Finish: A black oxide finish adds extra protection against rust, while a bright finish looks sleek.
– Quantity: Buy in bulk (100-300 pieces) for value or smaller packs for specific projects.
– Storage: Look for handy cases to keep nuts organized and easy to access.
– Type: Choose hex nuts for general use, locknuts for secure fastening, or flange nuts for added stability.
– Thread Size: Ensure the M4 x 0.7mm size fits your bolts or screws for a perfect match.
– Application: Consider outdoor use, electronics, or automotive projects to pick the right material and finish.
– Brand: Trusted brands offer quality and reliability, ensuring nuts last longer.
– Price: Balance cost with quality to get the best value for your needs.