The Best 4Mm Nut of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 4Mm Nut of 2025. Check our ranking below.
2,474 Reviews Scanned
Rank No. #1
BinifiMux 40Pcs M4 x 0.7mm Stainless Steel Self-Lock Nylon Inserted 4mm Locking Nuts for 3D Printer, Furniture
- [Package] Contains 40 pieces M4-0.7mm lock nuts,coming with one plastic storage case which perfect for store for long time usage
- [Dimensions] The thread is metric 4mm with 0.7mm pitch and a total height of 5mm, hex height is about 2.9mm, angle to angle distance is 7.7mm, fit 8mm hex spanner, you could check size details by picture 2 more clearly, overall m4 nylon inserted lock nut fit DIN985 standard
- [High-Quality Stainless Steel] Crafted from high-quality stainless steel with plain finish, this nylock nut is rust-proof, tough, and durability
- [Easy Installation] This binifiMux lock nut is easy to install on screw ends for fastening bolts/ screws by thread inserted into nylon part
- [Warranty and Service] Committed to best service to you if you have issues about units
Rank No. #2
ZQZ 145 PCS Assorted Stainless Steel Hex Nuts Assortment Kit M3 M4 M5 M6 M8 M10 M12 Metric Hex Nut Set Hardware
- Metric nut kit are available in sizes: M3 (45 pcs), M4 (30 pcs), M5 (26 pcs), M6 (22 pcs), M8 (9 pcs), M10 (9 pcs), M12 (4pcs), 145 pieces in total. 7 different sizes to meet your needs in different scenarios
- 304 Stainless Steel Hex Nut: Stainless steel hex nuts are made of high-quality 304 stainless steel and have a long service life. They are rust-proof, corrosion-resistant, and sturdy. The spiral pattern and polishing process ensure a smooth surface that won't scratch your hands
- Convenient Storage: Hexagon nuts(7 different size) are arranged to the size and placed in a transparent storage box with size label, to prevent loss or mixing
- Wide Application: Hardware nuts are used to secure components, link pipes and structural elements. It can be widely used in all kinds of precision machinery, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc
- Attentive Service: Thank you for your support. If you have any questions about the hex nuts, please tell us. (NOTE: Do not over-tighten your hex nuts.)
Rank No. #3
100Pcs M4-0.7 Hex Nut Stainless Steel 304(18-8) Metric Hexagon Nut for Bolts, Bright Finish, Full Thread (M4)
- Dimension:M4
- 304(18-8) STAINLESS STEEL :These hex nut made of high quality 304 stainless steel. High temperature, corrosion and rust resistance. High quality stainless steel also ensures the durability of the screw,which can be used for a long time without frequent replacement.
- What you will get:package include 100pcs stainless steel 18-8 M4 Hex nut,enough quantity hex nuts for your reparing work.
- Wide applications:These Hex Nuts Assortment Kit Serves a wide range of use and for professionals, amateurs, landlords, repairmen, other craft DIY . These screws nut are perfect to replace broken and missing hexagonal nut.
- After service:if any problems with our hex nuts,please contact with us for a solution.
Rank No. #4
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
- M4 Hex Nuts Size - Thread Size: M4; Pitch Size: 0.7mm; Measurement System: Metric; Hex Height: 3.2mm; Hex Width: 7mm; Dimensional Standards:DIN934
- 304 Stainless Steel - Our M4-0.7 hex nuts is made of good quality 304 Stainless Steel, can provides strength and great protection, good for outdoor use
- Bulk Quantity Hex Nuts - You will get 100 pieces standard hex nuts with a plastic storage case, with good thread; Great replacement nuts are used in the general assembly of components
- Small Hex Nuts - Standard hex nuts screw onto male-threaded parts in non-locking applications; Compatible with most kinds of hand tool torque wrench or air ratchet
- M4 Replacement Nuts - Widely used in home and construction, fully threaded nuts are often used in the general assembly of components, more suitable for toy electronic equipment assembly automotive repair
Rank No. #5
M4-0.7 (100 Pack) Hex Head Nuts, Black Oxide 304 Stainless Steel 18-8 Hexagon Nuts, Hex Drive, Standard Inch Coarse Thread
- [PRODUCT SIZE] Inside Diameter: 4mm
- [DURABLE AND CORROSION RESISTANT] Our hex nuts made of high-quality 304 Stainless Steel, which is superior to regular steel and has higher corrosion resistance than ordinary washers. It has longer service life, not easy to damage, more solid in bad environments
- [VALUE PACKAGING] This package contains 100 pcs nuts, it storages in a plastic box. You can get your work done easily and qucikly. They are ideal for use at home, in the office or at work.
- [APPLICATIONS] Hex nuts are used to secure threaded bolts and screws in place, providing strong clamping force, preventing loosening under vibration, and ensuring a stable, reliable assembly.
- [INTIMATE SERVICE] We focus on customer satisfaction, if you have any questions or are not satisfied, you can contact us by email, we will solve all your problems as soon as possible.
Rank No. #6
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 Size - Thread Size: M4; Pitch Size: 0.7mm; Measurement System: Metric; Hex Height: 3.2mm; Hex Width: 7mm; Dimensional Standards:GB6170-86
- Carbon Steel - Our M4-0.7 hex nuts is made of good quality Carbon Steel, can provides strength and great protection, Due to the black oxide finish these nuts have a thin oil coating to prevent rusting
- Bulk Quantity Hex Nuts - You will get 100 pieces standard hex nuts with a plastic storage case, with good thread; Great replacement nuts are used in the general assembly of components
- Small Hex Nuts - Standard hex nuts screw onto male-threaded parts in non-locking applications; Compatible with most kinds of hand tool torque wrench or air ratchet
- M4 Replacement Nuts - Widely used in home and construction, fully threaded nuts are often used in the general assembly of components, more suitable for toy electronic equipment assembly automotive repair
Rank No. #7
ZQZ 300pcs M4-0.7mm Hex Nuts Stainless Steel Hardware Hexagon Nut Standard Metric Coarse Thread A2-70
- Package Content: 300 piece M4-0.7mm standard metric coarse thread nut made of 304 (A2-70) stainless steel
- High-Quality: Hex nuts are made of high quality 304 (A2-70) stainless steel, rustproof, corrosion-resistant, strong, will not twist or deform, and can be reused.with the spiral pattern is clear,the polishing process, the surface is smooth, no worry about scratching your hands
- Convenient storage: Metric hardware nuts are individually stowed by type in an easy to carry clear case.easy to store and use,so that the hex nuts will not be lost or mixed up during use
- Wide Application: The advantages of hex nut as a kind of anti-loosening tightening nut are widely used in industrial production. It is suitable for use or maintenance in a wide range of fields such as furniture decoration, automobile repair, machinery industry and small repair shops, construction and so on
- Easy Use: Hex nuts are versatile and can be used in a variety of applications. hexagonal nuts have a relatively strong tightening force and are easy to install and use with the right parts and the right spanner
Rank No. #8
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
- Small Nuts Size - Thread: M4; Pitch: 0.7mm; Total Height: 5mm; Hex Width: 7mm
- Bulk Quantity - You will get 100pcs M4 nylon inserted hex lock nuts storaged in a plastic box, making it easy to access the right size when needed, whether you're a hobbyist or a seasoned professional
- Premium Carbon Steel - M4 Nylon insert lock nuts crafted from top-tier carbon steel with black zinc coated, offering durability, corrosion resistance, and reliability
- Self-Locking Nylon Insert - Nylon insert designed to snugly fit against fasteners, preventing any risk of loosening during use, whether you're working on a project that involves severe shaking or you tend to tighten things, these lock nuts have your back
- Versatile Adaptation Scenarios - They are great for replacing broken or missing nuts in various scenarios; Whether you need to fix that wobbly chair, repair a household appliance, or even get your hands dirty with DIY projects, these lock nuts are up for the challenge; They are also widely used in industries, workshops, engineering machinery, ships, and even handicrafts
Rank No. #9
Vifmy 130 Pcs Metric Hex Nuts Assortment Kit, M3 M4 M5 M6 M8 M10 M12 Assorted Hardware Nuts Sets, 304 Stainless Steel Standard Nut
- Metric Nuts Size: Metric nut kit are available in sizes:M3(50 pcs),M4(20 pcs),M5(20 pcs),M6(18 pcs),M8(8 pcs),M10(6 pcs) M12(8 pcs),130 pieces in total. 7 different sizes to meet your needs in different scenarios
- Stainless Steel Hex Nut: Assorted standard metric threaded hex nuts is made of high-quality 304(18-8)stainless steel, rust-proof, corrosion resistance, sturdy, will not twist or deform, and has a long service life.With the spiral pattern is clear ，the polishing process, the surface is smooth, no worry about scratching your hands
- Convenient storage: Each of the 7 different sizes of metric nuts are individually stowed by type in an easy to carry clear case.Easy to store and use,so that the hex nuts will not be lost or mixed up during use
- Wide Application: Common uses for hardware nuts include securing instrument and equipment components, linking pipes and structural elements.Suitable for use or maintenance in a wide range of applications such as furniture decoration, automotive repair, the mechanical industry and small repairsaround shops, construction, etc
- Easy Use: Hex nuts are versatile and can be used in a variety of applications. The fastening force is relatively strong, and only a live wrench, open-end wrench or eyeglass wrench is needed for simple installation and use
Rank No. #10
Vifmy 240 Pack M4-0.7mm Nylon Insert Lock Nuts，304 (A2-70) Stainless Steel Locknuts，Standard Metric Thread Nylock Nuts
- Package Content: 240 piece of M4 304 (18-8) stainless nylon insert lock nuts
- 304 Stainless Steel Lock Nut: Nylon insert lock nut is made of high-quality 304(A2-70)stainless steel, rust-proof, corrosion resistance, sturdy, will not twist or deform, and has a long service life.With the spiral pattern is clear,the polishing process, the surface is smooth, no worry about scratching your hands
- Nylon Insert Locknut: M4-0.7mm is standard metric threaded nylock nuts have reliable anti-loosening performance, so that it and the bolt threads to form a close fit, and in the role of the elasticity of the nylon friction resistance, in order to achieve the purpose of anti-loosening. Assembly torque is more stable, anti-loosening is very reliable, can be used in shock vibration occasions
- Wide Application: Common uses for metric hardware nuts include securing instrument and equipment components, linking pipes and structural elements.Suitable for use or maintenance in a wide range of applications such as furniture decoration, automotive repair, the mechanical industry and small repairsaround shops, construction, etc
- Convenient storage: Metric locknuts are individually stowed by type in an easy to carry clear case.Easy to store and use,so that the lock nuts will not be lost or mixed up during use
Last update on 2026-06-09 / Affiliate links / Images from Amazon Product Advertising API
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