Best Machine Screws 2026

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Last Updated - 22.07.2026

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01

VIGRUE

520PCS M3 M4 M5 M6 Stainless Steel Hex Button Screws Bolts Nuts and Washers Assortment Kit with Storage Flat Case Box

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

With nuts and washers M3, M4, M5 and M6, the installations are now more precise, with an increase in the contact area that reduces pressure and protects the parts and screws.
Various screw sizes: M3 x 8, M3 x 12, M3 x 16, M3 x 20, M4 x 8, M4 x 12, M4 x 16, M4 x 20, M5 x 8, M5 x 12, M5 x 16, M5 x 20, M6 x 8, M6 * 1, 12, M6 x 16, M6 x 20 to meet different needs. It is a very important hand tool for the family.
They are anti-oxidisable and corrosive, even at high temperatures. The main application area of hexagonal stainless steel screw is very widely used in electronics, electrical appliances, chemicals, water, machinery and equipment, furniture and many other fields.
The nuts and washers are arranged in a storage box, so you can easily find yourself in the series and avoid loss if necessary.
304 High Quality Stainless Steel Stainless steel is a common material with a density of 7.93 g/cm3, also called 18/8. It has good handling and high toughness up to a temperature of about 800 degrees.

27,99 €
Value for Money

02

VIGRUE

VIGRUE 408 Pieces M5 M6 M8 Hexagon Screws Stainless Steel A2 Screws Set with Nuts Washers DIN933 Bolts Fully Threaded Screws Machine Screws Thread Screws for Repair

16% Off Limited Time Deal

16% Off

Limited Time Deal

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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The safety cover is made from the following materials. The perfect finishing touch: This product is easy to use . Easy to open
The safety and safety of a good quality and an additional 2 different uses. The only thing that you need to do is to protect and protect the 999999 Easy to clean
The product is suitable for use in the future. 9999 Easy to use, use the wood, metal or other items. Easy to use and easy to use. . Easy to use:
The material and the following products can be used in a single door 66 Easy to use in the right place and use in the bathroom. WHAT YOU CAN SEE A SIZE YOU NEED TO CHOOSE YOUR SIZE
Easy to use, easy to use, easy to use, easy to use. The only thing you need to do is to make a good job of using 66 This product is suitable for safety and protection and . Easy to use:

21,96 € 26,00 €(16% Off off)
03

Vwoqiy

Vwoqiy 1080 Pieces M3 M4 M5 M6 Screw Set with Hex Nuts and Washers, Pan Head Screws, Thread Screws Set, Phillips Screws, Machine Screws Assortment Kit (Silver 1080)

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide applications: This package contains a variety of popular sizes of wood screws, nuts and washers, which are often used in machinery, furniture, cars, motorcycle repairs, environmental protection equipment, communication equipment, energy equipment, electronic products, ship assembly and DIY inventions, etc.
What you get: you will receive 16 types of screws in sizes M3 x 6 mm, M3 x 10 mm, M3 x 14 mm, M3 x 20 mm, M4 x 10 mm, M4 x 20 mm, M4 x 25 mm, M4 x 30 mm, M5 x 20 mm, M5 x 30 mm, M5 x 40 mm; M6 x 10, M6 x 20, M6 x 30, M6 x 40; 4 types of nuts and 4 types of washers; total 900 g, enough for daily use and meet your different needs in daily life.
Premium material: Our mixed flat head screws with hex nuts and washers are made of excellent metal material with smooth edges, which provides good corrosion resistance, rust resistance and oxidation resistance and ensures a long service life.
Easy to use: These various flat head screws wood nuts and screws and washers sets are easy to use. Our screw thread is smooth, clean and accurate. And the compact thread is not easy to deform and slip when rolling.
Easy to store: All M3, M4, M5, M6 cross lens head screws and screws and nuts are stored in a separate plastic storage box, easy to store, use, carry and obtain, perfect for replacing defective and missing screws.

10,98 €
04

wugongshan

1260 Piece M2 M3 M4 Screws Set, Cylinder Screws with Hexagon Socket Screws Set, Hex Screws and Nuts and Washers Assortment Set, Black Machine Screws Thread Screws Set

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9.3

Excellent

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Main highlights

Strong and durable carbon steel of grade 12.9 material: M2 M3 M4 nuts and screws are made of high-quality carbon steel of grade 12.9 material with exquisite workmanship. It is not easy to break, bend or deform during use and is scratch-resistant and corrosion resistant. The hexagon socket screws have high strength and hardness, providing you with long-lasting stability and durability.
Multi-scene application: widely used in households and workplaces, office equipment, communication equipment, ship assembly, petrochemical industry, machinery industry, furniture, household appliances, commercial areas, car and motorcycle repairs, DIY projects, etc.
Hexagon socket screws nuts and washers: The M2 M3 M4 screw nuts set uses a hexagon socket design that offers the advantages of simple construction, good resilience, removability and loosening under dynamic loads. After installation, the smoothness and beauty of the workpiece surface can also be ensured.
Equipped with hex nuts and washers: With the hex nuts, you can perform a more accurate installation, tighten better and carry larger loads. The washers can increase the contact surface, provide strong holding force and maximum clamping force, protect the screws and extend the service life.
1260 pieces hex screws and nuts: a total of 1260 pieces, 20 pieces in each size, sizes include: M2 x 25 mm, M2 x 20 mm, M2 x 16 mm, M2 x 12 mm, M2 x 8 mm, M2 x 6 mm, M2 x 4 mm, M3 x 4 mm. M3 x 8mm, M3 x 12 mm, M3 x 16 mm, M3 x 18 mm, M3 x 2 0 mm, M3 x 30 mm, M4 x 6 mm, M4 x 8 mm, M4 x 12 mm, M4 x 16 mm, M4 x 18 mm, M4 x 20 mm, M4 x 3 0 mm, including the 0 washers and nuts in appropriate sizes to meet the requirements of use in many areas.

13,98 €
05

BATENGKEJI

1064 Piece M3 M4 M5 M6 Screws Set, Countersunk Screws Nuts Set, Flat Head Allen Screws with Nuts and Washers Set, Black Machine Screws, Threaded Screws and Nuts Set

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Widely Used Suitable for furniture repairs, mechanical instruments, electronic products, electrical appliances, household appliances, DIY projects, communication equipment and other fields. Suitable for workers, mechanics, installers, professionals, hobbyists and craftsmen
Package Content 1064 pieces in total, Size:M3 x 8mm/12mm/16mm/20mm, M4 x 8mm/12mm/16mm/20mm, M5 x 8mm/12mm/16mm/20mm, M6 x 10mm/12mm/16mm/20mm, M6 x 10mm/12mm/16mm/20mm, suitable for daily use
Exquisite materials: the M3 m4 m5 m6 screws set is made of quality 10.9 carbon steel, with exquisite workmanship, high hardness, high strength, not easy to break and deform, scratch resistant, corrosion resistant, not easy to rust, with long lasting durability and stability
Equipped with hex nuts and washers: hex nuts can make your installation more precise, better tighten and bear a greater load; Washers can increase the contact area, protect the screws, extend the service life, provide strong holding force and maximum clamping force
Countersunk Screws Nuts Set: The design of the flat head screws/countersunk screws makes the tension range larger and the average load when tightening less. The hexagonal design makes it easier for you to tighten and loosen the screws with a matching wrench

14,59 €
06

HAOCHEN

440 Piece M3 Screws Nuts Assortment Set, Hexagonal Button Cylinder Screws with Hexagon Socket Threaded Screws with Nuts, Hex Screws, Stainless Steel Machine Screws

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide range of uses: Widely used for fixing sheet metal to wood, fibreglass or metal. Suitable for household and office equipment, communication equipment, ship assembly and other uses.
Premium material: The hex bolts and nuts and bolts are made of excellent stainless steel material, which has good resistance to corrosion, rust and oxidation, is robust and can ensure long-term use.
Easy to use: Our screws and bolts are sharp, clean and accurate. And will not easily deform and slip during use. Deep and clear hex socket and head can make your work easier.
Easy storage: All screws and nuts are housed in a sturdy plastic storage box. This hex bolt set is housed in a clear storage case for quick access and protection.
Contents: You will receive 220 pieces m3 x nuts, 20 pieces m3 x 6 mm screws, 20 pieces m3 x 8 mm screws, 20 pieces m3 x 10 mm screws, 20 pieces m3 x 16 mm screws, 20 pieces m3 x 18 mm screws, 20 pieces m3 x 20 mm bolts, 20 pieces m3 x 25 mm bolts, 20 pieces m3 x 30 mm bolts, 20 pieces m3 x 35 mm bolts, 20 pieces m3 x 40 mm bolts. Total: 440 pieces.

7,88 €
07

Hapric

1407-Piece Stainless Steel Screws Set, M2/M3/M4/M5 Machine Screws, Cylinder Head Screws, Thread Screws Set, Hexagonal Screws Set for Electronic Products, Car Repair

15% Off Limited Time Deal

15% Off

Limited Time Deal

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Package contents: you will receive a total of 1407 screws, nuts, washers, mounting washers and Allen keys in four different sizes, M2/M3/M4/M5, as well as tweezers. Can meet your installation and mounting requirements under different conditions.
Not easy to rust: the machine screws are made of stainless steel with high hardness, strong weather resistance, not easy to rust, wear-resistant, not easy to deform, not easy to break, smooth and burr-free and can be used for a long time.
Multiple use: the metric screw set can be used indoors and outdoors and is suitable for household, industry, office, machinery, car and motorcycle maintenance, 3D printers, communication devices, electronic products, etc.
High practicality: hexagon socket screws have an even slope, clear thread and are easy to embed. The addition of washers increases the contact area and protects parts and screws.
Easy to store: the inner divider of the plastic box is fixed in which the metric screw set is stored, and screws of the same size can be neatly attached in a grid, so they are less easily scattered and easier to store.

14,44 € 16,99 €(15% Off off)
08

Rshuhx

Rshuhx M3 M4 M5 M6 Screws and Nuts Set 304 Stainless Steel A2 Pan Head Screw Cross Round Head Mechanical Screw Pan Head Bolts Machine Screws with Storage Box

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Widely used: screws and nuts. The set can be widely used in various precision machines, classification devices, electronic products, household appliances, communication products, lights, toys, bicycle maintenance, etc. Our round head screws are suitable for professionals, hobbyists and owners, craftsmen and other DIY enthusiasts, maintenance workers
High-quality material: screws and nuts made of 304 stainless steel, screw DIN933 nut 934. Robust and durable, not easy to rust and corrosion resistant, with high hardness, oxidation resistance and durability. HBolts and Nuts set are rust, corrosion and wear resistant. Can work well in humid environment
Details: screws and nuts comply with metric standards, and 304 stainless steel is very strong and durable. The surface is smooth without burrs. Our threads are very clear and accurate, the thread spacing is approx. 1 mm and the tight threads are not easy to deform and slide during use.
Customer service: If you receive the screw and nut kit for the first time and there are problems with the product, please contact us by email. We will fix the problem as soon as possible. If you have any questions or suggestions about our products, you can contact us at any time by email to provide customers with good service. This is always our first step.
Combination size: Our screws with nuts each contain M3X16, M3X20, M3X25, M3X30, M4X16, M4X20, M4X25, M4X30, M5X16, M5X20, M5X25, M5X30, M6X20, M6X25meet MM6X30, M6X40. Total 320 pieces, 16 types of models. One purchase can meet your diverse needs. Both the screws with nuts are placed in a transparent plastic box with matching labels, which is easy to use and install.

18,99 €
09

YiLUXmyyxgs

Countersunk Screws Nuts Set, M3 M4 M5 M6 Screws Set, Flat Head Machine Screws Assortment, Hexagon Socket Screws with Nuts, Cylinder Screws with Washers Sets (Black)

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide Application Total 1062 pieces, including sizes of m3, m4, m5 M6 as well as corresponding washers and nuts, are widely used in mechanics, communication equipment, electromechanical equipment, marine equipment, household appliances, mechanical engineering, cars, motorcycles and other parts fasteners.
High torque bearing capacity: the structure of the countersunk screw set with hexagon socket screws setof flat head screws nuts set provides a flat mounting surface to avoid protrusions affecting other parts. Especially suitable for scenes with limited space or smooth surfaces (such as precision equipment, shapes).
High strength performance: screws with nuts set is made of grade 10.9 carbon steel with high tensile strength and yield strength, is suitable for heavy loads and environments with high stress and ensures the stability and safety of the connection.
Hex nuts and washers set: with nuts and washers, it can withstand higher tightening torque, prevent slipping or deformation of the thread, ensure the reliability of installation, and ensure that the screws perfectly fit various mechanical parts
Easy to Install Equipped with appropriate wrenches, the threads are uniform and smooth, the texture is clear, the use is balanced, the tightening effect is good, and it has the advantages of easy installation and removal, and not easy to slip.

10,98 €
10

zrfgbxim

zrfgbxim 1080 Countersunk Screws Nuts Set, M3 M4 M5 M6 Screws Set, Flat Head Screws Hex Screws and Nuts Set with Washers, Machine Screws Assortment, Thread Screws

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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide Application Ideal for woodworking tasks, furniture assembly, precision machinery, adjustment instruments, electronic equipment, household appliances, vehicle maintenance and other fields. An essential kit for professionals, homeowners and DIY enthusiasts.
Package Content Total 1080 pieces, including sizes of M3, M4, M5, M6, including nuts and washers of the corresponding sizes and M3 M4 M5 M6 wrench, with sufficient quantity and rich sizes to meet the usage requirements of multiple scenarios and areas.
Hexagonal countersunk screws nuts and washers set: clear thread, even pitch, hexagonal countersunk head design, with sufficient power surface, can be easily tightened and removed with the included wrench.
Hex Nuts and Washers: nuts can make your installation more precise, tighten better and bear a larger load; Washers can increase the contact area, protect the screws, extend the service life, provide strong holding force and maximum clamping force.
Excellent Material The M3 M4 M5 M6 screws set is made of high quality galvanized carbon steel with high strength, not easy to break or deform, and is corrosion resistant, durable and stable in a variety of environments.

10,98 €