Best Machine Screws 2025

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Last Updated - 26.07.2025

Best Choice

01

XhjzgcTech

1680 Pcs Metric Hex Head Bolts M2 M3 M4 M5 Nuts & Washers Black Machine Screw Set Socket Cap Screws Bolts Nuts

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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

Wide range of applications: widely used in household appliances, automotive assembly, product manufacturing, precision machinery industry, electronic products, communication products, lamps, toys, maintenance and other fields. Ideal for professionals, maintenance personnel, carpenters, landlords, tradesmen, craftsmen and more.
The package includes: you will receive a total of 1680 pieces, the size includes: 2#*5/32"(m2*4mm), 2#*1/4"(m2*6mm), 2#*3/8"(m2*10mm), 2#*1/2"(m2*12mm), 4#*1/4"(m3*6mm), 4#*5/16"(m3*8mm), 4#*5/16"(m3*8mm), 4#*1/4"(m3*6mm), #*1/2#*"( m3*12mm), 4#*5/18"(m3*16mm), 8#*5/16"(m4*8mm), 8#*1/2"(m4*12mm), 8#*5/8"(m4*16mm), 8#*7/8"(m4*20mm), 3/16*1/2"(m5*12mm), 3/16*1/2"(m5*12mm), 3/16*16mm(m5*12mm), *5/8"(M5 x 16 mm), 3/16 x 7/8 inches (m5 x 20 mm), 3/16 x 1 inches (m5 x 25 mm), including nuts and washers of appropriate size.
Excellent Material The screw and nut set is made of high quality alloy steel with exquisite workmanship, high hardness, strength and not easy to break, not easy to deform, corrosion resistant, not easy to rust, and can maintain good performance in any environment.
Equipped with nuts and washers: hex nuts can make your installation more precise and fasten better by providing strong holding and clamping force; Washers can increase the contact area, distribute pressure, protect the nuts and bolts, and extend the service life.
Allen screws, bolts, nuts and washers set: the thread is firm and the force is even, it is not easy to deform and shift when rolling and installing, it can withstand greater loads and it can ensure the stability of the installation. After installation, the entire screw cap sinks inside the workpiece, keeping the surface of the workpiece flat and beautiful.

12,99 €
02

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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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 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.

12,98 €
Value for Money

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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15% Off
9.3

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 € 12,98 €(15% Off off)
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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15% Off
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

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.

10,98 € 12,98 €(15% Off off)
05

Frevoitna

Frevoitna 1080 pieces M3 M4 M5 M6 screws set, screw assortment, threaded screw set, machine screws assortment, sets with screws and nuts, screw set galvanised, screw assortment

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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

Safe to use: the galvanised screw set with nuts and washers increases the contact area, reduces pressure and does not deform easily and does not slip during use. The thread pitch is even, the thread is clearly visible, there is no residual burr and the grip strength is good. Provide safety.
Product specifications: There are 16 screw sizes, including 4 types of M3 screws, 4 types of M4 screws, 4 types of M5 screws and 4 types of M6 screws. Both nuts and washers are available in 4 sizes, one each for M3, M4, M5 and M6.
High-quality material: screws, nuts and washers are made of high-quality galvanised iron with smooth edges, good corrosion resistance, rust resistance, oxidation resistance, high hardness, not easy to damage, strong and durable, which ensures a long service life.
Easy to store: the screw set is stored in a classified plastic box. Screws, nuts and washers of different specifications are stored separately. The storage is neat and tidy, easy to store and carry, and you can easily find the kit you need.
Areas of application: machine screw set are often used in various types of manual DIY production, mechanical equipment, motorcycle maintenance, instrumentation, electronic products, household appliances, gardening, ship assembly, furniture fastenings, etc.

8,99 €
06

Xiaomoyu

Pack of 540 Stainless Steel Hexagon Head Button Screws and Nuts Washers, M3 M4 M5 M6 Pan Head Screws Assortment Set, Stainless Steel Screws Machine Screws, with Wrench

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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

Wide applications: Widely used in all kinds of manual DIY production, precision machinery industry, 3D printing equipment, instruments, electronic products, household appliances, classified instruments, garage and home furniture fasteners, etc.
What you get: you will receive m3 m4 m5 m6 screws, nuts, washers and 4 small wrenches, a total of 540 pieces, contain some common metric sizes, meet your different needs, enough for your daily use, and it is a very important hand tool for the family.
Premium material: The machine screw set is made of excellent 304 stainless steel with smooth edges, high hardness, provides good corrosion resistance, is robust and durable.
Easy to use: our stainless steel hex screws set with smooth edges and surfaces, are easy and quick to penetrate, you can use them for plastics, wood and other materials.
Easy to store: these stainless steel lens head screw kits are packed in a separate box for protection to avoid mixing the nut and screw sets, which are easy to store, use and carry.

11,78 €
07

Hapric

600 Piece Metric Screws Set, M3 Threaded Screws Set with Tweezers, Machine Screws, Cylinder Head Screws, Hex Screws Set for Electronics Products, Household Appliances, Car Repair

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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

With storage box: the M3 hex screws set comes with a transparent plastic box. The dividers in the box are housed in different divisions, so they are less scattered and easier to identify and store.
Wide application: the screw nut set is suitable for car and motorcycle repairs, household appliances, communication equipment, ship applications, mechanical instruments, electronic products, construction fields, DIY projects, etc. It is very suitable for repair and connection.
Package contents: 35 x M3 x 6 cm, 35 x M3 x 8 cm, 25 x M3 x 10 cm, 25 x M3 x 12 cm, 25 x M3 x 16 cm, 35 x M3 x 20 cm, 10 x M3 x 30 cm, 1 x tweezers, 205 x nuts, 205 x nuts. 5*WashWashWashWash.
Material: the metric screw set is made of an alloy with high hardness, galvanised surface, not easy to rust, not easy to deform, not easy to break, the threads are uniform and fine, strong and durable.
Easy to use: the threads of the threaded screws are clear and precise, do not slip off easily during installation and the force is even. The washers and nuts can increase the contact surface, reduce tension and protect the screws and parts.

6,99 €
08

Hapric

600 Piece Threaded Screws Set, M3 Screws Set with Storage Box, Tweezers, Machine Screws, Hex Screws Set for Household Appliances, Industrial Machinery, Construction

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8.5

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 applications: the metric screw set is suitable for car and motorcycle repairs, household appliances, communication equipment, ship applications, mechanical instruments, electronic products, construction fields, DIY projects, etc. It is very suitable for repair, assembly and connection.
Storage and carry: the M3 screw nut set comes with a transparent plastic box. The dividers in the box are housed in different divisions, so they are less scattered and easier to identify and store.
Package contents: 35 x M3 x 6 cm, 35 x M3 x 8 cm, 25 x M3 x 10 cm, 25 x M3 x 12 cm, 25 x M3 x 16 cm, 10 x M3 x 30 cm, 10 x M3 x 25 cm, 35 x M3 x 20 cm, 205 x nuts. WashWashWashWashWashWashWashto meet your different requirements.
Made of stainless steel: the threaded screw set is made of stainless steel with high hardness, not easy to rust, smooth surface without burrs, not easy to deform, not easy to break, the threads are uniform and fine and durable.
Easy to use: the threads of the screws are clear and precise, do not slip off easily during installation and the force is even. The washers and nuts can increase the contact surface, reduce tension and protect the screws and parts.

9,99 €
09

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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11% Off
8.4

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 Applications Widely used for fixing sheet metal to wood, fiberglass or metal. Suitable for household and office equipment, communication equipment, ship assembly and others.
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, sturdy and can ensure long-term use.
Package includes: you will receive 220 pieces m3 x nuts, 20 pieces m3 x 6mm screws, 20 pieces m3 x 8mm 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 25mm Bolts 20pcs m3 x 30mm Bolts 20pcs m3 x 35mm Bolts 20pcs m3 x 40mm Bolts Total 440pcs
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.

7,99 € 8,99 €(11% Off off)
10

MYHongLe

M2 Screws Set, 600 Pieces Rounded Head Allen Screws Nuts Set with Washers Set, Black Round Head Screws and Nuts Assortment Kit, Machine Screws Thread Screws Set

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8.1

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 range of applications Suitable for use in shops, garages, faucets, lamps, precision machinery, electronic products, household appliances, 3D printer components, industrial machinery, automotive, construction, smart equipment and other fields.
Package includes: total 600 pieces, sizes and quantities include: 50 pieces M2 x 4 mm, 50 pieces M2 x 6 mm, 50 pieces M2 x 8 mm, 50 pieces M2 x 10 mm, 40 pieces M2 x 12 mm, 30 pieces M2 x 16 mm, 30 pieces M2 x 20 mm, 150 pcs M2 washers, 150 pieces M2 nuts to meet the usage requirements of multiple scenarios and areas.
Hexagon socket screws and nuts: pan head screws with nuts have clear thread, even pitch and stable tension. The nuts and screws with hexagon socket assortment can be easily disassembled, does not slip off easily and is very convenient to use.
Exquisite material: M2 screw set is made of high-quality carbon steel with exquisite craftsmanship, high hardness, large torque, not easy to break or deform, corrosion resistant, not easy to rust and has long-term durability and stability.
Comes with nuts and washers: hex nuts allow for more precise installation, better tightening and carrying larger loads. Flat washers increase the contact area, protect screws, extend the service life and provide strong grip and maximum clamping force.

6,69 €