Best Machine Screws 2025

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Last Updated - 09/06/2025

Best Choice

01

Rshuhx

Rshuhx M3 M4 M5 M6 Screws Set Cylinder Screws with Hexagon Socket Hex Screws 304 Stainless Steel A2-70 Hex-Head Screws and Nuts Set Machine Screws Thread Screws 320 Pieces

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9.8

Exceptional

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Main highlights

Screws Allen set high-quality material: Allen screws and nuts are made of 304 stainless steel, Allen screws DIN933 nut 934, which is characterised by high hardness, oxidation resistance and durability. Hex socket screws are rust, corrosion and wear resistant. Can work well in humid environment
Screw set customer service: If you receive the screw assortment metric 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.
Screw assortment hexagon socket details: Our bicycle screw set complies with the standard metric system and the thread spacing is approx. 1mm The thread is very smooth, sharp and accurate. It is not easy to deform and slide during work.
M3 M4 M5 M6 screw set combination size: Our stainless steel screws metric: M3X10, M3X20, M3X25, M3X30, M4X10, M4X20, M4X25, M4X30, M5X10, M5X20, M5X25, M5X30 MM6X10, M6X20, M6X30, M6X40. Total 320 pieces, 16 types of models. One purchase can meet your diverse needs. Both the screws and nuts are placed in a transparent plastic box with matching labels, which is easy to use and install.
Hexagonal screw set use: hexagonal screws made of stainless steel mainly offer the advantages of easy attachment and disassembly as well as not easy to slip corners. Mainly used in electronic products, electrical products, furniture, household appliances, car and motorcycle maintenance and DIY, machinery equipment and ship products

18,98 €
Value for Money

02

bayidun

1080 Pcs M2 M3 M4 Stainless Steel Hex Socket Head Cap Screws with Nuts and Washers Thread Screws Machine Screws Assortment Kit

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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

Widely Used Suitable for precision machines, classification instruments, electronic products, measuring equipment, household appliances, communication products, furniture, locks, lamps, toys, bicycles, furniture, license plates, cars and other fields.
The package includes: you will receive 1080 pieces hex socket screws, nuts and washers, size including: M2x20mm, M2x16mm, M2x12mm, M2x8mm, M2x6mm, M2x6mm, M2x6mm, M2 washers, M2 nuts, M3x30mm, M3x20mm, M3x20mm. 16 mm, M3 x 12 mm, M3 x 8 mm, M3 x 4 mm, M3 washers, M3 nuts, M4 x 30 mm, M4 x 20 mm, M4 x 18 mm, M4 x 14 mm, M4 x 10 mm, M4 washers, M4 nuts, rich in quantity and size to meet the requirements of daily use.
HEX HEXAGON HEX SCREWS :Various screws, nuts and washer set threads are clear and firm, smooth and burr-free, easy to insert and not easy to loosen. The perfect fit of the nut and washer increases the contact area, reduces tension and protects screws and parts.
Excellent material: all hexagon socket screws set and nuts are made of high-quality stainless steel material, are corrosion-resistant, rust-proof, not easy to break, yet retain high strength and excellent performance in harsh environments and are durable.
Easy to store: all stainless steel screws and nuts set are stored in a transparent and sturdy storage box with compartments, stored separately, well organised, easy to carry and find. No dirt during transport and easy to use.

16,99 €
03

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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9.5

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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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.

16,98 €
04

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 €
05

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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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: 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.

13,38 €
06

qiwuhai

1080 Pieces M2/M3/M4 Hex Socket Screws Nuts Washers Assortment Set, Black Hex Head Hex Bolts, Machine Screws and Nuts Washers (Black 1080)

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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, household appliances, DIY projects, communication equipment, petrochemical industry, marine power equipment, automotive and marine applications where the power source has a thread/bolt connection.
Premium Material A variety of sets of hex bolts, nuts and washers are made of excellent alloy steel with smooth edges, which are sturdy, corrosion and rust resistant, not broken and durable.
Package Content Our metric hex bolt nut washer assortment kit includes M2, M3, M4 size screws with matching nuts and washers, a total of about 1080 pieces, meets different requirements, and is an essential hand tool for the family.
Easy to Use The surface of the hex socket screws is smooth and burr-free, the thread is clear and firm, easy to insert. The compact and uniform screw thread does not deform easily and slips when rolling and installing. The nuts and washers can reduce stress and protect parts and screws.
EASY STORAGE All sets of hex bolts and nuts as well as washers are packed in a storage box, which is easy to use, find and carry. Avoid the screws from being scattered or lost during use. You can use nuts and washers for more precise installation.

15,99 €
07

Neikafan

Neikafan Pack of 5 1/4 Inch Camera Mounting Screw Camera Tripod Quick Release Screw D Ring Screw for Camera Tripod Monopod Quick Release Plate Screw Adapter Camera Accessories

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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

Quality: These 1/4 inch camera screws are made of high-quality stainless steel metal, which is sturdy, wear-resistant, durable and comfortable to touch. High hardness, rust and corrosion resistance ensure a long service life and reliable daily use, an excellent alternative to cheap plastic wire.
Process: The camera bayonet screw is manufactured in large standardized machines and subjected to various processing techniques such as polishing and grinding. The thread is clear, even, clean, easy to use, beautiful and firm.
Package size: 5 pieces 1/4 inch screws for quick release plate. With 1/4"-20 thread, slot for slotted screwdrivers and hinged D-ring for quick release and tightening. 14mm overall length with base and 10mm total shaft length.
Easy to use: The 1/4 inch camera mounting screw is lightweight and compact, so you can conveniently assemble your photographic products and accessories and also easily carry and use. These high quality captive screws allow you to install different types of plates for direct mounting into the base of your camera equipment.
Application: These tripod screws can be attached to a variety of different photo equipment and can be used for all QR quick release plates, tripods, monopods, telescopes, ball heads, lens clips, camera tripod quick release plates and other equipment.

6,99 €
08

SYBDXJ

Hex Bolts and Nuts with Washers Set, 180 Pieces Machine Screws Threaded Screws with Hex Nuts and Washers Assortment Kit, Metric M4/M5/M6/M8/M10

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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 range of applications: suitable for home, office, work, automotive, boats, furniture, desks, cribs, communication products, instruments, electrical appliances, machinery, electrical engineering, steel, aircraft construction, household appliances and other fields.
Excellent Material The hex nuts and bolts assortment is made of high quality 4.8 grade carbon steel, which has good corrosion resistance, rust resistance and oxidation resistance, sturdy and durable to ensure long-term use.
Easy to Use Our hex bolts and nuts set is sharp, clean and accurate. And it will not easily deform and slip during use. A deep and clear outer hex head can make your work easier.
Easy storage: the entire range of machine screws assortment and washers are stored in a sturdy plastic storage box for quick access and protection. Suitable for architects, carpenters, plumbers, carpenters and many other industrial workers.
Box contents: you will receive 10 pieces M4 x 12 mm, 10 pieces M4 x 20 mm, 10 pieces M5 x 16 mm, 8 pieces M5 x 25 mm, 5 pieces M6 x 20 mm, 5 pieces M6 x 30 mm, 3 pieces M8 x 25 mm, 3 pieces M8 x 40 mm, 3 pieces M10x4 m0 mm, 3 pieces M10 x 16 mm; 20 pieces M4 nuts, 18 pieces M5 nuts, 6 pieces M8 nuts, 6 pieces M10 nuts; and split washers in the same number and size as the nuts; total 180 pieces. The quantity is sufficient and the size is rich to meet your needs for different occasions.

8,99 €
09

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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8.7

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: 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 €
10

SZSLMY

408 Piece Hex Screws and Nuts Washers Set, M5 M6 M8 Threaded Screws Set, Machine Screws with Nuts Washers Assortment Set Full Thread for Repair

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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 range of applications: widely used in construction, mechanical engineering, automotive, furniture, aerospace and other fields, for connecting bearings, gears, machine tools, couplings and other components, as well as for fixing and supporting building structures.
The package contains: a total of 408 pieces, including: m5x16mm, m5x20mm, m5x30mm, m5x40mm, m6x16mm, m6x20mm, m6x30mm, m6x40mm, m8x16mm, m8x20mm, m8x30mm, m8x40mm, including nuts, washers, lock washers in corresponding size and menaccording to the ge. sufficient quantity. There are different sizes available to meet the requirements of different areas.
Practical Design The threads are evenly distributed, the threads are deep and clear, the surface is smooth and burr-free, the force is even, it is not easy to slip off during installation, and the fixing performance is good. Widely used in different areas and plays an important role in different aspects.
Hexagonal design: hexagonal screw set uses a hexagonal structure that has a stronger, more durable and a higher load capacity. The interface is firmer, the connection with the nut is stronger, the shock resistance is good and some common loosening problems are solved.
Exquisite material: screw set is made of high-quality stainless steel with exquisite workmanship, high hardness, corrosion resistance, rust resistance and oxidation resistance, is not easy to break or deform during use, has strong wear resistance, is easy to disassemble and is durable.

14,99 €