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5 Best Machine Screws of 2026

Last Updated - 2026/08/25

1
Best Choice

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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.

AETTL

AETTL 900pcs M6 M5 M4 M3 Nuts and Bolts Assortment Kit, Stainless Steel Metric Assorted Machine Screws Set Phillips Drive Pan Head with Flat Washers

AETTL

CA$36.06

More Details
Main highlights
- Workmanship & Material: The thread is very clear and sturdy, made of high quality 304 stainless steel, good performance of rust and corrosion resistance.
- Wide Application: Widely used in bicycle, furniture, car license plate, automobile, electrical connections and other places of indoor or outdoor.
- Various Size: Includes 8mm 12mm 16mm 20mm M3 M4 M5 M6 304 stainless steelmetric bolts assortment.
- Package Includes: Contains 24 sizes 900pcs nuts and bolts washers ,could meet different needs for home and handmade.
- Optimized Packaging Requirement: Add a kraft paper box (22×15×4 cm / 8.7×5.9×1.6 in approx.) and place a long strip of EPE foam padding on each inner side to prevent damage to the plastic case or mixing of screw components during transportation.
- Durable Package: Be packed in a sturdy convenient case which can be used for a storage organized box.
CA$36.06
2
10% Off

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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.

Vrupin
10% Off

1200 PCS Nuts and Bolts Assortment Kit, Metric M2 M3 M4 M5 Machine Screws, Stainless Steel 304 Hex Socket Head Cap Bolts and Nuts Kit

Vrupin

CA$33.29

CA$36.99
(10% Off)

More Details
Main highlights
- ✔ Wide range of use and for professionals, amateurs, landlords, repairmen, other DIY . The bolts and nuts kit is perfect to replace broken and missing screws. When you are mad for the missing bolts, it is a perfect friend for you. The kit has lots of different sizes, which can meet the maximum of requirement for you
- ✔ Nuts and Bolts Assortment Kit, Includes 120 Pcs*M2/M3,80Pcs*M4/M5 washers and nuts to Meet Different Applications; Material of washers and nuts: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions
- ✔ New packaging scheme, All of Bolts and Nuts are packed in a durable and sturdy Box to efficiently bear the weight of the whole package. In order to avoid the screws being mixed or lost during use, we specially package for each different type of screws in transparent bags for your convenience
- ✔ Metric Screw Assortment, Includes 1200 Pcs of 8/12/16/18/20 mm Hex Socket Head Cap Bolts Screws. According with standardized metric system. And the average error is less than 0.01mm. Different sizes can meet your different using.Material of Screws: Stainless Steel 304, High Strength And Anti-corrosion in Various Conditions
- ✔ If you have any question or suggestion, please feel free to contact us anytime. We will do our best to provide you a pleasure shopping experience
CA$33.29
CA$36.99 (10% Off)
3
41% Off

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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.

Besitu
41% Off

1705 Pcs Machine Screw Assortment Kit, M2 M3 M4 M5 Metric Bolts and Nuts Kit with Lock and Flat Washers, Hex Button Head 10.9 Alloy Steel Cap Screw Set with Allen Wrench

Besitu

CA$28.99

CA$48.99
(41% Off)

More Details
Main highlights
- 【TIME & MONEY SAVER】The screws are machined well and they have been organized into handy separate compartments. Included on the cover is a chart which directs you to the compartment and size of the hardware you're looking for. Compared to the time it takes to go to a hardware store and the cost of buying single screws, this screw set is a time and money saver.
- 【REUSABLE CONTAINER】Everything is sorted in separate compartments that are labeled, which is nice when you're looking for a specific size. You can also reuse the plastic container after you've used all the screw bolt kit.
- 【HEX BUTTON HEAD & METRIC SIZES】16 most common selections of hex button head screws, and metric size nuts, screws and washers M2-M5 with allen wrenches. This large selection of small to large nuts and bolts also comes in a hardy case for easy orgnization and identification.
- 【HANDY NECESSITY KIT】The nuts thread on the machine screws perfectly, and all the common screw sizes is typically needed for a regular household and professional mechanic, widely used in small fixtures around the house and garage, 3d prints and rc car parts. This metric screw assortment is a great option for various DIYer needs.
- 【 ALLOY STEEL MACHINE SCREWS】1705Pcs well-engineered machine screw assortment with sixteen different sizes/lengths of bolts. They are alloy steel, good black coating, no burrs, perfect fit among screws, nuts, lock & flat washers.
CA$28.99
CA$48.99 (41% Off)
4
Best Value
43% Off

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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.

Besitu
43% Off

Besitu 720Pcs Machine Screw Assortment Kit, 10-24#8-32#6-32#4-40 Phillips Pan Head Assorted Nuts Bolts and Flat Washers Kit, Stainless Steel Screws Hardware Assortment with Case

Besitu

CA$26.99

CA$46.99
(43% Off)

More Details
Main highlights
- 【WIDE APPLICATIONS】The nuts thread on the machine screws perfectly, and all the common screw sizes is typically needed for a regular household and professional mechanic, widely used in various household and garage uses. The machine screw assortment kit is also a perfect gift for DIYer.
- 【TIME & MONEY SAVER】Great bins for storage with a size chart on the inside and outside. Compared to the time it takes to go to a hardware store and the cost of buying single stainless screws, this assorted bolts and nuts kit is a time and money saver.
- 【STAINLESS STEEL MACHINE SCREWS】720Pcs assorted nuts bolts and flat washers are made of stainless steel 304, high-strength hardware with decent corrosion resistance. Perfect for general uses, even use it below the water line.
- 【PHILLIPS DRIVE & SAE SIZES】16 most common selections of phillips drive stainless screws, and #4, #6, #8 & #10 in useful lengths with matching nuts and washers. Coarse threaded and SAE measurement are perfect for homeowner, mechanic and fixer to keep on hand for projects or repairs.
CA$26.99
CA$46.99 (43% Off)
5

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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.

WiliThghe

WiliThghe 1900PCS M2 M3 M4 M5 Metric Screw Combination, Hex Nut Metric Bolt and Nut Combination Kit, Metric Nut and Bolt Flat Washer and Lock Washer Kit, with 4 Hex Wrenches, Grade 12.9 Alloy Steel

WiliThghe

CA$23.99

More Details
Main highlights
- The widely used metric screw kit can be applied to various precision mechanical instruments, electrical and electronic products, household appliances, communication products, DIY, door locks, toys, other electrical appliances, car maintenance, and bicycle racks.
- The 1900 piece screw set includes M2 M3 M4 M5 hexagonal socket head bolts, screws, nuts, and washers. This screw set also includes M2/M3/M4/M5 hex wrenches.
- Our screw varieties are stored in a sturdy storage box, which keeps the screws neat and easy to access. The compact design makes them easy to store in your toolbox, garage, or workshop, and also provides them with the best storage system.
- Easy to identify labels: The shell is labeled with the size, type, and quantity of screws, making our classification more efficient and time-saving. Therefore, it is easy for you to find the screws you need without having to sort them in a messy pile.
- Alloy steel nuts and bolts, washers - metric hexagonal cap set made of high-quality 12.9 grade alloy steel, galvanized design, corrosion-resistant, oil-free surface. Provide corrosion and wear resistance, toughness, and super hardness for screws and nuts.
CA$23.99

5 Best Machine Screws of 2026

AETTL 900pcs M6 M5 M4 M3 Nuts and Bolts Assortment Kit, Stainless Steel Metric Assorted Machine Screws Set Phillips Drive Pan Head with Flat Washers

1200 PCS Nuts and Bolts Assortment Kit, Metric M2 M3 M4 M5 Machine Screws, Stainless Steel 304 Hex Socket Head Cap Bolts and Nuts Kit

1705 Pcs Machine Screw Assortment Kit, M2 M3 M4 M5 Metric Bolts and Nuts Kit with Lock and Flat Washers, Hex Button Head 10.9 Alloy Steel Cap Screw Set with Allen Wrench

Besitu 720Pcs Machine Screw Assortment Kit, 10-24#8-32#6-32#4-40 Phillips Pan Head Assorted Nuts Bolts and Flat Washers Kit, Stainless Steel Screws Hardware Assortment with Case

WiliThghe 1900PCS M2 M3 M4 M5 Metric Screw Combination, Hex Nut Metric Bolt and Nut Combination Kit, Metric Nut and Bolt Flat Washer and Lock Washer Kit, with 4 Hex Wrenches, Grade 12.9 Alloy Steel

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