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Best socket head screws - May 2026

Last Updated - May 17, 2026

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.

Taiss

Taiss 3670PCS Metric Screw Assortment M2 M3 M4 M5 33 Sizes Button & Socket Head Screws,Hex Bolts and Nuts Kit Flat/Lock Washer, Metric Bolts and Nuts Assortment with Handheld Box

Taiss

$39.99

More Details
Main highlights
- Widely used in:Metric Bolt kit are widely used in furniture, machinery, home, DIY projects, motorcycle and automobile maintenance, and other indoor/outdoor places.
- Product packaging:These Metric Screw and nuts assortment are all put in a Handheld box with bolt size labels on it. Convenient for users to use and carry.
- Product name:Grade 12.9 M2/M3/M4/M5 Metric Bolt Assortment Kit(With exquisite portable box, it is easy to store, carry and use.Can be used as a storage box.)This metric bolt and nut kit comes in 33 sizes.A total of 3670PCS.
- Product material:Nut and Bolt Assortment Kit is made of 12.9 Grade Alloy Steel,Fully Threaded,high hardness, firmness, corrosion resistance, good wear resistance and long service life.
- Metric Screw size:Socket Head Screws：M2x4/6/10/12mm; M3x6/8/12/16/20mm; M4x8/12/16/20mm; M5x12/16/20/30mm.Button Head Screws：M2 M3 M4 M5x8/12/16/20mm;M2 M3 M4 M5 Nut/ Flat washer/ lock washer.
$39.99
2
Best Value
21% 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
21% Off

Besitu 1760pcs M2 M3 M4 M5 Metric Screw Assortment, Grade 12.9 Alloy Steel Hex Socket Head Cap Bolts and Nuts Kit, Black Zinc Plated and Anti Rust Screw Set with 4 pcs Hex Wrenches

Besitu

$25.99

$32.99
(21% Off)

More Details
Main highlights
- 【WIDE APPLICAITONS】Good assortment to have on hand for 3D printing DIY, RC hobbies, furniture, car repair and bike stand etc. 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 metric screws, this metric screw assortment 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 metric bolt and nut set.
- 【1760PCS METRIC SCREW ASSORTMENT】4 sizes of metric screws M2 M3 M4 M5. M2 screws: bolt length: 4mm, 6mm, 10mm, 12mm. M3 screws: bolt length: 6mm, 8mm, 12mm, 16mm. M4 screws: bolt length: 8mm, 12mm, 16mm, 20mm. M5 screws: bolt length: 12mm, 16mm, 20mm, 25mm, meet our all demands. 4 pcs customized hex wrenches for each size are provided in the kit to make the screws easier to use.
- 【12.9 ALLOY AND ZINC PLATED】The hardware is made of 12.9 grade alloy steel and zinc coated are designed for no corrosion with no oil face. Threads are clean and well cut. Nut fit snugly without excess movement. Washers are correctly sized for engagement.
$25.99
$32.99 (21% 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.

Fgruh

Fgruh 750PCS M3 Screws Assortment Kit, M3x6/8/10/12/16/20/25/30 mm Hex Socket Head Bolts, Nuts & Washers Assorted Set - 12.9 Alloy Steel Black Zinc Plated M3 Screw for 3D Printer,DIY

Fgruh

$9.99

More Details
Main highlights
- 【Standardized Metric Sizes】 -The M3-0.5 hex socket head cap screws set come with 8 commonly used lengths—M3 x 6mm, 8mm, 10mm, 12mm, 16mm,20mm,25mm,30mm—ideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm.
- 【Smart Storage Box 】- The metric machine screws kit comes in a durable, compartmentalized case with clear size labels—so you can spot the right screw instantly. Keeps your workspace tidy and speeds up project progress, making every job smoother.
- 【Premium 12.9 Grade Alloy Steel】- This M3 bolts, nuts and washers assorted kit are crafted from high-strength 12.9 grade alloy steel, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, ideal for harsh environments.
- 【Perfect for DIY Projects】 This M3 screw assortment kit are ideal for hobbyists working with 3D printing, electronics, RC models, DIY repairs, chair replacement and CNC machinery, offering precision for intricate designs.
- 【Oil-Free & Rust-Proof】 -Black zinc plating means no greasy mess—keep hands and projects clean. Superior rust resistance ensuring long life.This 3mm black allen screw set perfect for any indoor/light outdoor use.
$9.99
4

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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.

Fgruh

Fgruh 1760PCS Metric Screw Assortment Kit,M2 M3 M4 M5 Screws Set, Hex Socket Head Cap Bolts Nuts and Washers Kit for 3D Printing DIY, Grade 12.9 Alloy Steel, Black Zinc Plated

Fgruh

$21.99

More Details
Main highlights
- 【Wide Applications】Keep a set of commonly used Fgruh metric hardware assortment at hand. Whether you are working on DIY projects, bicycle repairs, or professional construction, it can meet your needs at any time, making your work more convenient and efficient.
- 【Premium 12.9 Grade Alloy Steel】- This machine screw assortment kit are crafted from high-strength 12.9 grade alloy steel, ensuring exceptional durability and load-bearing capacity. High-strength steel resists wear, corrosion, and heavy loads, ideal for harsh environments.
- 【Perfect for DIY Projects】 This hex socket head screw assorted kit are ideal for hobbyists working with 3D printing, electronics, RC models, DIY repairs, chair replacement and CNC machinery, offering precision for intricate designs.
- 【Organized Storage Box 】- The M2 M3 M4 M5 allen head screws set comes in a compartmentalized case with clear labels for quick access to bolts, washers, and nuts. Keeps your workspace tidy and speeds up project progress, making every job smoother.
- 【4 Sizes Metric Screw Set】This 1760pcs screws kit includes M2-0.4, M3-0.5, M4-0.7, M5-0.8 sizes with precise thread diameters (2mm/3mm/4mm/5mm) and Lenths of the bolts M3x6mm/8mm/10mm/12mm, M4x8mm/10mm/16mm/20mm, M5x10mm/16mm/20mm/30mm, M6x16mm/25mm/35mm. According with standardized metric system. And the average error is less than 0.01mm.
$21.99
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.

MCMASKE

MCMASKE #2-56#4-40#6-32#8-32#10-24 1/4"-20 5/16"-18 UNC 304 Stainless Steel Socket Head Cap Screws Assortment Kit

MCMASKE

$19.99

More Details
Main highlights
- They are coarse thread.Screws Thread Diameter: #2,Thread Pitch: 56 Per Inch;#4,Thread Pitch: 40 Per Inch; #6,Thread Pitch: 32 Per Inch.#8,Thread Pitch: 32 Per InchThread ;#10,Thread Pitch: 24 Per Inch; 1/4",Thread Pitch: 20 Per Inch;5/16",Thread Pitch: 18 Per Inch
- They are Made of 304 stainless steel;304 stainless steel have good chemical resistance and may be mildly magnetic
- The assortments contain the following sizes:#2-56x3/16"(20PCS);#2-56x5/16"(20PCS);#2-56x1/2"(20PCS);#4-40x5/16"(20PCS);#4-40x1/2"(20PCS);#6-32x3/8"(15PCS);#6-32x5/8"(15PCS); #8-32x3/8"(15PCS);#8-32x3/4"(15PCS);#10-24x1/2"(10PCS);#10-24x3/4"(10PCS);1/4"-20x5/8"(10PCS);1/4"-20x7/8"(8PCS);5/16"-18x1"(6PCS),Total 204PCS
- The #2-56 to 5/16"-18 UNC 304 Stainless Steel Socket Head Cap Screws Kit are includes most common SAE standard sizes so you can easily replace a lost screw;Packed in a plastic box,Easy to install and use
- Full thread;Length is measured from under the head;Thread Direction: Right Hand
$19.99

Best socket head screws - May 2026

Taiss 3670PCS Metric Screw Assortment M2 M3 M4 M5 33 Sizes Button & Socket Head Screws,Hex Bolts and Nuts Kit Flat/Lock Washer, Metric Bolts and Nuts Assortment with Handheld Box

Besitu 1760pcs M2 M3 M4 M5 Metric Screw Assortment, Grade 12.9 Alloy Steel Hex Socket Head Cap Bolts and Nuts Kit, Black Zinc Plated and Anti Rust Screw Set with 4 pcs Hex Wrenches

Fgruh 750PCS M3 Screws Assortment Kit, M3x6/8/10/12/16/20/25/30 mm Hex Socket Head Bolts, Nuts & Washers Assorted Set - 12.9 Alloy Steel Black Zinc Plated M3 Screw for 3D Printer,DIY

Fgruh 1760PCS Metric Screw Assortment Kit,M2 M3 M4 M5 Screws Set, Hex Socket Head Cap Bolts Nuts and Washers Kit for 3D Printing DIY, Grade 12.9 Alloy Steel, Black Zinc Plated

MCMASKE #2-56#4-40#6-32#8-32#10-24 1/4"-20 5/16"-18 UNC 304 Stainless Steel Socket Head Cap Screws Assortment Kit

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