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Best socket head screws - June 2026

Last Updated - June 15, 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.

iexcell

iexcell 1500 Pcs M3 x 4/6/8/10/12/16/20/25/30/35/40/45/50 Stainless Steel 304 Hex Socket Head Cap Screws Blots Nuts Washers Assortment Kit

iexcell

$26.86

More Details
Main highlights
- 【 Organized and Packed Well 】 These 500 Pcs Screws, 500 Pcs Hex Nuts, 500 Pcs Washers and 1 Pcs Hex Key Packed in a Sturdy Multi-compartments Plastic Organizer Box , Organized Conveniently and Easily【 About Hex Socket Drive 】 Hex Socket Drive, also known as Internal Hex Drive, have a hexagonal hole in the center that requires an Allen key, also known as a hex key or Allen Wrench 【 AboutSocket Cap Head 】Socket Cap Head , also known as Allen head , have a recessed drive, and are commonly used when there is not enough clearance for a conventional wrench or socket. They are fastened with an Allen wrench, which is also called a hex wrench or hex key
- ✔ Includes 500 Pcs, 13 Sizes, M3 Hex Socket Head Cap Screws, Screws Head Style: Socket Cap Head, Screws Drive Style: Hex Socket Drive ( Hex Size 2.5 mm ), Thread Pitch 0.5 mm, Thread Size ( Diameter ) 3 mm, Thread Length From 4 mm to 50 mm: M3 x 4, M3 x 6, M3 x 8, M3 x10, M3 x 12, M3 x 16, M3 x 20, M3 x 25, M3 x 30, M3 x 35, M3 x 40, M3 x 45, M3 x 50. These Screws are Made of Made of Stainless Steel 304 and Not Need Additional Finish,High Strength and Anti-corrosion in Various Conditions.
- ✔ Includes 500 Pcs Φ3 Washers: Add More Touch Area to Meet Different Applications, Protect Parts from Being Damaged;These Washers are Made of Made of Stainless Steel 304 and Not Need Additional Finish,High Strength and Anti-corrosion in Various Conditions.
- ✔ Includes 500 Pcs Thread Pitch 0.5 mm M3 Hex Nuts to Meet Different Applications;These Hex Nuts are Made of Made of Stainless Steel 304 and Not Need Additional Finish,High Strength and Anti-corrosion in Various Conditions.
- ✔ Includes 1 Pcs Hex Key, Hex Size: 2.5 mm, to Drive These Screws Conveniently and Easily; This Hex Key is Made of Chrome-Vanadium Steel and Nickel Plated, Higher Strength and Anti-rust
$26.86
2
Best Value

✖
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

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

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
3

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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
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 1220PCS M3 M4 M5 M6 Metric Screws Assortment Kit,Hex Socket Head Cap Bolts Nuts and Washers Assorted Kit,304 Stainless Steel Hardware Set for DIY, 3D Printer

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.
- 【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 M3 M4 M5 M6 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 1220pcs screws kit includes M3, M4, M5,M6 sizes with precise thread diameters (3mm/4mm/5mm/6mm) and Lenths of the bolts M3-0.5x6mm/8mm/10mm/12mm, M4-0.7x8mm/10mm/16mm/20mm, M5-0.8x10mm/16mm/20mm/30mm, M6-1.0x16mm/25mm/35mm. According with standardized metric system. And the average error is less than 0.01mm.
- 【304 Stainless Steel Material 】 This metric cap head bolts,nuts and washers assortment kit are made of high-quality 304 stainless steel, which resist corrosion and rust, with smooth threads and high hardness for secure fastening, heavy-load capacity, and long-term use in all conditions.
$21.99
5

✖
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 - June 2026

iexcell 1500 Pcs M3 x 4/6/8/10/12/16/20/25/30/35/40/45/50 Stainless Steel 304 Hex Socket Head Cap Screws Blots Nuts Washers Assortment Kit

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 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 1220PCS M3 M4 M5 M6 Metric Screws Assortment Kit,Hex Socket Head Cap Bolts Nuts and Washers Assorted Kit,304 Stainless Steel Hardware Set for DIY, 3D Printer

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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