Best Socket Head Screws Deals of Oct 2026

Updated October 28, 2026Our site contains affiliate links for which we may be compensated.
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Fgruh 1220PCS M3 M4 M5 M6 Metric Hex Socket Head Screws Assortment Kit | 6/8/10/12/16/20/25/30/35 mm Metric Bolt Kit, M3-0.5, M4-0.7, M5-0.8, M6-1.0 304 Stainless Steel m Screw Set for 3D Print

【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.
【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.
【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.
【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.
【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.
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Fgruh 1760PCS M2 M3 M4 M5 Metric Hex Socket Head Screws Assortment Kit | 6/8/12/16/20mm Metric Bolt Kit, M2-0.4,M3-0.5,M4-0.7,M5-0.8, m Screw Nut & Washers Set for 3D Print, Grade 12.9 Black Zinc

【4 Sizes Metric Screw Set】This 1760pcs screws kit includes M2, M3, M4, M5 sizes with precise thread diameters (2mm/3mm/4mm/5mm) and Lenths of the bolts: M2x6mm/8mm/12mm/16mm, M3x6mm/8mm/12mm/16mm, M4x8mm/12mm/16mm/20mm, M5x8mm/12mm/16mm/20mm. According with standardized metric system. And the average error is less than 0.01mm.
【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.
【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.
【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.
【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.
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Fgruh 2640PCS M2 M3 M4 M5 Metric Socket Button Head Screws Assortment Kit | 4/6/8/12/16/20 mm Metric Bolt Kit, M2-0.4,M3-0.5,M4-0.7,M5-0.8 m Screw Nut & Washers Set for 3D Print, Grade 10.9 Black Zinc

【4 Sizes Metric Screw Assortment Kit】This 2640pcs screws set includes M2-0.4, M3-0.5, M4-0.7, M5-0.8 sizes with precise thread diameters (2mm/3mm/4mm/5mm). Lenths of the thread M2x4mm/8mm/12mm/16mm. M3x4mm/8mm/12mm/16mm. M4x6mm/8mm/12mm/16mm. M5x8mm/12mm/16mm/20mm.According with standardized metric system. And the average error is less than 0.01mm,perfect for professional and DIY projects.
【High quality】– Made of durable 10.9 grade alloy steel metric bolts, nuts and washers assorted kit with oil-free black galvanizing for corrosion resistance. Smooth, burr-free surface with precise threading ensures secure fastening. Weatherproof design maintains hardness and good rust resistance for indoor/light outdoor use.Perfect for demanding applications requiring strength and reliability.
【Organized & Portable】The hex socket button head bolt assortment sets are neatly packed in a sturdy plastic storage box, ensuring easy organization and quick access. The metric machine assortment kit includes M2 M3 M4 M5 sizes for convenient use.Compact design fits in tool bags—great for pros or as a gift.
【Wide Applications】Keep a set of commonly used small screw hardware kit at hand. Whether you are working on DIY projects, small projects repair, or professional construction, it can meet your needs at any time, making your work more convenient and efficient.
【Brand Guarantee】 Backed by rigorous quality control, Fgruh guarantees reliable metric screw for your projects. Enjoy peace of mind with our 24-month warranty and dedicated customer support.
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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

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
Full thread;Length is measured from under the head;Thread Direction: Right Hand
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
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Fgruh 1120PCS M3 Socket Screws Assortment Kit,M3x6/8/10/12/16/20/25/30 mm | M3-0.5 Hex Socket Cap Head Bolts Nuts Washers Assorted Set, Metric 3mm Screws for 3D Print, Grade 12.9 Alloy Steel Black Zinc

【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.
【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.
【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.
【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.
【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.
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3/8-16 x 1-1/2" Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Full Thread, 10 PCS

Key Specs: 3/8-16 x 1-1/2"; Head Diameter: 0.54" – 0.562" (13.72 – 14.27 mm); Head Height: 0.375" (9.5 mm); Drive Size: 5/16" Allen Hex; Thread: Full; Package: 10 PCS
Engineered from high-tensile 12.9 grade alloy steel, this bolt offers the ultimate in mechanical strength and load-bearing capacity. The added black oxide finish provides a basic layer of corrosion resistance and a clean, non-reflective appearance suitable for most industrial environments
The knurled (grip) pattern around the head allows for easy finger-tightening and tool grip in oily or gloved conditions. The internal hex drive enables high-torque installation with superior force transfer and minimal risk of stripping or cam-out
Built for Maximum Load Applications & Heavy Machinery: Employed in press frames, hydraulic power unit assemblies, trailer hitch components, and large gear reducers. This size delivers the clamping force required for the most demanding industrial and structural connections
The full-length thread design provides maximum thread engagement along the entire shank, making it the optimal choice for securing thick materials, through-holed components, or when used with a nut. It offers versatile strength and is easier to adjust in deep or blind tap holes, ensuring a reliable hold in a wide range of assembly scenarios
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50 PCS M6-1.0 x 8mm Hex Socket Head Cap Screws Bolts, Black Oxide Finish, Allen Socket Drive, 12.9 Grade Alloy Steel M6 Bolts with Hex Wrench, Fully Machine Thread

Specification: Thread Diameter, 6mm; Thread Pitch, 1.0mm; Thread Length, 8mm; Head Diameter, 9.8mm; Head Height, 5.8mm.
Material: Made of high-grade 12.9 alloy steel, which offers high hardness, good strength, excellent rust resistance, ensuring long-term usability and reliable performance even in harsh conditions.
Performance: The M5 x 6mm bolts feature a recessed allen drive design which ensures high torque and deliver reliable and stable fastening effect for maintenance and assembly work.
Feature: The socket head cap screw are suitable for installation in tight spaces, and its smooth and burr-free threads ensure a smooth installation process.
Wide Applications: These M5 screws are widely used for furniture assembly, household appliances, automotive repair, ship assembly, machinery industry, and DIY project.
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Fgruh 272PCS M5 Socket Screws Assortment Kit, M5x8/10/12/16/20/25/30/35 mm | M5-0.8 Hex Socket Cap Head Bolts Nuts Washers Assorted Set, Metric 5mm Screws for 3D Print, Grade 12.9 Alloy Steel Black Zinc

【Product Details】- This M5 screw assortment kit comes with a total of 272 pieces, includes 72pcs hex socket head bolts,40pcs hex nuts, 80pcs flat washers, 80pcs spring washers, and a mini wrench.The m5 metric socket head cap screw kit feature 8 commonly used lengths—M5-0.8 x 8mm, 10mm,12mm, 16mm,20mm,25mm,30mm,35mm—ideal for routine installations and repairs. They meet standard metric specs, the average error is less than 0.01mm.
【High Quality】– Made of durable 12.9 alloy steel 5mm black hardware kit with oil-free black galvanizing for corrosion resistance. Smooth, burr-free surface with precise threading ensures secure fastening. Good rust resistance for indoor/light outdoor use. Perfect for demanding applications requiring strength and reliability.
【Wide Applications】This M5 hex socket head bolts assorted kit is perfect for all sorts of building and repair projects. Whether you’re into 3D printing, working on RC cars, fixing small electronics, or tackling DIY jobs—these screws have you covered.
【Organized Storage Box 】- The M5 machine screw set 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.
【Brand Guarantee】 Backed by rigorous quality control, Fgruh guarantees reliable metric screw for your projects. Enjoy peace of mind with our 24-month warranty and dedicated customer support.
Details & specs
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on Amazon.com
Our #1 Pick Today
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Fgruh 1220PCS M3 M4 M5 M6 Metric Hex Socket Head Screws Assortment Kit | 6/8/10/12/16/20/25/30/35 mm Metric Bolt Kit, M3-0.5, M4-0.7, M5-0.8, M6-1.0 304 Stainless Steel m Screw Set for 3D Print

【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.
【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.
【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.
【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.
【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.
Details & specs
Check Price
on Amazon.com
Disclaimer: While we make every effort to ensure accuracy, we cannot guarantee that all product specifications, pricing, discounts, and details are complete or error-free. Because information is subject to change, we recommend verifying all details directly with the retailer prior to making a purchase. As an Amazon Associate, we earn from qualifying purchases.

10 Socket Head Screws deals are available from: Amazon, starting from $6.99.

The lowest price we found is $6.99 while the highest is $22.99. Prices for the best Socket Head Screws deals average at $14.19.

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