The Best M4X12 of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best M4X12 of 2025. Check our ranking below.
2,455 Reviews Scanned
Rank No. #1
BNUOK 120pcs M4 x 12mm Hex Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Allen Socket Drive, Full Threads,with Hex Spanner
- Sturdy & Durable: BNUOK M4 socket head cap screws are made of high-quality 12.9 Grade alloy steel, which has high hardness, good rust resistance, strong and durable. It has good corrosion resistance and can be used for a long time
- M4-0.7 Bolt Specification : Thread Diameter, 4mm; Thread Pitch, 0.7mm; Thread Length, 12mm; Head Diameter, 7mm; Head Height, 4mm; Drive Type, Allen Hex Socket; Allen Hex Drive Size, 3.08mm
- Wide Applications:The m4 screw is widely used for 3D printers, RC car, machinery repair, instruments, electronic products, DIY Project, household appliances, lamps, cabinets and bicycle repair
- Well-made M4 Screws: M4 x 12mm screws is features a design with a hex socket drive that provides more torque and more stable performance.These M4 bolts with clean threads, uniform pitch, no residual burrs, true to size
- Package Included: You will get 120pcs M4 bolts and 1pcs hex spanner.We promise a 24-month warranty, if you have any problems, please feel free to contact us, we will solve your problem within 24 Hours.
Rank No. #2
M4 x 12mm (50 Pack) Socket Head Cap Screws, 304 Stainless Steel Bolts with Hex Spanner, Allen Socket Drive, Full Thread, Bright Finish
- 【Premium Material & Corrosion Resistance】: HEXPHANT M4 x 12mm Socket Head Cap Screws Bolts are crafted from 304 Stainless Steel (18-8 Grade) , surpassing ordinary steel and zinc-plated fasteners. Enhanced corrosion resistance and anti-rust properties ensure durability in harsh environments, ideal for indoor and outdoor use.
- 【Precise Specifications & Functionality】: Thread Size: M4 x 12mm| Drive Type: Hex Socket | Head Style: Socket Head | Fully Threaded Machine Thread Design enhances grip and stability, while hex drive guarantees secure tightening for furniture, machinery, and DIY projects.
- 【Value Pack with Hex Key (50 PCS + Tool)】: Includes 50 PCS screws + 1 Hex Spanner for quick assembly. Perfect for home, office, workshops, or garage repairs. Fully threaded screws offer maximum grip strength for cabinets, beds, tables, communication equipment, and ship assembly.
- 【Rugged & Versatile Applications】: Engineered for heavy-duty use: furniture fastening (chairs, workbenches), mechanical industries, automotive repairs, and marine applications. 304 stainless steel resists deformation and withstands high-pressure environments, ensuring long-lasting performance.
- 【100% Satisfaction Guarantee】: HEXPHANT prioritizes quality and service. Contact us via email for any issues – we promise prompt solutions. Your trust drives our commitment to delivering screws at competitive prices.
Rank No. #3
iexcell 100 Pcs M4 x 12mm Thread Pitch 0.7 mm Alloy Steel 12.9 Grade Hex Socket Button Head Cap Screws Bolts Kit, Black Oxide Finish
- ✔ Includes 100 Pcs M4 x 12mm Hex Socket Button Head Cap Screws , Thread Size ( Diameter ): 4 mm, Thread Pitch: 0.7 mm, Thread Length: 12 mm, Total Length ( Includes Head ) 14.08 mm, Screw Head Style: Button Head, Head Diameter: 7.42 mm, Head Height: 2.08 mm Screw Drive Style: Hex Socket Drive, also Known as Internal Hex Drive, Hex Size: 2.5 mm
- ✔ Material of Screws: Alloy Steel 40Cr, Black Oxide Finish; Strength Grade of Screws : 12.9 Grade, Hardness: HRC 39-44, Tensile Strength: 1220 N/mm²
- ✔ 1 Pcs Hex Key, Hex Size: 2.5 mm, to Drive These Screws Conveniently and Easily
- ✔ Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
- ✔ Package: 100 Pcs M4 x 12mm Hex Socket Button Head Cap Screws and 1 Pcs Hex Key Come In Plastic Storage Case, Organized Conveniently and Easily
Rank No. #4
Fgruh 480PCS M4 Screws Assortment Kit, M4x6/8/12/16/20/30 mm Hex Socket Head Cap Bolts, Nuts & Washers Set, 12.9 Grade Alloy Steel Black Zinc Plated M4 Screw Assorted Kit for 3D Printer, DIY, Repairs
- 【Product details】- This M4 screw assortment kit comes with a total of 480 pieces, including 120pcs M4 hex socket head bolts, 120pcs hex nuts, 120pcs flat washers, 120pcs spring washers, and 1 mini wrench. This complete M4 screw set is ideal for 3D printers, electronics, RC models, DIY repairs, and CNC machinery.
- 【Standardized Metric Sizes】 -The M4 hex bolts assorted kit come with 7 commonly used lengths—M4-0.7 x 6mm, 8mm, 12mm, 16mm,20mm,25mm,30mm—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 4mm socket head cap screws and nuts set with oil-free black galvanizing for corrosion resistance. Smooth, burr-free surface with precise threading ensures secure fastening. Weatherproof design maintains hardness and durability for long-term all-weather use. Perfect for demanding applications requiring strength and reliability.
- 【Wide Applications】This M4 hex socket head bolts assortment 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 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.
Rank No. #5
M4 x 12mm (50 Pack) Metric Flat Head Hex Socket Cap Screws Bolts, 304 Stainless Steel 18-8, Hex Drive, Bright Finish, Fully Machine Thread
- VALUE PACKAGING AND EASY TO USE: This Flat Head Hex Socket Cap Screws Bolts package contains 50Pcs screws, 1 Pcs hex key. You can get your work done easily and qucikly. They are ideal for use at home, in the office or at work.They are ideal for use at home, in the office or at work.
- Product Size: Thread Diameter: 4mm; Thread Pitch: 12mm.
- RUGGED AND DURABLE - Our Flat Head Hex Socket Cap Screws Bolts made of high-quality 18-8(304)Stainless Steel，which has higher corrosion resistance and anti-rust effect than ordinary bolt, longer service life, not easy to damage, more solid.
- WIDE RANGE OF APPLICATIONS - Flat Head Hex Socket Cap Screws Bolts can be widely used in the home and office appliance, communication equipments, ship assembly , the mechanical industry and small repairs around shops, garages or home furniture fasteners.
- INTIMATE SERVICE - We focus on customer satisfaction, if you have any questions or are not satisfied, you can contact us by email, we will solve all your problems as soon as possible.
Rank No. #6
100 PCS M4 x 12mm Flat Head Socket Cap Screws Bolts, 10.9 Grade Carbon Steel Countersunk Allen Bolts, Full Thread, Black Coating, Screwdriver Included
- Thread Diameter: 4mm, Thread Pitch: 0.7mm, Screw Length: 12mm, Head Diameter: 7.6mm.
- Material - The M4 x 12mm screws are made of high quality 10.9 Grade Carbon Steel with Black Coating, which provides high corrosion resistance and anti-rust property even in different extreme environment.
- Performance - The socket head M4 screws are not easy to deform or damage, long service life and more solid. They have deep and clear threads, good fastening performance, smooth surface and good-looking appearance.
- Package Included - 100 PCS Flat Head Socket Cap M4 Bolts with a Screwdriver.
- Wide Application - The Flat Head Socket Cap Screws are widely used in furniture fasteners, woodworking projects, office appliances, communication equipment, and various machinery industry.
Rank No. #7
M4 x 12mm (50 Pack) Metric Flat Head Hex Socket Cap Screws Bolts, Black Oxide 304 Stainless Steel 18-8, Hex Drive, Bright Finish Fully Machine Thread
- VALUE PACKAGING AND EASY TO USE: This Flat Head Hex Socket Cap Screws Bolts package contains 50Pcs screws, 1 Pcs hex key. You can get your work done easily and qucikly. They are ideal for use at home, in the office or at work.They are ideal for use at home, in the office or at work.
- Product Size: Thread Diameter: 4mm; Thread Pitch: 12mm.
- RUGGED AND DURABLE - Our Flat Head Hex Socket Cap Screws Bolts made of high-quality Black Oxide 304 Stainless Steel 18-8，which has higher corrosion resistance and anti-rust effect than ordinary bolt, longer service life, not easy to damage, more solid.
- WIDE RANGE OF APPLICATIONS - Flat Head Hex Socket Cap Screws Bolts can be widely used in the home and office appliance, communication equipments, ship assembly , the mechanical industry and small repairs around shops, garages or home furniture fasteners.
- INTIMATE SERVICE - We focus on customer satisfaction, if you have any questions or are not satisfied, you can contact us by email, we will solve all your problems as soon as possible.
Rank No. #8
BNUOK 120pcs M4 x 12mm Hex Socket Head Cap Screws Bolts, 304 Stainless Steel 18-8, Allen Socket Drive,Bright Finish, Full Threads,with Hex Spanner
- 304 Stainless Steel: BNUOK M4 socket head cap screws are made of high-quality 304 stainless steel 18-8, which features is corrosion resistance, rust resistance, and high hardness
- M4-0.7 Bolt Specification : Thread Diameter, 4mm; Thread Pitch, 0.7mm; Thread Length, 12mm; Head Diameter, 7mm; Head Height, 4mm; Drive Type, Allen Hex Socket; Allen Hex Drive Size, 3.08mm
- Well-made M4 Screws: M4 x 12mm screws is features a design with a hex socket drive that provides more torque and more stable performance.These M4 bolts with clean threads, uniform pitch, no residual burrs, true to size
- Wide Applications:The m4 screw is widely used for 3D printers, RC car, machinery repair, instruments, electronic products, DIY Project, household appliances, lamps, cabinets and bicycle repair
- Package Included: You will get 120pcs M4 bolts and 1pcs hex spanner.The M4 screw is made of 304 stainless-steel, may be slightly magnetic
Rank No. #9
iexcell 100 Pcs M4 x 12mm Thread Pitch 0.7 mm Stainless Steel 304 Hex Socket Head Cap Screws Bolts Kit
- ✔ Includes 100 Pcs M4 x 12mm Hex Socket Head Cap Screws , Thread Size ( Diameter ): 4 mm, Thread Pitch: 0.7 mm, Thread Length: 12 mm, Total Length ( Includes Head ): 15.91 mm, Screw Head Style: Socket Cap Head, Head Diameter: 7.00 mm, Head Height: 3.91 mm, Screw Drive Style: Hex Socket Drive, also Known as Internal Hex Drive, Hex Size: 3.0 mm
- ✔ Material of Screws: Stainless steel 304, High Strength and Anti-corrosion in Various Conditions
- ✔ 1 Pcs Hex Key, Hex Size: 3.0 mm, to Drive These Screws Conveniently and Easily
- ✔ Material of Hex Key: Chrome-Vanadium Steel, Nickel Plated, Higher Strength, Anti-rust
- ✔ Package: These 100 Pcs M4 x 12mm Hex Socket Head Cap Screws and 1 Pcs Hex Key Come In Plastic Storage Case, Organized Conveniently and Easily
Rank No. #10
120Pcs M4-0.7 × 12mm Button Head Socket Cap Screws, 304 Stainless Steel Fully Thread Allen Bolts with Wrench
- Product Basic Information: Head Style: Button Head; Thread Size: 4 MM; Thread Pitch: 0.7 mm; Thread Style: Right Hand; Thread Coverage: Full Thread; Allen Hex Drive Size: 2.5mm
- Round Head Hexagon Socket: Featuring a smooth, dome‐shaped head that minimizes snags and enables higher torque and clamping force, these bolts streamline assembly and reduce installation time
- 304 Stainless Steel : Manufactured from premium 304 stainless steel for outstanding corrosion resistance and long‐term durability, these bolts deliver reliable performance in harsh industrial, automotive, and outdoor environments
- Versatile Usage Scenarios: Widely used in industrial production, automotive assembly, furniture manufacturing, machine tooling, and steel fabrication, these metric bolt assortment provide impressive clamping strength while offering a neat
- Secure Grid Box Packaging: 120 Pcs M4*12 screw + 1 Wrench is packed in a sturdy box With label that organizes and protects every component, ensuring hassle-free storage, safe transport, and quick access during assembly
Last update on 2026-04-18 / Affiliate links / Images from Amazon Product Advertising API
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