M4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYer
M4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYer
M4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYer
M4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYer
M4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYer
M4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYer
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M4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYerM4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYerM4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYerM4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYerM4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYerM4 Aluminum Alloy Colourful Anodizing Hex Socket Button Head Screws - HomeDIYer

M4 Anodized Aluminum Button Head Socket Screws – 6 to 30mm, 9 Colors

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Price:
$2.68 USD
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In stock (1000 units), ready to be shipped

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Description

M4 Anodized Aluminum Button Head Socket Screws — 6mm to 30mm, 9 Anodized Colors

Standard socket cap screws have a tall cylindrical head that protrudes noticeably above the surface — functional, but visually bulky and prone to snagging on cables, fabric, or adjacent components in tight assemblies like FPV drone frames, RC model chassis, bicycle component mounts, and computer case panels where a low-profile fastener head is both safer and cleaner. These M4 anodized aluminum button head socket screws combine a low-profile dome (button) head with a hex socket drive and a vibrant anodized color finish, available in 9 anodized colors and 10 lengths from 6mm to 30mm.

Each screw features a wide, low-profile dome head (button head) with a recessed hex socket drive, machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance and rust prevention. The M4 metric thread (4mm nominal diameter, standard 0.7mm pitch) is compatible with M4 threaded holes, M4 nuts, and M4 inserts across a wide range of materials. The button head profile sits closer to the surface than a standard socket cap head, reducing snag risk and providing a cleaner, more finished appearance at each fastener location. Tolerance: ±0.3mm. Drive: 3mm hex key (Allen key).

These M4 anodized aluminum button head socket screws are widely used in FPV drone frame assembly, RC model vehicle and airplane chassis builds, aviation model toy accessories, high-end aluminum alloy bicycle frame and component assembly, golf club head machining and assembly, mechanical equipment and mold processing, computer case panel fastening, and any lightweight precision build where a color-matched, low-profile, corrosion-resistant M4 button head screw provides both functional fastening and a clean anodized color accent at each fastener location.

✅ M4 metric thread (4mm nominal diameter, 0.7mm standard pitch). Available in 10 lengths: 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 25 / 30mm. 9 anodized colors: Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple. Drive: 3mm hex key (Allen key). Tolerance: ±0.3mm.

✅ Key Features of These M4 Anodized Aluminum Button Head Socket Screws

  • 🔘 Low-Profile Dome (Button) Head — Reduced Snag Risk, Cleaner Appearance: The wide, low-profile dome head sits closer to the surface than a standard socket cap head, reducing the risk of snagging on cables, fabric, or adjacent components in tight assemblies. The smooth dome profile also provides a cleaner, more finished appearance at each fastener location compared to the taller cylindrical profile of a standard socket cap screw, making button head screws the preferred choice for visible panel fastening, frame assembly, and any application where a low-profile fastener head is required.
  • 🎨 9 Anodized Colors — Color-Match or Color-Code Your Build: Available in Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, and Purple anodized finishes. Color-match your FPV drone frame, RC model chassis, bicycle frame, or computer case, or color-code different fastener zones for quick visual identification during assembly and maintenance. The anodized finish is integrated into the aluminum surface for a hard, color-fast layer that resists fading and chipping under normal use conditions.
  • ⚡ High-Strength Aluminum Alloy — Lightweight, Non-Magnetic, Corrosion Resistant: Machined from high-strength heat-treatable aluminum alloy with good mechanical performance, good wear resistance, and good corrosion and oxidation resistance. Significantly lighter than steel button head screws of the same M4 size and non-magnetic, making these screws ideal for weight-sensitive FPV drone, RC aircraft, bicycle, and electronics enclosure builds where every gram of fastener weight matters.
  • 🔧 Hex Socket (Allen Key) Drive — High Torque in Confined Spaces: The recessed hex socket drive (3mm Allen key) allows high torque application in confined spaces where a standard open-end wrench cannot reach, while keeping the fastener head profile low and clean. The hex socket drive also reduces the risk of cam-out (slipping) compared to Phillips or flat-head drives, providing more reliable torque transfer during installation and removal.
  • 📐 10 Lengths — 6mm to 30mm for Diverse Grip Depth Requirements: Available in 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 25 / 30mm lengths to cover the most common grip depth requirements in FPV drone frame stacking, RC model chassis assembly, bicycle frame component mounting, and general DIY precision builds. Select the length that provides at least 1× thread diameter (4mm for M4) of thread engagement in the receiving material for reliable fastening.
  • 📦 M4 Standard Thread — Compatible with M4 Nuts, Inserts, and Threaded Holes: M4 metric thread (4mm nominal diameter, 0.7mm standard pitch) is compatible with M4 threaded holes, M4 hex nuts, M4 nylon insert lock nuts, M4 flanged nuts, M4 heat-set inserts, and M4 threaded standoffs across a wide range of materials including aluminum, steel, brass, and plastic. Tolerance: ±0.3mm.

🎯 Who Is This For?

🚁 FPV Drone & RC Model Builders

Ideal for FPV drone frame stacking, motor mount fastening, and RC model vehicle and airplane chassis assembly where lightweight, low-profile, color-matched anodized aluminum M4 button head screws provide secure fastening without the snag risk of taller socket cap heads, with 9 anodized color options across 10 available lengths from 6mm to 30mm.

🚴 Bicycle Frame & Component Builders

Used in high-end aluminum alloy bicycle frame assembly, component mounting, and accessory attachment where lightweight, low-profile, color-matched anodized aluminum M4 button head screws provide a clean dome-head fastening solution with a bold anodized color accent at each fastener location across 10 available lengths.

🖥️ Computer Case Modders & Electronics Builders

Used in computer case panel fastening, electronics enclosure assembly, and consumer electronics builds where lightweight, low-profile, color-matched anodized aluminum M4 button head screws provide a clean dome-head profile with a bold anodized color accent at each fastener location, available in 9 colors and 10 lengths to match any build aesthetic.

🔧 Precision Machinery & Mold Processing

Suitable for mechanical equipment assembly, mold processing, golf club head machining and assembly, and general precision manufacturing where lightweight, corrosion-resistant anodized aluminum M4 button head screws provide a low-profile hex-socket-drive fastening solution with good mechanical performance and ±0.3mm dimensional tolerance.

Material Aluminum Alloy (Anodized)
Thread Size M4 (4mm nominal diameter, 0.7mm standard pitch)
Head Style Button Head (low-profile dome head with recessed hex socket drive)
Drive Hex Socket (Allen Key) — 3mm hex key required
Available Lengths 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 25 / 30mm
Available Colors Dark Red / Rose Red / Golden / Royal Blue / Sky Blue / Black / Silver / Green / Purple (anodized)
Surface Treatment Anodizing (corrosion & oxidation resistant)
Tolerance ±0.3mm
Typical Applications FPV drones, RC models, aviation model toys, bicycle frames, golf club heads, mechanical equipment, mold processing, computer cases, consumer electronics, precision DIY builds

❓ Frequently Asked Questions

What size Allen key (hex key) do I need to drive these screws?

M4 button head socket screws typically require a 3mm hex key (Allen key) to drive. This is the standard hex socket size for M4 button head screws. Verify with a 3mm hex key before applying full torque to avoid rounding the socket recess.

What is the difference between a button head screw and a socket cap screw?

A button head screw has a wide, low-profile dome head that sits closer to the surface, reducing snag risk and providing a cleaner appearance. A socket cap screw (also called a socket head cap screw or Allen bolt) has a taller cylindrical head that protrudes more above the surface, providing a larger bearing surface and higher torque capacity. Button head screws are generally preferred for visible panel fastening and applications where a low-profile head is required; socket cap screws are preferred for higher-torque structural fastening applications.

Are these screws compatible with standard M4 nuts and threaded holes?

Yes. These screws have M4 metric thread (4mm nominal diameter, 0.7mm standard pitch) and are compatible with standard M4 threaded holes, M4 hex nuts, M4 nylon insert lock nuts, M4 flanged nuts, M4 heat-set inserts, and M4 threaded standoffs across a wide range of materials. Tolerance: ±0.3mm.

How do I choose the right screw length for my application?

As a general rule, the screw should engage at least 1× the thread diameter (4mm for M4) of thread in the receiving material for reliable fastening. For through-hole applications (screw passes through one material and threads into a nut or second material), the grip length should match the thickness of the material being clamped. For blind-hole applications (screw threads directly into a tapped hole), the screw should not bottom out in the hole before the head is fully seated.

Are these screws lighter than steel M4 button head screws?

Yes. Aluminum alloy is significantly lighter than steel — typically about one-third the weight for the same dimensions. These screws are also non-magnetic, making them suitable for applications where magnetic interference must be avoided. Note that aluminum button head screws have lower tensile strength than steel equivalents and are not suitable for high-load structural fastening applications.

Will the anodized color fade or chip over time?

The anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, making it generally more resistant to fading and chipping than painted alternatives under normal use conditions. Hard impacts, heavy abrasion, or contact with strong alkaline or acidic chemicals may damage the anodized layer.

Can I use these screws in outdoor applications?

The anodized aluminum alloy construction provides good corrosion resistance and oxidation resistance, making these screws suitable for many outdoor applications under normal weather conditions. For highly corrosive environments (salt spray, prolonged immersion), stainless steel button head screws are generally recommended instead.

🛒 Select your Color and Thread Diameter × Length above, then add to cart.

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