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Standard steel countersunk screws add unnecessary weight and corrode over time in precision builds — a real problem in aerospace models, high-end bicycle frames, and mechanical equipment where every gram and every surface finish matters. These anodized aluminum M5 countersunk Allen socket screws deliver a flush, clean installation with a fraction of the weight of steel, in 9 vibrant anodized colors to match or accent your build.
Machined from high-strength aluminum alloy with an anodized surface treatment, each screw features a countersunk (flat) head for flush-mount installation and an Allen (hex socket) drive for precise torque application with a standard hex key. Available in 9 anodized colors — Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, and Purple — and thread lengths from 6mm to 30mm (M5 thread). Tolerance: ±0.3mm.
These M5 countersunk Allen socket screws are widely used in aerospace industry components, aviation and RC model toy accessories, high-end aluminum alloy bicycle frames, golf club heads, mechanical equipment, mold processing, computer accessories, and general DIY precision builds where a flush, lightweight, corrosion-resistant fastener is required.
Ideal for aerospace industry components, aviation model toy accessories, and RC builds where lightweight, flush-mount fasteners are required to reduce weight and maintain aerodynamic surfaces.
Used in high-end aluminum alloy bicycle frames and golf club head assembly where flush-mount, corrosion-resistant, lightweight fasteners are needed for both performance and aesthetics.
Suitable for mechanical equipment assembly, mold processing, and computer accessories where precise, flush-mount M5 fasteners with consistent tolerances are required for reliable component alignment.
Perfect for any DIY precision build, custom enclosure, or fabrication project where a lightweight, anodized color-matched countersunk screw adds both function and visual appeal to the finished piece.
| Material | Aluminum Alloy (Anodized) |
|---|---|
| Thread Size | M5 |
| Head Style | Countersunk (Flat Head, Flush Mount) |
| Drive Style | Allen (Hex Socket / Internal Hex) |
| Available Lengths | 6mm, 8mm, 10mm, 12mm, 15mm, 20mm, 25mm, 30mm |
| Available Colors | Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple (anodized) |
| Surface Treatment | Anodizing |
| Tolerance | ±0.3mm |
| Typical Applications | Aerospace models, RC toys, bicycle frames, golf club heads, mechanical equipment, mold processing, computer accessories, DIY precision builds |
These countersunk Allen socket screws are M5 metric thread. They are available in 8 thread lengths: 6mm, 8mm, 10mm, 12mm, 15mm, 20mm, 25mm, and 30mm. Select your preferred color and length from the variant options above.
These screws use an Allen (hex socket / internal hex) drive. A standard M5 hex key (Allen key) is required for installation. The internal hex drive allows precise torque application and reduces the risk of cam-out compared to Phillips or slotted drives.
Yes. These are countersunk (flat head) screws designed to sit flush with or below the surface of the material when installed in a properly countersunk hole. This creates a clean, snag-free finish suitable for aerodynamic surfaces, bicycle frames, and precision model components.
Yes. Aluminum alloy is significantly lighter than steel — typically about one-third the weight for the same volume. This makes these screws well-suited for weight-sensitive applications such as RC models, aviation accessories, and bicycle frames where reducing fastener weight contributes to overall performance.
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.
These M5 countersunk Allen socket screws are manufactured to a tolerance of ±0.3mm on thread length and head dimensions, ensuring consistent fit across standard M5 countersunk holes in aluminum, composite, and plastic components.
Most color and length combinations are available. Select your preferred color and thread length from the variant dropdowns above to confirm availability. Note that not all color/length combinations may be listed — check the variant selector for the full available range.
