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Standard silver screws stand out on dark surfaces — and in stealth PC builds, black anodized drone frames, dark furniture, and marine hardware, that’s exactly the problem. These M2 and M2.5 countersunk Phillips screws are made from A2 (304) stainless steel with a black finish, giving you corrosion resistance and a low-profile look that blends into dark assemblies. The 90° flat head sinks flush into a pre-drilled countersink, leaving a smooth, snag-free surface.
Available in M2 (0.4mm pitch) and M2.5 (0.45mm pitch) thread diameters, with overall lengths from 3mm to 60mm across 17 length options. All screws are fully threaded from under the head to the tip. Length is measured overall (head included) — an M2 × 10mm screw has a total length of 10mm including the head. Head dimensions: M2 head ø 3.5–3.8mm, height 1.3mm; M2.5 head ø 4.4–4.7mm, height 1.5mm.
Ideal for electronics enclosures and PCB mounting, black-finished furniture and cabinetry, marine and outdoor hardware, drone and RC model frames, stealth PC builds, and any precision assembly where a flush, dark, corrosion-resistant fastener is required.
Black countersunk screws disappear into dark panels and chassis — no silver hardware breaking the aesthetic. The flush head keeps cable management clean and surfaces snag-free.
M2 and M2.5 are the two most common thread sizes in drone frame assembly. Black finish matches anodized aluminum frames; A2 stainless handles vibration and outdoor exposure better than coated carbon steel.
A2 stainless resists salt spray and moisture. Black finish adds extra protection and a premium look on dark-finished marine fittings, outdoor furniture, and weatherproof enclosures.
Flush-sitting black screws on dark wood, MDF, or powder-coated metal panels — no visible hardware, no color mismatch. The countersunk head can be filled or left exposed for a clean industrial look.
| Thread Sizes | M2 / M2.5 |
|---|---|
| Thread Pitch | M2: 0.4mm / M2.5: 0.45mm |
| Head Style | Countersunk flat head (90°) |
| Drive Style | Phillips (cross recess) |
| Head Diameter | M2: ø 3.5–3.8mm / M2.5: ø 4.4–4.7mm |
| Head Height | M2: 1.3mm / M2.5: 1.5mm |
| Overall Length Range | 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16, 18, 20, 22, 25, 28, 30, 32, 35, 38, 40, 45, 50, 60mm |
| Thread Coverage | Fully threaded (head to tip) |
| Length Measurement | Overall (head included) |
| Material | A2 (304) Stainless Steel |
| Finish | Black (matte/semi-matte) |
| Corrosion Resistance | Excellent — A2 stainless + black coating |
| Typical Applications | Electronics enclosures, drone frames, marine hardware, dark furniture, PC builds |
| Recommended Driver | M2: #000 or #00 Phillips / M2.5: #0 Phillips |
For countersunk screws, length is measured overall — from the top of the head to the tip. An M2 × 10mm screw has a total length of 10mm including the head. This is the standard for flat-head countersunk fasteners and matches our listings.
Yes. These are true 90° countersunk screws. To achieve a flush finish, drill a matching 90° countersink hole using a countersink bit slightly larger than the head diameter. In soft materials you can gently press the head in, but proper countersinking gives the cleanest result.
Yes. All M2 and M2.5 screws in this range (3–60mm overall length) are fully threaded from under the head to the tip, providing maximum grip across the full length of the fastener.
The black coating is durable but can scratch under heavy use. However, the base material is A2 (304) stainless steel — even if the coating wears, the screw itself will not rust. This is a significant advantage over black-coated carbon steel screws, which will corrode once the coating is damaged.
Yes. A2 stainless steel is highly corrosion-resistant and performs well outdoors, including in coastal and salt-spray environments. The black coating adds extra protection. Suitable for marine fittings, garden furniture, outdoor electronics enclosures, and similar applications.
Use a #000 or #00 Phillips screwdriver for M2 screws, and a #0 Phillips for M2.5. Precision screwdriver sets include these small sizes. Always match the bit size to the recess to avoid cam-out, which can strip the nylon or metal recess.
A2 stainless steel is the designation for 304-grade austenitic stainless steel — the most common grade used in fasteners. It offers excellent corrosion resistance, good strength, and is non-magnetic. It is suitable for most indoor and outdoor applications. A4 (316) stainless offers higher corrosion resistance for extreme marine or chemical environments.
