📦 Product Overview: Phillips Flanged Button Head Machine Screws (M2–M4)
If you’ve ever struggled with tiny screws that strip easily or need separate washers for every bolt, these M2, M2.5, M3, and M4 Phillips flanged button head machine screws are a solid upgrade. The nickel-plated steel gives them a clean, corrosion-resistant finish — perfect for electronics repair, 3D printer assembly, drone builds, or securing panels inside DIY projects. The integrated flange distributes pressure without extra hardware, and the Phillips drive bites well so you won’t slip and damage surrounding surfaces. Grab these metric machine screws for jobs where reliability and a tidy low-profile head matter.
🔧 Key Features of Ni-plated Steel Flanged Button Screws
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Nickel-plated steel construction – Provides good everyday corrosion resistance for workshops, indoor gear, and light outdoor use, keeping your screws looking cleaner longer.
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Phillips drive with reduced cam-out – The cross-shaped recess holds your screwdriver securely, making it easier to drive these small machine screws without frustrating slips.
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Flanged button head design – No separate washers needed; the built-in flange spreads clamping force evenly, prevents surface marring, and leaves a neat, low-profile finish.
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Metric sizes M2 / M2.5 / M3 / M4 – Covers the most common small fastener diameters for electronics, RC vehicles, laptop repairs, camera rigs, and home automation projects.
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GB standard precision threads – Each screw meets GB quality standards for consistent threading, so you get a reliable fit with standard metric nuts or tapped holes.
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Versatile application range – Perfect for 3D printers, drones, computer cases, furniture hardware, instrument panels, and any DIY assembly where space is tight but strength matters.
📏 Technical Specifications – M2 to M4 Metric Machine Screws
| Specification |
Details |
| Product Type |
Flanged Button Head Machine Screws |
| Material |
Steel with Nickel Plating (Ni-plated Steel) |
| Finish / Plating |
Nickel-plated, bright matte |
| Drive Style |
Phillips (cross-head) |
| Head Style |
Flanged Button Head (integrated washer flange) |
| Available Diameters (Thread Size) |
M2, M2.5, M3, M4 |
| Thread Pitch (Coarse Metric) |
M2x0.4, M2.5x0.45, M3x0.5, M4x0.7 (standard coarse thread) |
| Length Options |
Varies by pack – please select your needed length from product options (common lengths: 4mm–20mm depending on diameter) |
| System of Measurement |
Metric |
| Standard |
GB (Chinese National Standard) |
❓ Frequently Asked Questions About Flanged Button Head Machine Screws
🔹 Do these screws come with nuts or washers?
No, they are sold as screws only. However, the flanged button head eliminates the need for separate washers because the flange acts as an integrated washer. For nuts, you’ll need to purchase M2, M2.5, M3, or M4 metric nuts separately — they pair perfectly with standard metric threads.
🔹 Are these nickel-plated screws rust-proof for outdoor use?
Nickel plating offers good corrosion resistance for indoor environments, workshops, and occasional outdoor use (like on covered patio equipment). For constant wet conditions or salt air, stainless steel would be a better choice. These are ideal for electronics, appliances, and DIY projects where humidity is low to moderate.
🔹 What Phillips screwdriver size should I use?
For M2 and M2.5 screws, use a PH0 or PH00 bit for best grip. For M3 and M4, a PH1 or PH2 (mostly PH1) works well. A quality screwdriver that matches the screw head prevents stripping and gives you better control, especially with smaller fasteners.
🔹 Can I use these flanged button head screws with plastic or soft materials?
Yes — the flange spreads pressure over a wider area, which reduces the chance of cracking or sinking into plastic parts. Just be careful not to overtighten. They’re a popular choice for 3D printed parts, ABS enclosures, and plastic panel mounting.
🔹 Are these screws magnetic? Will they interfere with sensitive electronics?
The steel core makes them slightly magnetic (typical for carbon steel with nickel coating). For most consumer electronics like laptops, drones, or control boards, this low-level magnetism won’t cause issues. If your project involves extremely sensitive magnetic sensors (e.g., certain medical or lab devices), consider brass or 316 stainless screws instead.