Flanged Button Head Phillips Machine Screws — M1.4 to M4, Built-In Washer Design for Cleaner Assemblies
Assembling a PCB mount, RC chassis, or precision enclosure and tired of juggling loose washers that slip out of position or add unnecessary bulk to a tight build? Electronics assemblers, RC hobbyists, robotics builders, and small-parts fabricators who need a low-profile fastener with reliable load distribution reach for flanged button head Phillips machine screws: the integrated flange acts as a built-in washer, so you get a cleaner assembly with fewer parts to manage.
Each size option comes in bags of 100 pieces. The Pack Quantity selector lets you choose 1 to 10 bags (100 to 1,000 pieces total) so you can order exactly what your project requires. Thread diameters range from M1.4 to M4, with lengths from 2.2mm (≈3/32") up to 16mm (≈5/8"), covering the most common small-fastener sizes used in precision mechanical and electronic assembly. Two surface finishes are available: nickel plated for a bright silver appearance, and black for a low-visibility matte look. All screws use a Phillips (cross-head) drive.
These flanged button head Phillips screws are a go-to choice for a wide range of precision assembly applications: securing PCBs and standoffs in electronics enclosures where a low-profile head and load-spreading flange prevent damage to circuit boards, fastening body panels and motor mounts on RC cars, drones, and robotics platforms where small metric screws with a clean head profile are essential, and assembling camera rigs, 3D printer frames, and DIY mechanical builds where a neat, washer-free fastener keeps the build tidy and professional.
🔩 Compatibility Note: These are ISO metric machine screws (M1.4, M2, M3, M4). They require a pre-tapped metric hole, threaded insert, or matching metric nut. Not compatible with UNC/UNF imperial threads. Each size option contains 100 pcs per bag — select your thread size, number of bags, and surface finish above.
✅ Key Features of These Flanged Button Head Phillips Machine Screws
- 🛠️Integrated Flange (Built-In Washer) — The flanged head distributes clamping load over a wider surface area, reducing the risk of pull-through on plastic panels, PCBs, and thin sheet metal — no separate washer needed, fewer parts to lose during assembly.
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📐Wide Size Range: M1.4 to M4 — Covers the most common small metric machine screw sizes used in electronics, RC, and precision mechanical builds, with multiple lengths per diameter so you can match the exact stack-up of your assembly.
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🎨Two Surface Finishes — Nickel plated for a bright silver appearance that is easy to inspect and suits most indoor assemblies; black finish for a low-visibility, matte look that blends into dark enclosures, RC chassis, and camera rigs.
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✟Phillips Drive — The cross-shaped Phillips recess is compatible with standard Phillips screwdrivers and power bits, making installation fast with tools already in your kit. Use the correct bit size for small screws (typically #000–#1 for M1.4–M3, #2 for M4) to avoid cam-out.
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📦Flexible Quantity Ordering — Each size comes in 100-piece bags; choose 1 to 10 bags per order (100–1,000 pcs). Order a single bag for a one-off project or stock up with multiple bags for production runs, workshops, or ongoing RC and robotics builds.
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🔧Low-Profile Button Head Design — The rounded dome profile sits close to the surface, reducing snag points in tight enclosures and moving assemblies. The low head height is especially useful in space-constrained builds like drone frames, 3D printer carriages, and compact electronics housings.
📐 Technical Specifications — Flanged Button Head Phillips Machine Screws
| Material |
Steel |
| Head Type |
Flanged button head (low-profile dome with integrated washer flange) |
| Drive Type |
Phillips (cross-head) |
| Thread Standard |
ISO Metric (M1.4, M2, M3, M4) |
| Available Thread Diameters |
M1.4, M2, M3, M4 |
| Available Lengths |
M1.4: 2.2mm (≈3/32"); M2: 4mm (≈5/32"); M3: 4, 4.5, 5, 6, 8, 10, 12, 14, 16mm; M4: 6, 8, 10, 12mm |
| Surface Finish Options |
Nickel Plated; Black |
| Pieces per Bag |
100 pcs |
| Pack Quantity Options |
1 bag (100 pcs) to 10 bags (1,000 pcs) |
| Corrosion Resistance |
Moderate (nickel plated); Limited (black finish) — see variant options |
| Recommended Driver Size |
M1.4–M2: #000 or #00 Phillips; M3: #1 Phillips; M4: #2 Phillips (typically) |
| Compatible Fasteners |
ISO metric nuts, threaded inserts, tapped holes (matching thread diameter) |
| Country of Origin |
Contact us to confirm |
⚠️ Ordering Note: The \u201cPack Quantity\u201d option refers to the number of 100-piece bags. Selecting \u201c3\u201d means you will receive 3 bags × 100 pcs = 300 screws of your chosen size and finish. Confirm your thread diameter, length, and finish before adding to cart.
❓ Frequently Asked Questions
How do I choose the right size flanged button head screw for my project?
Match the thread diameter to your tapped hole or nut size (M1.4, M2, M3, or M4), then choose a length that passes through your top material with enough thread engagement — generally at least 1× the thread diameter. For example, for a 3mm thick panel with an M3 screw, a 4mm (≈5/32") or 5mm (≈3/16") length is typically a good starting point. The flanged head eliminates the need for a separate washer, so factor that into your stack-up measurement.
How strong are these flanged button head screws?
These are steel machine screws, which generally offer good tensile strength for light-to-medium duty mechanical and electronic assembly applications. The exact grade is not specified — for high-load or safety-critical applications, confirm the required grade with an engineer. For typical uses such as securing PCBs, RC components, enclosure panels, and small mechanical assemblies, steel flanged button head screws are generally well-suited.
Are these screws suitable for outdoor use?
The nickel-plated finish provides moderate corrosion resistance suitable for indoor and light-duty applications. For prolonged outdoor exposure or humid environments, the plating may wear over time. The black finish is typically a black oxide or similar coating that offers limited corrosion resistance on its own. For outdoor or marine applications, stainless steel fasteners are generally a more reliable choice.
What thread standard do these screws use — will they fit my existing hardware?
These are ISO metric machine screws (M1.4, M2, M3, M4) with standard metric thread pitches. They are compatible with matching metric nuts, threaded inserts, and tapped holes. They are not compatible with UNC or UNF imperial threads. If your existing hardware is metric, these will fit. Always verify the thread diameter and pitch of your existing hardware before ordering.
What screwdriver do I need for Phillips flanged button head screws?
You need a Phillips (cross-head) screwdriver. For M1.4 and M2 screws, a #000 or #00 Phillips bit is typically required. For M3, a #1 Phillips is generally correct. For M4, a #2 Phillips is typically the right size. Using the correct bit size is especially important for small screws to avoid stripping the recess. Apply firm downward pressure while driving, and use a precision driver for M1.4 and M2 sizes.
What is the advantage of a flanged button head over a standard button head screw?
The integrated flange acts as a built-in washer, distributing the clamping load over a larger surface area. This reduces the risk of the head pulling through softer materials like plastic or thin sheet metal, and eliminates the need to source and install a separate washer. It also provides a cleaner, more finished appearance compared to using a loose washer, and saves assembly time in production environments.
How many screws are in each pack, and how does the quantity selector work?
Each size option contains 100 pieces per bag. The ‘Pack Quantity’ option lets you choose how many bags you need: 1 bag = 100 pcs, 2 bags = 200 pcs, up to 10 bags = 1,000 pcs. This makes it easy to order exactly the quantity you need, whether for a single project or ongoing production use. Larger quantities offer a lower per-unit cost.
Should I choose nickel plated or black finish?
Choose nickel plated for a bright, silver appearance that is easy to inspect and works well in most indoor mechanical and electronic assemblies. Choose black for a low-visibility, matte appearance that suits dark enclosures, RC builds, camera rigs, and applications where a stealthy or uniform look is preferred. Both finishes provide similar mechanical performance; the choice is primarily aesthetic and application-specific.
🛒 Select your thread size, pack quantity, and surface finish above, then add to cart — ships from our US warehouse.
