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Whether you're assembling electronics enclosures, RC car chassis, camera rigs, or precision mechanical components, sourcing the right small metric screw in the right quantity is a constant challenge. Stripped heads, missing washers, and mismatched thread pitches slow down every build. These Phillips flanged button head machine screws are engineered to solve exactly that — giving hobbyists, makers, and workshop professionals a corrosion-resistant fastener that's ready to work right out of the bag.
Each order consists of machine screws machined from 304 stainless steel (A2), featuring a low-profile button head with an integrated flange and a Phillips cross-drive recess. Available in diameters from M1.4 to M6 and lengths from 3mm (1/8") to 60mm (≈2-3/8"), with quantity options from 1 to 200 pieces per order. Thread pitch follows standard ISO metric coarse specifications for each diameter.
Typical use cases include securing PCB standoffs and electronics panels, assembling aluminum extrusion frames, fastening covers on 3D-printed enclosures, and general metric machine screw applications in RC vehicles, drones, and workshop jigs where a clean low-profile flanged button head is required.
| Material | 304 Stainless Steel (A2) |
|---|---|
| Head Style | Flanged Button Pan Head |
| Drive Type | Phillips (Cross / PH) |
| Thread Standard | ISO Metric Coarse |
| Diameter Range | M1.4, M2, M2.5, M3, M4, M5, M6 |
| Length Range | 3mm (1/8") to 60mm (≈2-3/8") |
| Quantity Options | 1, 5, 10, 20, 30, 50, 100, 200 Pcs |
| Finish | Natural Brushed Stainless |
| Corrosion Resistance | Good — suitable for indoor and general outdoor use |
| Recommended Driver Bit | PH0 (M1.4–M2), PH1 (M2.5–M3), PH2 (M4–M6) |
| Tensile Strength (typical) | Typically 500–700 MPa for 304 SS |
| Thread Engagement | See variant options |
| Country of Origin | Contact us to confirm |
Match the diameter to your tapped hole or nut (e.g., M3 for a 3mm threaded hole). For length, measure the material thickness and add typically 1–1.5× the screw diameter for adequate thread engagement. For example, fastening 4mm material with an M3 screw generally calls for a 6–8mm length (approx. 1/4" to 5/16"). The variant selector shows diameter × length (e.g., M3 × 8mm).
304 stainless steel screws generally have a tensile strength of approximately 500–700 MPa, suitable for light-to-medium duty fastening. For heavy structural or high-vibration applications, a higher-grade alloy steel fastener (e.g., Grade 8.8 or 10.9) is generally recommended.
304 stainless steel offers good corrosion resistance in most outdoor environments including rain, humidity, and mild coastal conditions. For highly aggressive saltwater or marine environments, 316 stainless steel is generally preferred. These screws are well-suited for general outdoor use in non-marine settings.
These screws use standard ISO metric coarse threads — M3×0.5, M4×0.7, M5×0.8, M6×1.0, etc. They are compatible with standard metric nuts, brass threaded inserts, and tapped holes per ISO 68-1. They will not fit UNC or UNF inch-threaded hardware.
Use a PH0 bit for M1.4–M2, a PH1 bit for M2.5–M3, and a PH2 bit for M4–M6. Apply steady downward pressure while driving to keep the bit seated and prevent cam-out.
The integrated flange acts as a built-in washer, distributing clamping load over a wider surface area. This reduces pull-through risk on softer materials like plastic or thin sheet metal and eliminates the need for a separate flat washer in most applications — saving assembly time and parts count.
Yes. The low-profile button head and flanged bearing surface make these screws well-suited for plastic enclosures, aluminum panels, and 3D-printed parts. For 3D-printed parts, brass heat-set inserts are typically recommended to provide durable threads for repeated assembly and disassembly.
