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Stocking the right stainless machine screw across the full M2–M10 range — without ordering from multiple listings or settling for plated steel that will eventually rust — is a persistent challenge for workshops, repair technicians, and builders. These A2 (304) stainless steel pan head Phillips machine screws cover M2 through M10 in a single listing, with over 150 size combinations from M2×3mm (0.12”) to M10×40mm (1.57”) and lengths up to 100mm (3.94”) on larger diameters.
The pan head profile provides a wide, flat bearing surface that distributes clamping force evenly across panels, housings, and structural assemblies. The Phillips drive is compatible with standard screwdrivers (PH0 through PH3, depending on size). Pack sizes from 1 to 100 pieces let you order a single replacement or stock a full range for production use.
Typical applications span the full range: micro electronics and PCB mounting (M2–M2.5), laptop and keyboard assembly (M2.5–M3), electronics enclosures and panel mounting (M3–M4), general-purpose DIY and workshop projects (M4–M6), and medium structural fastening in machinery, equipment, and outdoor fixtures (M6–M10).
| Material | A2 Stainless Steel (304 / 18-8) |
|---|---|
| Finish | Natural stainless (no coating) |
| Thread Standard | ISO Metric |
| Thread Diameters | M2, M2.5, M3, M4, M5, M6, M8, M10 |
| Head Style | Pan Head (Round Head) |
| Drive Type | Phillips — PH0 (M2–M2.5) / PH1 (M3–M4) / PH2 (M5–M6) / PH3 (M8–M10) |
| Length Range | 3mm (0.12”) to 100mm (3.94”) — varies by diameter |
| Pack Sizes | 1 / 2 / 5 / 10 / 20 / 50 / 100 pcs (varies by size) |
| Screw Type | Machine screw (requires tapped hole or nut) |
| Length Measurement | Excluding head (shaft length only) |
| Corrosion Resistance | Excellent — suitable for indoor and light outdoor use |
| Common Applications | Electronics, PCB mounting, laptops, enclosures, panels, DIY, machinery, outdoor fixtures |
Measure the depth of the tapped hole or the thickness of the material being clamped. The screw length (excluding head) should engage at least 1.5× the thread diameter — for example, M4 should engage at least 6mm, M6 at least 9mm. Available lengths: 3mm (0.12”) to 100mm (3.94”), depending on the diameter. When in doubt, size up.
A2 is the most common grade of austenitic stainless steel, equivalent to 304 or 18-8 stainless. It offers excellent corrosion resistance, is non-magnetic in most conditions, and is the standard material for general-purpose stainless fasteners in electronics, appliances, and light outdoor use.
A2 stainless steel provides strong corrosion resistance and will not rust under normal indoor conditions or light outdoor exposure. For marine, coastal, or highly corrosive environments, A4 (316) stainless is generally recommended. These screws are well-suited for electronics, machinery, and sheltered outdoor applications.
A Phillips screwdriver matched to the screw size: PH0 for M2–M2.5, PH1 for M3–M4, PH2 for M5–M6, PH3 for M8–M10. Always use a well-fitting driver to avoid cam-out, especially on larger sizes where higher torque is applied.
A pan head (round head) has a flat underside and a slightly domed top, sitting proud of the surface. Use pan head screws when a protruding head is acceptable and a wide clamping surface is needed. For flush-fit applications where the head must sit level with the surface, use countersunk (flat head) screws instead.
Yes — these are machine screws, not self-tapping. They require a pre-tapped M-series hole or a matching metric nut in the same thread size. They will not cut their own thread into plastic or metal.
A2 stainless steel typically has a tensile strength of around 500–700 MPa, suitable for light-to-medium clamping loads across the M2–M10 range. For critical load-bearing applications, verify the specific grade (A2-70 is common) and consult torque specifications for the thread size. Do not overtighten smaller sizes.
Available in packs of 1, 2, 5, 10, 20, 50, and 100 pieces depending on the thread size selected. Single-piece packs are ideal for exact replacements; larger packs offer better per-unit value for workshops and production use. Select your preferred quantity using the Amount option above.
