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Whether you're assembling electronics, repairing appliances, building furniture, or working on light machinery, running out of the right screw size mid-project is a real productivity killer. Hunting through mixed hardware bins for an M4 × 12mm or an M6 × 30mm wastes time you don't have — and using the wrong size risks stripped threads, loose joints, or damaged surfaces.
This listing covers Phillips pan head machine screws with matching flat washers in carbon steel with a nickel-plated finish, available in thread diameters from M2 through M8 and lengths from 4mm up to 50mm depending on the size. Each pack comes in 10, 25, or 100-piece quantities so you can stock exactly what you need without over-buying. The pan head profile sits flush against the surface for a clean, low-profile look, while the included washer distributes clamping load and protects the material beneath.
These machine screws are well-suited for electronics enclosure assembly and PCB mounting, appliance repair and light machinery maintenance, and furniture hardware installation where a clean pan head finish and reliable thread engagement matter. The M2–M8 Phillips machine screw range covers the sizes most commonly encountered in North American workshops, maker spaces, and repair benches.
| Drive Type | Phillips (cross-head) — PH1 (M2–M3), PH2 (M4–M6), PH3 (M8) |
|---|---|
| Head Style | Pan head (low-profile rounded) |
| Thread Standard | Metric coarse thread — ISO 68-1 / DIN 7985 |
| Thread Diameter Range | M2, M2.5, M3, M4, M5, M6, M8 |
| Length Range | 4mm – 50mm (varies by diameter — see variant options) |
| Material | Carbon steel, nickel-plated |
| Finish | Nickel plating — bright, moderate corrosion resistance |
| Washer Included | Yes — flat washer matched to screw diameter |
| Pack Sizes Available | 10 PCS / 25 PCS / 100 PCS |
| Application Type | Machine screw (requires pre-tapped hole or nut — not self-tapping) |
| Corrosion Resistance | Moderate — suitable for indoor and semi-protected environments |
| Ships From | US warehouse |
A general rule: the screw should engage the base material by at least 1.5× the screw diameter. For example, an M4 screw (4mm diameter) should thread into at least 6mm of material. Add the thickness of the part being clamped to get your total length. Quick reference: 10mm ≈ 3/8", 25mm ≈ 1", 50mm ≈ 2".
This listing covers M2, M2.5, M3, M4, M5, M6, and M8 thread diameters. Lengths range from 4mm up to 50mm depending on the diameter selected. Choose your thread diameter × length combination from the variant selector above, then select your preferred pack size (10, 25, or 100 pieces).
The nickel-plated finish provides moderate corrosion resistance, making these screws suitable for indoor and semi-protected applications. For prolonged outdoor exposure, direct rain, saltwater, or high-humidity environments, stainless steel machine screws are generally recommended. Contact us if you need guidance on material selection for your specific environment.
Yes. Each pack includes flat washers matched to the screw diameter. The washer distributes clamping load over a larger surface area, reducing the risk of pull-through in softer materials and protecting painted or finished surfaces from head marks.
Use a Phillips bit matched to the screw size: PH1 for M2 and M2.5–M3, PH2 for M4–M6, and PH3 for M8. Using the correct bit size is important — an undersized bit will cam out and damage the head, while an oversized bit won't seat properly. A bit with a magnetic tip helps with small M2 and M2.5 screws.
Phillips pan head machine screws are designed to thread into pre-tapped holes, threaded inserts, or standard metric nuts — they do not cut their own threads. Common applications include metal enclosures, plastic housings, PCB standoffs, appliance panels, furniture hardware with threaded inserts, and light machinery assembly. In most cases, the mating thread (nut or tapped hole) should be the same metric pitch as the screw.
Torque capacity varies by diameter. As a general reference: M3 carbon steel screws typically handle around 0.5–0.8 N·m, M5 around 2.5–4 N·m, and M8 around 10–15 N·m. For safety-critical, high-vibration, or structural applications, contact us to confirm specifications before ordering.
