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You’re putting together a small DIY project, repairing a piece of furniture, or mounting a bracket – and you need strong, reliable screws that won’t cost a fortune. These M2, M3, and M4 pan head machine screws are made from carbon steel with a Phillips drive. The low‑profile pan head provides a wide bearing surface, perfect for plastic, wood, and thin metal. Fully threaded for maximum grip in shallow holes. Available in a range of lengths (select from dropdown). Ideal for electronics, appliances, model making, and everyday repairs around the shop or home.
| Thread Diameter | Typical Lengths (mm, under head) * | Thread Pitch (mm) | Head Style | Drive | Material |
|---|---|---|---|---|---|
| 📐 Length measured from under the head (grip length). Fully threaded. Select exact size from dropdown. | |||||
| M2 | 4, 5, 6, 8, 10, 12, 16, 20, 25 | 0.4 |
Pan head |
Phillips |
Carbon steel (Grade 5) |
| M3 | 4, 5, 6, 8, 10, 12, 16, 20, 25, 30, 35, 40 | 0.5 | |||
| M4 | 5, 6, 8, 10, 12, 16, 20, 25, 30, 35, 40, 45, 50 | 0.7 | |||
* Lengths are typical – exact availability may vary. Please allow minor manual measurement errors. Not all combinations shown; select your required size from the dropdown menu.
| Property | Details |
|---|---|
| Base material | Carbon steel (high strength, good toughness, Grade 5 equivalent) |
| Finish | Plain / natural (may have light oil coating). For corrosion resistance, consider painting or using in dry environments. |
| Thread standard | Metric coarse, fully threaded, precise and burr‑free |
| Typical applications | Electronics, furniture, small appliances, model making, general DIY |
1. How do I measure the length of a pan head screw?
For pan head screws, the length is measured from the underside of the head (the flat bearing surface) to the tip. The head itself is NOT included. So an “M3 x 10mm” screw has a 10mm long threaded shaft under the head. All lengths in this listing follow that standard.
2. Are these screws fully threaded?
Yes – all M2, M3, and M4 screws in this range are fully threaded from under the head to the tip. This gives you maximum grip in shallow holes or through‑nut applications.
3. Will carbon steel screws rust? Can I use them outdoors?
Carbon steel will rust if exposed to moisture. These screws are best for indoor use or dry environments. For outdoor or humid conditions, we recommend stainless steel. For indoor furniture, electronics, and appliances, carbon steel is perfectly adequate and more affordable.
4. What Phillips screwdriver size do I need?
For M2 and M3, use a #0 or #1 Phillips screwdriver. For M4, a #1 or #2 Phillips works. Always use a driver that fits snugly to avoid cam‑out and head damage.
5. Can I use these screws with a nut or do they need a tapped hole?
Both – these are machine screws. They can be threaded into pre‑tapped holes of the same metric size (M2, M3, or M4) or used with matching nuts. They are not self‑tapping. For wood or plastic, drill a pilot hole and use a threaded insert or a nut on the back.
6. Do you offer these screws with any coating or plating?
This listing is for plain carbon steel. We also carry nickel‑plated, black zinc, and stainless steel versions of these sizes – please check our store for plated options.
