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Stop fussing with loose washers. These flanged pan head screws come with a built‑in washer that never falls off – just grab your Phillips driver and go. The wide flange distributes clamping pressure evenly, making them perfect for plastic panels, soft metals, electronics, and marine hardware. Choose A2 (304) stainless for general corrosion resistance or A4 (316) for saltwater and chemical exposure. Sizes from tiny M1.4 up to M6, with lengths from 3mm to 60mm. Whether you're assembling a boat, repairing a kitchen appliance, or building a 3D printer, these flanged screws save time and deliver a professional finish.
| Thread Diameter (M size) | Thread Pitch (mm) | Length Range (under head) | Typical Uses |
|---|---|---|---|
| M1.4 | 0.3mm | 3mm – 12mm | Micro electronics, drones, glasses, mini hinges |
| M2 | 0.4mm | 3mm – 20mm | Small appliances, RC vehicles, computer parts |
| M2.5 | 0.45mm | 3mm – 25mm | Camera gear, small brackets, hobby projects |
| M3 | 0.5mm | 3mm – 40mm | 3D printers, furniture hinges, electrical panels |
| M4 | 0.7mm | 3mm – 50mm | Drawer slides, light machinery, marine accessories |
| M5 | 0.8mm | 4mm – 60mm | Automotive trim, boat fittings, industrial equipment |
| M6 | 1.0mm | 4mm – 60mm | Heavier machinery, furniture, structural brackets |
📌 Length measured from under the head (excluding head height). Flange diameter is larger than standard pan head – provides excellent clamping without sinking in.
| Parameter | Details |
|---|---|
| Material options | A2 stainless steel (304) or A4 stainless steel (316) – select at checkout |
| Head style | Flanged pan head (integral washer, low profile, wide bearing surface) |
| Drive style | Phillips cross‑head |
| Thread diameters | M1.4, M2, M2.5, M3, M4, M5, M6 |
| Thread pitches | M1.4=0.3, M2=0.4, M2.5=0.45, M3=0.5, M4=0.7, M5=0.8, M6=1.0 mm (metric coarse) |
| Length range (under head) | 3mm – 60mm (varies by size) |
| Measurement system | Metric |
| Corrosion resistance | A2: excellent for most outdoor/freshwater; A4: superior for marine/chloride exposure |
| Typical applications | Home appliances, office equipment, communication devices, ship assembly, mechanical industry, furniture, electronics, outdoor fixtures |
1. What’s the advantage of a flanged head over a regular pan head with a separate washer?
Speed and reliability. You never lose the washer, and installation is one step instead of two. The flange is permanently attached and always centered. In tight spaces, you don’t have to balance a washer on your driver. Plus, the flange often has a slightly serrated underside that helps resist vibration loosening.
2. When should I choose A4 (316) stainless instead of A2 (304)?
A2 (304) is excellent for most applications – kitchen gear, outdoor furniture, electronics, and general humidity. A4 (316) adds molybdenum, which dramatically improves resistance to chlorides (saltwater, pool chemicals, deicing salts). If your project will be near the ocean, on a boat, or exposed to harsh chemicals, upgrade to A4. For everything else, A2 is cost‑effective and perfectly reliable.
3. Will these screws rust or discolor over time?
Proper A2/A4 stainless steel will not rust like carbon steel. In extreme marine environments, A2 may develop surface “tea staining” (mild discoloration) but not red rust. A4 resists even that. For typical indoor and outdoor use, both stay shiny and corrosion‑free for years.
4. What Phillips bit size do I need for each screw size?
General guide: M1.4–M2 use PH0, M2.5–M3 use PH1, M4–M5 use PH2, M6 use PH2 or PH3 (PH2 works fine). Using the correct size prevents stripping and gives better torque transfer.
5. Can I use these screws with nuts or into tapped holes?
Yes – they’re standard machine screws. Use them with matching metric nuts (M1.4 to M6) or into pre‑tapped holes. The flange often eliminates the need for a washer on the screw side, but you may still want a flat washer under the nut.
6. Do you offer lengths longer than 60mm?
For these specific flanged pan head screws, our stock range is 3–60mm. If you need longer lengths, please contact us – we may be able to source or custom order them.
