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Sometimes a larger head is exactly what you need – extra clamping area, less chance of pull‑through, and a clean, low‑profile look. These big pan head screws (sometimes called “truss” or “washer head”) give you a wide, flat bearing surface that distributes pressure evenly. Perfect for plastic enclosures, soft metals, wood, or any material where a standard pan head might dig in. Made from high‑strength carbon steel with your choice of nickel (bright silver) or black zinc (dark matte) finish. Available in M2 through M6, with lengths from 3mm up to 50mm. Grade 5 equivalent strength – tough enough for structural connections and dynamic loads.
Extra‑large head diameter – Wider than a standard pan head. Provides more surface area for clamping thin or soft materials without needing a separate washer.
Two durable finishes – Nickel (bright, corrosion‑resistant, classic silver) or Black Zinc (stealth matte, mild corrosion protection). Choose what fits your project.
High‑strength carbon steel (Grade 5 equivalent) – Stronger than low‑carbon steel. Handles dynamic loads, vibration, and heavy‑duty applications like steel frame connections or crane beams.
Phillips drive for universal compatibility – No special bits needed. Use any Phillips screwdriver (#0 to #3 depending on size).
Wide size & length range – Diameters M2, M2.5, M3, M4, M5, M6. Lengths from 3mm to 50mm (measured under head). Find the exact fit for your assembly.
Good machinability & toughness – The carbon steel material offers excellent hot and cold processing performance, so threads are clean and consistent.
| Parameter | Details |
|---|---|
| Material | High‑strength carbon steel (Grade 5 equivalent) – tough, good machinability |
| Available Finishes | Nickel plated (bright silver) or Black zinc plated (dark matte) |
| Head Style | Big pan head (extra‑wide, low profile, flat underside) |
| Drive Type | Phillips cross‑head |
| Thread Sizes (Diameter) | M2, M2.5, M3, M4, M5, M6 (metric coarse thread) |
| Length Range (Under Head) | 3mm to 50mm (varies by size – see product selector) |
| Measurement System | Metric |
| Typical Applications | Steel frame connections, heavy machinery, crane beams, dynamic load structures, plastic/soft material fastening |
📌 Length is measured from under the head to the tip, not including head height. Head diameter is significantly larger than standard pan head – see product images for proportions.
