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Brass fasteners bring a classic look and natural corrosion resistance that plated steel can’t match, and these Phillips pan head self-tapping screws are a perfect example. Machined from solid brass, they won’t rust, offer excellent electrical conductivity, and deliver a warm, gold‑toned finish that’s ideal for visible hardware on furniture, instruments, and decorative metalwork. The sharp self‑tapping thread cuts its own path into sheet metal, wood, plastic, and fiberglass – no pre‑tapped hole or nut required in most light‑duty applications. A standard Phillips recess makes driving quick and secure, while the pan head sits flush for a clean, professional appearance. Supplied in the five most popular diameters – M3, M3.5, M4, M5, and M6 – and a variety of lengths, these screws are a must‑have for woodworking, electronics grounding, marine trim, and anywhere you need a fastener that’s as good‑looking as it is functional.
| Size | Thread Diameter (d) | Head Diameter (dk) | Head Thickness (k) | Typical Lengths (mm)* | Head Style | Drive | Material |
|---|---|---|---|---|---|---|---|
| M3 | 3.0 mm | 5.30 mm | 1.9 mm | 8, 10, 12, 16, 20, 25 | Pan Head | Phillips | Brass |
| M3.5 | 3.5 mm | 6.40 mm | 2.1 mm | 10, 12, 16, 20, 25, 30 | Pan Head | Phillips | Brass |
| M4 | 4.0 mm | 6.90 mm | 2.3 mm | 10, 12, 16, 20, 25, 30, 40 | Pan Head | Phillips | Brass |
| M5 | 5.0 mm | 9.00 mm | 2.8 mm | 12, 16, 20, 25, 30, 40, 50 | Pan Head | Phillips | Brass |
| M6 | 6.0 mm | 11.9 mm | 4.0 mm | 16, 20, 25, 30, 40, 50, 60 | Pan Head | Phillips | Brass |
* Lengths are thread length only (excluding head). Exact length availability varies by size – choose your preferred combination from the listing options. Dimensional data follows GB/T equivalent standards.
No. Brass is an alloy of copper and zinc and does not rust. It develops a natural patina over time, especially outdoors, but it will not red‑rust or weaken like carbon steel. For indoor and covered outdoor use, brass holds up beautifully for decades.
Absolutely. The self‑tapping thread bites well into both softwoods and hardwoods. For very dense hardwoods or when driving near the edge, a small pilot hole prevents splitting. The brass finish also makes them a favorite for furniture, cabinetry, and instrument building.
Yes, brass is an excellent conductor and is widely used in electrical terminals, grounding bars, and switchgear. These screws are non‑magnetic and provide a reliable connection – just ensure the mating surfaces are clean and tight.
In thin sheet metal (up to about 1 mm), you can often drive them directly. For thicker metal or harder materials, a pilot hole about 80% of the thread diameter will reduce drive torque and give you the cleanest thread engagement.
No. All listed lengths are the thread length only, measured from directly under the pan head to the tip. This makes it easy to match the screw to the material thickness you’re fastening.
