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Stock your workbench with the most‑reached‑for small self‑tapping screws in one convenient assortment. These Phillips pan head screws cover eight metric diameters from M1.4 to M4, giving you a size for nearly any light‑gauge fastening job — from electronics and RC models to household appliances and auto trim. Made of hardened carbon steel with a sleek black zinc finish, they offer reliable corrosion resistance indoors and a low‑profile look that blends into dark surfaces. The sharp, full‑form threads cut their own path into sheet metal, plastic, wood, and composites without pilot holes in most thin materials. The classic pan head sits flush and drives smoothly with a standard Phillips bit, while the wide size range means you’ll rarely be without the right fastener. Whether you’re repairing a laptop hinge, fixing a toy, or assembling a metal bracket, this kit puts a professional‑grade fastener at your fingertips.
| Size | Thread Diameter (d) | Head Diameter (dk) | Head Thickness (k) | Available Lengths (mm)* | Head Style | Drive | Material & Finish |
|---|---|---|---|---|---|---|---|
| M1.4 | 1.4 mm | 2.5 mm | 0.8 mm | Various – see options | Pan Head | Phillips | Carbon Steel, Black Zinc |
| M1.7 | 1.7 mm | 3.2 mm | 1.2 mm | Various – see options | Pan Head | Phillips | Carbon Steel, Black Zinc |
| M2 | 2.0 mm | 3.4 mm | 1.3 mm | Various – see options | Pan Head | Phillips | Carbon Steel, Black Zinc |
| M2.3 | 2.3 mm | 3.5 mm | 1.4 mm | Various – see options | Pan Head | Phillips | Carbon Steel, Black Zinc |
| M2.6 | 2.6 mm | 4.0 mm | 1.6 mm | Various – see options | Pan Head | Phillips | Carbon Steel, Black Zinc |
| M3 | 3.0 mm | 5.1 mm | 2.1 mm | Various – see options | Pan Head | Phillips | Carbon Steel, Black Zinc |
| M3.5 | 3.5 mm | 5.4 mm | 2.3 mm | Various – see options | Pan Head | Phillips | Carbon Steel, Black Zinc |
| M4 | 4.0 mm | 6.4 mm | 2.4 mm | Various – see options. | Pan Head | Phillips | Carbon Steel, Black Zinc |
* Lengths are measured from under the head (thread length only). Exact length options vary per size – choose from the listing variations. Dimensions follow GB/T equivalent standards.
No. All lengths listed are the thread length only, measured from directly under the pan head to the tip. This makes it simple to match the screw to the exact thickness of the material you’re fastening.
In thin sheet metal (up to about 1 mm) and soft plastics, you can usually drive them straight in. For thicker metal or very hard plastics, a small pilot hole about 80% of the thread diameter makes driving easier and prolongs thread life.
Black zinc provides good corrosion protection for indoor and light outdoor use. It’s not marine‑grade, but it will resist everyday humidity and moisture well. Prolonged exposure to wet conditions may cause surface discoloration over time.
Sizes M1.4–M2 usually require a #0 bit, M2.3–M3 use #0 or #1 (test for best fit), and M3.5–M4 use a #1 or #2 bit. Using a sharp, correctly sized bit prevents cam‑out and keeps the screw head in good condition.
