The chain is fine...but I ordered the wrong size. Nine links of the chain I ordered equals six of the size I wanted. My error...
How can I straighten out the springs? I can't use them coil uo as is.
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These Phillips flanged head self‑tapping screws combine a built‑in washer‑like bearing surface with the speed of a self‑driving thread. The wide flange spreads clamp force to stop the head from pulling through thin sheet metal, plastic, or wood, while the razor‑sharp thread cuts its own perfect mate as you drive – no pilot hole in most materials. Made of hardened carbon steel with a sleek black finish, they hold up to indoor and light outdoor use without reflecting light, making them ideal for electronics, appliances, furniture assembly, and automotive trim. Available in ten metric diameters from M1.2 to M5, this range puts a professional‑grade fastener in your hand for everything from precision RC models to general home repairs.
| Size | Thread Diameter | Head Style | Drive | Material & Finish |
|---|---|---|---|---|
| M1.2 | 1.2 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M1.4 | 1.4 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M1.6 | 1.6 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M2 | 2.0 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M2.3 | 2.3 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M2.6 | 2.6 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M3 | 3.0 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M3.5 | 3.5 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M4 | 4.0 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
| M5 | 5.0 mm | Flanged Pan Head | Phillips | Carbon Steel, Black |
* Length options vary per size – select your required length from the listing drop‑down. All screws are fully threaded and measured from under the head.
In thin sheet metal, soft plastic, and most woods, you can drive them directly without a pilot hole. For denser materials like thick steel or hard hardwood, a small pilot hole about 80% of the screw diameter will make driving easier and give you the strongest thread.
The flange acts like a built‑in washer. It widens the bearing surface so the screw head doesn’t sink into or pull through soft or thin materials. You often don’t need a separate washer, which saves you time and keeps the assembly looking cleaner.
The black surface treatment provides moderate corrosion resistance for indoor and light outdoor use. It is not marine‑grade, but it will hold up well against normal humidity and occasional moisture. The dark color also helps the screw blend into shadowed areas for a neater appearance.
They work very well in plastic, wood, and sheet metal. The sharp thread bites into all three without stripping. For brittle plastics, we recommend a slightly smaller pilot hole to prevent cracking, but in most consumer electronics and furniture applications, they’re a direct‑drive solution.