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Yes — they look like small curved metal mounting plates/brackets. The exact application is hard to identify from the photo alone, but they’re clearly made to be fastened with screws through the countersunk holes.A few clues:
- The crescent shape lets them sit around/against a curved surface or joint.
- The countersunk holes are intended for flat-head screws, so the screw heads sit flush.
- The fact that there are many identical pieces strongly suggests they’re manufactured hardware rather than random scrap.
- Similar curved three-hole brackets are used in things like furniture, machinery, marine hardware, and vehicle components.
I wouldn’t confidently call them one specific part based just on the picture. There are also some specialized crescent-shaped plates with three holes used for things like orthopedic implants, but the pieces in your photo don’t give enough evidence to make that identification.
If you tell me roughly how big they are (length × width × thickness) and where you found them, I can probably narrow it down considerably.
