Looking for key and key hole? Get this 3D model from nao5970 via CGTrader for $5.
3DM (Rhinoceros 3D, filesize: 6.21 MB), OBJ (OBJ, filesize: 12.5 MB), MAX (Autodesk 3ds Max, filesize: 14.4 MB), STP (STEP, filesize: 2.81 MB), BIP (KeyShot, filesize: 3.01 MB)