This set of loy poly screw heads is mainly to add details to your scene. They can be applayed on everywhere. The metal texture is not included, but you can find it on textures.com.
STL (Stereolithography, filesize: 18.2 KB), OBJ (OBJ, filesize: 26.6 KB), FBX (Autodesk FBX, filesize: 34.5 KB), GLTF (glTF, filesize: 140 KB)