It is a helical drill bit that can drill in metals easily. It can be converted to different sizes according to your requirement.
MA (Autodesk Maya, filesize: 1.59 MB), OBJ (OBJ, filesize: 2.63 MB), FBX (Autodesk FBX, filesize: 635 KB), GLTF (glTF, filesize: 693 KB), IGE (IGES, filesize: 239 KB), STL (Stereolithography, filesize: 1.22 MB), BIP (KeyShot, filesize: 1010 KB), SLDPRT (SolidWorks, filesize: 343 KB)