A Step Drill Bit is a drill bit that allows you to drill multiple sized holes with one bit. It gradually increases as you go down the bit. It's like the shape of a cone. It allows you to do multiple sizes holes without the need of changing bits. You can alter the sizes of bits according to your requirements.
MA (Autodesk Maya, filesize: 819 KB), OBJ (OBJ, filesize: 2.41 MB), FBX (Autodesk FBX, filesize: 491 KB), GLTF (glTF, filesize: 704 KB), STL (Stereolithography, filesize: 989 KB), IGE (IGES, filesize: 1.55 MB), SLDPRT (SolidWorks, filesize: 583 KB), BIP (KeyShot, filesize: 2.67 MB)