About this 3D model

There are knurling bolts and a nut that modeling on Autodesk Fusion 360. I've prepared a bolt of various lengths. So, print a bolt you want. Bolts are M15, pitch 2.0, length 20, 30, 40, 50, 60mm, and Head OD 30mm, height 20mm. A nut is M14, pitch 2.0, height 20mm. See my YouTube about how to making a knurling on Autodesk Fusion 360 Modeling a knurling on Autodesk Fusion 360 Thanks!