[Mehamozg] demonstrates you can turn a polygon on a lathe. Polygons on shaft ends are surprisingly common, whether you are replacing a lost chuck key, need an angular index, or need a dismountable ...

Be sure to choose a drive center with a shaft size that matches your lathe. Lathe centers come with tapered shafts (usually two sizes, MT1 and MT2) and a springloaded end to avoid pounding it into ...