![I can not model the screw with knuckle threads although I have drawn the profile.I am attaching the files.please how can create the rounded thread . This is my second question. I can not model the screw with knuckle threads although I have drawn the profile.I am attaching the files.please how can create the rounded thread . This is my second question.](https://d2t1xqejof9utc.cloudfront.net/pictures/files/60015/original.png?1430981816)
I can not model the screw with knuckle threads although I have drawn the profile.I am attaching the files.please how can create the rounded thread . This is my second question.
Types of Screw Thread | V Thread, Acme Thread, Buttress Thread | Metrology and Quality Control - video Dailymotion
![PPT - MECHANICAL DRAWING Chapter 11: Threads Fasteners and Springs PowerPoint Presentation - ID:997948 PPT - MECHANICAL DRAWING Chapter 11: Threads Fasteners and Springs PowerPoint Presentation - ID:997948](https://image.slideserve.com/997948/screw-thread-forms2-l.jpg)