Thanks for reporting this issue! It looks like the Symbol and footprint are incorrect for this part, as 1156861 by Bossard is indeed a M5x16 screw.
The header is located at the Phoenix Contact version of this part: https://www.snapeda.com/parts/1156861/Phoenix%20Contact/view-part/?ref=search&t=1156861
I have reported it to our team, and we will let you know as soon as we have an update.
Let me know if you have any questions.
Thanks for patiently waiting. Our team has updated the information for 1156861 by Bossard, and you can download it here:
If you have any other questions feel free to contact us. We are happy to help.
Have a great day ahead!