Robuta

https://www.mwcomponents.com/retainers
Nov 5, 2024 - Our manufacturing processes allow for the fastest turnaround of custom retainers & our quality management system is AS9100D & ISO9001:2015 certified.
screw retainerscaptiveampassembliesmw
https://www.dell.com/en-us/shop/dell-bottom-base-cover-with-captive-screw/apd/cpx-p194k/computer-chassis-components
Replace your original part with the same part that was designed for your system, use Dell Original parts for the perfect fit.
bottom basecaptive screwdellcoverusa
https://www.tinkercad.com/things/g7CWB83dljz
3D design 36 Tooth GT2 Gear w/ Captive Nut For Set Screw created by matthewtmead with Tinkercad
designtoothgearwcaptive