wichita.edu
Door Safety & Hardware FAQ My lock is sticking—can I spray WD‑40 in it to fix the issue? Answer: No. WD‑40 is not an appropriate lubricant for door hardware and can cause long-term damage by attracting dirt and degrading internal mechanisms. The Facilities Services Lock Shop uses approved, specialized lubricants designed specifically for locks, door…
https://www.wichita.edu/services/physical_plant/policy_detailed_pages/fs-01-09-faq.php