WD-40

WD-40 is the water-displacing, penetrating lubricant that most people already know from a garage shelf — but it earns a place in medical and facility maintenance for the same reasons: it loosens seized fittings, quiets squeaking wheels and hinges, displaces moisture from metal parts, and leaves a light protective film that slows corrosion. In a healthcare setting, that translates to smoother-rolling stretchers, cart casters, wheelchair mechanisms, adjustable bed hardware, IV pole joints, and the countless moving parts that keep a facility running without a maintenance callout.

A common question is whether WD-40 is a lubricant or a cleaner — it does a bit of both. The classic multi-use formula penetrates rust and frees stuck components, drives out moisture after cleaning, and protects bare metal against future oxidation. For heavier or ongoing lubrication needs, WD-40 also offers specialist formulas such as silicone spray, white lithium grease, and dry PTFE lubricants, each tuned to a specific job. Match the product to the task: a fast penetrant to break something loose, a grease or dry lube to keep it moving long-term.

Most cans come with the smart-straw or precision applicator so you can spray broadly or aim into a tight joint without overspray — useful when you're working near equipment that shouldn't be coated in lubricant. Always let treated surfaces dry and wipe away excess before returning gear to patient-contact use, and follow your facility's cleaning protocols for any device touched during maintenance.

Keep your maintenance supplies stocked alongside other facility essentials. If you're browsing brand-name specialty items, you may also want to compare notes with the SBS 40 collection.