WD-40

Spray for hinges

WD-40 is a brand-name spray lubricant and water displacer used to loosen rusted parts, silence squeaky hinges, and protect metal from corrosion.

The product has become so ubiquitous that the name functions generically for penetrating oils: Just spray some WD-40 on it.

Along with duct tape, it represents the minimalist approach to home repair.

lubricant

oil

Slippery viscous fluid

penetrant · lubrication · friction · squeak · bearing · axle · hinge · chain · slide · mechanism

brand

trademark

Registered commercial identifier

formula · iconic · product · marketing

applications

toolbox

Container for implements

fan · treadmill · workshop · DIY · handyman · mechanic · maintenance · fix-it · troubleshooting

functions

degreaser

Oil-dissolving cleaner

cleaner · solvent · displacement

Categories
Opposites
lubrication vs. friction/bonding

WD-40adhesive

Material that bonds objects

glue · Loctite · epoxy · superglue · rust

lubrication type (penetrant vs. permanent)

WD-40grease

Thick oily lubricant

axle grease · petroleum jelly · gear oil

rust prevention vs. corrosion

WD-40salt water

H2O with sodium chloride

road salt · acid · oxidizer · moisture · humidity

Familiarity
Top 200,000
Profile
Timeless · Concrete · Everyday, not technical · Rated G