• Aids in the removal of furnace blower wheels
  • Keeps paint from sticking to doorknobs when coated before painting
  • Drives moisture from heavy-duty drills
  • Drives moisture from precision tools
  • Eases replacement of fan blades
  • Eases twisting of wire
  • Frees stuck locks on lock boxes
  • Frees stuck metal aviation snips
  • Helps cool and protect drill bits
  • Helps lubricate gate valve
  • Helps provide dust-free surface when roofing
  • Helps remove dirt, grime and rust from tools, including hammers, saws and pliers
  • Helps remove gunk from electrical contacts
  • Helps remove heavy grease deposits from heavy-duty conveyor systems
  • Helps remove paint from tile flooring (be sure to wipe clean after using WD-40)
  • Helps working on a “chiller” easier
  • Keeps blades from rusting on sharp shooter
  • Keeps metal surfaces from rusting
  • Keeps Oklahoma red clay from sticking to shovels
  • Keeps sewer machine wheels turning smoothly
  • Loosens stuck chuck keys on drills
  • Loosens and penetrates rusted or stuck plumbing joints
  • Loosens interior plumbing device that controls bath drain plug
  • Loosens interior plumbing devices
  • Loosens rusted bolts
  • Loosens rusted or stuck plumbing joints
  • Loosens screws in shower valves to enable faceplate removal
  • Lubricates airless paint guns
  • Lubricates and protects air conditioner blades
  • Lubricates and protects power tools
  • Lubricates and protects power tools such as drills, nail guns and staple guns
  • Lubricates cabinet hardware
  • Lubricates dolly wheels
  • Lubricates framing guns
  • Lubricates hacksaw blades for cutting metal
  • Lubricates hinges on doors, gates, toolboxes and ladders
  • Lubricates hinges, latches and locks on trucks
  • Lubricates latches on doors, gates, toolboxes and ladders
  • Lubricates latches on electrical cabinets
  • Lubricates locks on doors, gates, toolboxes and ladders
  • Lubricates metal moving parts including vise grips, cutting wheels and garbage disposal blades
  • Lubricates moving parts
  • Lubricates nail guns
  • Lubricates or thaws locks and latches
  • Lubricates pipe cutting wheels on tubing cutters
  • Lubricates reciprocating saw blades
  • Lubricates sheet metal cutters and channel locks
  • Lubricates tape measures
  • Lubricates wire being pulled through a conduit
  • Lubricates wood screws for easier installation
  • Makes cast iron and black iron pipe look shiny and new
  • Penetrates and loosens stuck screws on bathtub knobs
  • Penetrates, loosens, and helps remove rusted and stuck parts, including screws, nuts, bolts and plumbing joints
  • Prevents rust on outdoor air conditioners
  • Protects plumbing “runner” ropes from being burned by molten lead
  • Protects tools from rust including shovels, rakes and plumbing tools
  • Removes adhesive residue
  • Removes debris from vise-grip and channel locks
  • Removes dried caulking from hands
  • Removes duct tape residue from work boots
  • Removes glue residue from old paneling
  • Removes grime from electrical contacts
  • Removes gunk when replacing old faucets
  • Removes plastic cement from tools
  • Removes roof mastics from tools
  • Removes roofing tar and other grime from circular saw blades
  • Removes rust from saws
  • Removes rust from sewer cables and helps easily go down drain pipes
  • Removes scuff marks on ceramic and wooden floors (be sure to wipe clean after using WD-40)
  • Shines all kinds of metal
  • Softens and dissolves dried manure from work boots
  • Prevents rust when sprayed liberally on wet tools
  • Eases removal of bolts when replacing a leaky evaporator coil
  • Makes hand tools easier to operate
  • Helps disconnect damaged pipe when sprayed on pipe threads
  • Allows free movement of rusted equipment when sprayed on tight areas or “pinch points”
  • Makes installation of window glass easier when sprayed on rubber gasket
  • Unsticks painted radiator valves
  • Makes backhoe ram pins easier to remove
  • Loosens bolts and nuts around pipe clamps to help ease removal
  • Keeps trench box pin lubricated and gunk-free when used after each job
  • Protects electrical connections in engines
  • Protects pneumatic and hydraulic fittings from rust
  • Removes water from wet electrical cords
  • Removes asphalt from trucks
  • Helps keep exposed nail heads from rusting
  • Loosens locking mechanism on ladders
  • Protects chainsaw blades before storing
  • Penetrates stuck bolt on frozen toilet shut off valves
  • Keeps drill bits cool
  • Provides long-lasting lubrication to prevent drills from sticking
  • Provides long-lasting lubrication to prevent hinges from sticking
  • Provides long-lasting lubrication to prevent saws from sticking
  • Loosens hardened bolts on equipment
  • Loosens stuck bolts
  • Loosens stuck hinges
  • Loosens stuck motors
  • Loosens stuck nuts
  • Loosens stuck nuts and bolts
  • Loosens stuck pipes
  • Loosens threaded rods
  • Prevents binding or jamming on drills
  • Prevents binding or jamming on hand tools
  • Prevents binding or jamming on hinges
  • Prevents binding or jamming on motors
  • Prevents binding or jamming on pipes
  • Prevents binding or jamming on power tools
  • Prevents binding or jamming on saws
  • Prevents binding or jamming on tools
  • Prevents binding or jamming on wrenches
  • Prevents corrosion or rust on bolts
  • Prevents corrosion or rust on flush bolts
  • Prevents corrosion or rust on hand tools
  • Prevents corrosion or rust on hinges
  • Prevents corrosion or rust on motors
  • Prevents corrosion or rust on nuts
  • Prevents corrosion or rust on nuts and bolts
  • Prevents corrosion or rust on saws
  • Prevents corrosion or rust on pipes
  • Protects 18V power drills in hot temperatures
  • Protects drills in hot temperatures
  • Protects power tools in hot temperature