A fast-acting penetrant with capillary action to penetrate deep into crevices, threads and seams to break the rust bonds that hold stuck parts together.
WD-40 Specialist® Penetrant is a fast-acting penetrant with capillary action to penetrate deep into crevices, threads and seams to break the rust bonds that hold stuck parts together. It is a low odor formula that works on contact to free rusted nuts, bolts, threads, locks, and chains leaving behind a protective layer that prevents rust and corrosion from re-forming. It can also Spray 2 Ways®- up for stream and down for a wider spray.
* Test Lab: WD-40 Co. Technical Center (Pine Brook, NJ); Penetration speed measured using nail climb (time to reach 1.75cm); Test dates: 03/2023; 07/2024
** Test Lab: WD-40 Co. Technical Center (Pine Brook, NJ); ASTM B117; Test date: 03/2023.
- Penetrates at least 50% faster than the competition for less downtime and faster return to service.*
- Provides 3x greater protection from surface rust than most competitors for extended equipment life**
- Safe to use on metal, rubber and plastic parts
- Ideal for use on nuts, bolts, threads and locks
- 50-state VOC compliant
Threads
Locks
Nuts
WD-40 Specialist® Penetrant
A fast-acting penetrant with capillary action to penetrate deep into crevices, threads and seams to break the rust bonds that hold stuck parts together.
WD-40 Specialist® Penetrant is a fast-acting penetrant with capillary action to penetrate deep into crevices, threads and seams to break the rust bonds that hold stuck parts together. It is a low odor formula that works on contact to free rusted nuts, bolts, threads, locks, and chains leaving behind a protective layer that prevents rust and corrosion from re-forming. It can also Spray 2 Ways®- up for stream and down for a wider spray.
* Test Lab: WD-40 Co. Technical Center (Pine Brook, NJ); Penetration speed measured using nail climb (time to reach 1.75cm); Test dates: 03/2023; 07/2024
** Test Lab: WD-40 Co. Technical Center (Pine Brook, NJ); ASTM B117; Test date: 03/2023.
- Penetrates at least 50% faster than the competition for less downtime and faster return to service.*
- Provides 3x greater protection from surface rust than most competitors for extended equipment life**
- Safe to use on metal, rubber and plastic parts
- Ideal for use on nuts, bolts, threads and locks
- 50-state VOC compliant
Threads
Locks
Nuts
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TIPS & TRICKS
Do hard jobs faster. WD-40 Specialist Penetrant loosens seized screws and rusted-bonded parts in minutes.
Protect tools, vehicles, and metal surfaces from corrosion with WD-40 Specialist Penetrant.
Keep fleet vehicles running smoothly. WD-40 Specialist Penetrant is your go-to tool for everything from tough auto maintenance tasks to blocking rust and corrosion.
Updating and replacing old plumbing components just got a lot easier. WD-40 Specialist Penetrant with EZ-REACH frees seized bolts, nuts, and threads in tight spots.
WD-40 Specialist Penetrant boosts efficiency in fabrication shops. Keep hinges, fasteners and pulleys moving…and the work flowing.
Frozen locks and chains. Stuck tools and parts. Whether you’re on a job or DIYing at home, WD-40 Specialist Penetrant blasts through frustrating project roadblocks.
