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Rust Penetrant Spray | WD-40 Rust Release Penetrant | WD-40

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: Fred Cuneo (3rd Party); Nail Climb Test; Test date: 03/2021.

** Test Lab: WD-40 Co. Technical Center (Pine Brook, NJ); ASTM B117; Test date: 02/2021.

  • Penetrates up to 2x faster than the competition*
  • Prevents rust 10x longer than the competition**
  • Penetrates rust to free up stuck, frozen, or seized equipment and parts
  • Safe to use on metal, rubber and plastic parts
  • Ideal for use on nuts, bolts, threads and locks
  • 50-state VOC compliant

Works Great On:

Threads

Locks

Nuts

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UPC 0 79567 30000 7

WD-40 Specialist® Penetrant

11 oz.

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: Fred Cuneo (3rd Party); Nail Climb Test; Test date: 03/2021.

** Test Lab: WD-40 Co. Technical Center (Pine Brook, NJ); ASTM B117; Test date: 02/2021.

  • Penetrates up to 2x faster than the competition*
  • Prevents rust 10x longer than the competition**
  • Penetrates rust to free up stuck, frozen, or seized equipment and parts
  • Safe to use on metal, rubber and plastic parts
  • Ideal for use on nuts, bolts, threads and locks
  • 50-state VOC compliant

Works Great On:

Threads

Locks

Nuts

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Uses for WD-40 Specialist® Penetrant

product in use
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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. 

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