A fast-acting penetrate 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 fast-acting low odor formula 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 is 50-state VOC compliant and safe to use on metal, rubber and plastic parts.
Penetrates up to 2x faster than the competition(1)
Prevents rust 10x longer than the competition(2)
Penetrates rust to free up stuck, frozen, or seized equipment and parts
Safe to use on metal, rubber and plastic parts
The WD-40 Specialist product line has been refined to perfection so you get the results you need with - ideal for use on nuts, bolts, threads and locks
(1)Test Lab: Fred Cuneo (3rd Party); Nail Climb Test; Test date: 03/2021
(2)Test Lab: WD-40 Co. Technical Center (Pine Brook, NJ); ASTM B117; Test date: 02/2021