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⚡ Unlock stuck parts in a flash with WD-40 Specialist!
WD-40 Specialist Rust Release Penetrant Spray (11 oz) features proprietary Blu Torch technology that penetrates rust twice as fast, combined with a SMART STRAW for dual spray options. Designed for industrial strength performance, it loosens rusted nuts, bolts, and locks while protecting metal, plastic, and rubber surfaces from future corrosion. Trusted by professionals and backed by 65 years of innovation, this spray is a must-have for anyone tackling stubborn, rusted parts.











| ASIN | B00631GQGW |
| Best Sellers Rank | #9,099 in Automotive ( See Top 100 in Automotive ) #16 in Care Corrosion & Rust Inhibitors |
| Brand | WD-40 Specialist |
| Brand Name | WD-40 Specialist |
| Container Type | Can |
| Customer Reviews | 4.8 out of 5 stars 18,183 Reviews |
| Flash Point | 40 Degrees Celsius |
| Global Trade Identification Number | 30079567300008 |
| Included Components | -- |
| Item Form | Spray |
| Item Type Name | --- |
| Item Weight | 11 Ounces |
| Item weight | 11 Ounces |
| Liquid Volume | 11 Fluid Ounces |
| Liquid volume | 11 Fluid Ounces |
| Manufacturer | WD-40 |
| Material | Plastic |
| Model Number | 300004 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Package information | Can |
| Part Number | 300007 |
| Recommended Uses For Product | loosening tight or rusted parts, facilitating the smooth movement of mechanical components, and unlocking jammed mechanisms |
| Recommended uses for product | loosening tight or rusted parts, facilitating the smooth movement of mechanical components, and unlocking jammed mechanisms Recommended uses for product loosening tight or rusted parts, facilitating the smooth movement of mechanical components, and unlocking jammed mechanisms See more |
| Specific Uses For Product | Loosening Rusty Parts, Easing Removal of Nuts and Bolts, Improving Penetration in Tight Spaces |
| UPC | 079567300007 |
| Unit Count | 1 Can |
| Viscosity | Low viscosity range (e.g., 10-30 centistokes at 40°C) |
M**Z
A buen precio
Buen producto
A**K
Perfect for any rusty or stubborn screws and bolts.
Is there anything WD-40 does not resolve? Used this on a couple of tire bolts that were ver stubborn. Sprayed, let is rest for a few minutes and they came off easily. Great product. Great value for the money.
W**S
Very handy nozzle
Nice nozzle for getting in hard spots, very direct. Nothing to lose!! As always, appreciate WD40.
M**B
Love this stuff!
I am so please with this WD-40. The way they added the straw to use and or the spray genius. On top of all that it works better than ever. Try this you will not be disappointed. The price e is good too for what your getting.
J**N
Industrial Strength Penetrant That Gets Into the Tough Spots Every Time
This WD-40 Specialist Penetrant is a rock-solid 5-star product that belongs in every garage, shop, and toolbox. The fast-acting formula works quickly on rusted bolts, frozen nuts, seized locks, and corroded threads that would otherwise require a breaker bar and a lot of frustration. It penetrates deep into tight threads and hard-to-reach areas, breaking up rust and corrosion without damaging the surrounding metal, rubber, or plastic—which is a big deal when working on delicate or older components. The Smart Straw applicator is excellent for switching between a broad spray and a precise, targeted stream exactly where you need it, with no straw to lose track of. Whether I'm working on the RV, vehicles, or shop equipment, this penetrant has bailed me out on more than a few stubborn fasteners that nothing else would budge. Industrial strength performance in a convenient aerosol can—it does exactly what it promises and does it well every single time. Highly recommended.
Trustpilot
2 weeks ago
2 weeks ago