![WD-40 Specialist Penetrant with SMART STRAW SPRAYS 2 WAYS, 11 OZ [6-Pack]](https://m.media-amazon.com/images/I/81XIovGrxCL._AC_SL3840_.jpg)





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🛠️ Unlock stuck parts like a pro—because your toolbox deserves the best!
WD-40 Specialist Penetrant with Smart Straw is a professional-grade lubricant spray designed to quickly break rust and corrosion on nuts, bolts, locks, and more. Featuring a dual-mode spray for precise or broad application, it penetrates up to twice as fast as competitors, protects against future corrosion without attracting dust, and is safe on metal, rubber, and plastic. Low-odor and VOC compliant, this 6-pack of 11 oz cans is trusted globally by professionals for fast, reliable results.











| ASIN | B00631GP9A |
| Best Sellers Rank | #44,685 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #61 in Power Tool Lubricants |
| Brand | WD-40 Specialist |
| Brand Name | WD-40 Specialist |
| Container Type | Can |
| Customer Reviews | 4.8 out of 5 stars 18,989 Reviews |
| Flash Point | 64 °C |
| Global Trade Identification Number | 10079567300004 |
| Included Components | SMART STRAW SPRAYS |
| Item Form | Spray |
| Item Highlight | Penetrant for Metal, Rubber & Plastic Threads, Locks, Nuts, Industrial Strength for Automotive & Heavy-Duty Construction |
| Item Weight | 11 ounces |
| Liquid Volume | 11 |
| Manufacturer | The WD-40 Company |
| Material | Metal,Plastic |
| Model Number | 300004 |
| Number of Items | 6 |
| Number of Packs | 6 |
| Package Information | Can |
| Part Number | 300004 |
| Recommended Uses For Product | Industrial |
| SAE J300 Viscosity Grade | 0W |
| Specific Uses For Product | Party |
| UPC | 100453345373 |
| Unit Count | 6 Cans |
| Viscosity | 0w |
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.
B**A
All you need to know is how to aim the can. It does all the work for you.
You can never have enough WD40! You just have to make sure it is available when you need it! My husband tends to borrow the can I keep handy in the house, so I ordered this can and hope to keep things running smoothly. There is nothing better that will do such a good job. The tiny nozzle is very handy.
M**K
Not bad at all!
Most of the repairs made for vehicles and things around the house like mowers are done by myself. The need to loosen a rusted fastener or nut arises often. My practice in the past was to use a combination of applied heat and regular WD-40 or some other lubricant. A friend suggested I try this WD-40 penetrant and let it soak in to see if I noticed a difference. I bought this and tried it on a repair job on my old mower. Years of use ensured the bolts I wanted to remove was solidly rusted and immovable. On one bolt I sprayed the regular WD-40 and the other I tried this new-to-me product. Both were allowed to soak for half a day. (There may be an ideal soaking time, but I've not found any data that is universal for all applications.) When the bolts were broken loose there was an immediate difference between the two products tested. The penetrant served to loosen the bolt MUCH better and broke loose with very little effort or leverage. The other required a measured amount of force, and the wrench slipped off twice before the bolt came loose. I was convinced of the value of this product. Since then, I've used this routinely on cars, motorcycles - you name it. One star was deducted due to the fact that there were some situations where no amount of spray and no amount of soaking served to loosen bolts/screws. Multiple times in fact. I could not identify the factors that made some work and others fail to loosen. There are times when the application of the spray, no matter how thorough or how long I let it sit, just made no difference at all. Not a failure in my opinion, but the product is not full magic working on every stuck fastener. It is my primary go-to and remains a vital component in my maintenance tool set.
R**R
Works like MAGIC
WD-40 is basically duct tape in liquid form. Bought it to stop one squeaky door. Three hours later, I had lubricated every hinge, lock, wheel, and mysterious thing in the garage that looked like it might squeak someday. The door is now silent. So silent, in fact, that people keep sneaking up on me. My only regret is not buying it sooner and saving my family from years of hearing that one dramatic hinge announce every entrance like a haunted house sound effect. A can of WD-40 and a little optimism can solve an alarming number of life’s problems. 😆🔧
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.
S**S
Works perfectly, but a little goes a long way!
I am giving this WD-40 Specialist Penetrant a full 5 stars. It works very well on my doors and cabinet doors to keep the hinges moving smoothly. You really only need a tiny amount because a little goes a very long way! My only minor issue is the size of the product. Because you use so little of it at a time, the 11 oz can is almost too much for basic household tasks. If there was a smaller can available for a lower price, I definitely would have bought that instead. Overall, it is an excellent and highly effective product to have around the house. Pros: Works perfectly on squeaky doors and cabinets. Very fast-acting and a little goes a very long way. Cons: The 11 oz can is quite large for basic needs; a smaller, cheaper size would be ideal.
M**Z
A buen precio
Buen producto
Trustpilot
5 days ago
1 week ago