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4.8 out of 5 stars. 236 reviews
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A woman outside with a dog

WD-40 11 oz. Industrial Strength Fast-Acting Specialist Penetrant with Smart Straw

WD-40 11 oz. Industrial Strength Fast-Acting Specialist Penetrant with Smart Straw

Item # 1030412

WD-40 WD-40 11 oz. Industrial Strength Fast-Acting Specialist Penetrant with Smart Straw
WD-40 WD-40 11 oz. Industrial Strength Fast-Acting Specialist Penetrant with Smart Straw


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WD-40 11 oz. Industrial Strength Fast-Acting Specialist Penetrant with Smart Straw

Item # 1030412

WD-40 WD-40 11 oz. Industrial Strength Fast-Acting Specialist Penetrant with Smart Straw
WD-40 WD-40 11 oz. Industrial Strength Fast-Acting Specialist Penetrant with Smart Straw

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Grassland (franklin) TN

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WD-40 Specialist Penetrant with Smart Straw penetrates hard-to-reach crevices, threads and seams to free stuck, frozen or seized equipment and parts. The low-odor, fast-acting formula penetrates up to 2x faster than the competition* with capillary action that removes rust and corrosion on threads, locks, chains, nuts and bolts, while leaving behind a protective layer that prevents rust from re-forming. This industrial-strength penetrant works on contact and comes with a permanently attached smart straw that sprays two ways for broad coverage or a more precise application. Whether you're working with metal, rubber or plastic, this heavy-duty penetrant can tackle all of your tough jobs with ease. *Test Lab: Fred Cuneo (3rd Party); Nail Climb Test; Test date: 03/2021. About WD-40 Brand Whether you need the original blue and yellow can with thousands of uses, or a WD-40 Specialist penetrating oil, lubricant, cleaner or solution to protect against or remove rust, we've got you covered. Repair don't replace with a range of products. Get the job done right with WD-40 Multi-Use Product, WD-40 Specialist, and WD-40 BIKE.

  • PENETRATES DEEP TO BREAK BONDS: Capillary action gets in deep to free stuck, frozen or seized equipment and parts.
  • FAST-ACTING FORMULA: Low-odor, fast-acting formula penetrates crevices, threads and seams to break the rust bonds that hold stuck parts together.
  • WORKS ON CONTACT: Frees stuck threads, locks, chains, nuts and bolts, leaving behind a protective layer that prevents rust from reforming.
  • VERSATILE APPLICATIONS: Industrial-strength solution for any situation where corrosion and rust are concerns, such as pipe threads, locks, chains and more.
  • SMART STRAW: Permanently attached straw sprays two ways to get the precise application or broad coverage when and where you need it.
  • 50-STATE VOC COMPLIANT: Promotes a cleaner and safer working environment while reducing harmful emissions.
  • PENETRATES UP TO 2X FASTER THAN THE COMPETITION: Frees rusted parts up to 50% faster than the leading competitor. *Test Lab: Fred Cuneo (3rd Party); Nail Climb Test; Test date: 03/2021.
  • WD-40 SPECIALIST: Professional-grade for next-level performance.
  • JOB DONE RIGHT: WD-40 Brand believes in creating products that inspire confidence in the work you do, so you can get the job done right.
  • REPAIR DON'T REPLACE

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Reviews

Rating Snapshot

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201 reviews with 5 stars.
29 reviews with 4 stars.
2 reviews with 3 stars.
1 review with 2 stars.
3 reviews with 1 star.

Overall Rating

4.8
131 out of 135 (97%) reviewers recommend this product

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Summary of Reviews

AI-generated from customer ratings & reviews, and may include incentivized reviews.
The product effectively penetrates and loosens rusted hardware. Customers report it works well on a variety of applications and leaves a protective barrier against future corrosion. The product is praised for its versatility and ease of use.
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This summary is AI-generated from ratings and reviews across multiple languages.
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1 to 4 of 236 Reviews .
1 – 4 of 236 Reviews
Santa Maria CA. 93455
Review 1

Use of WD40 Products

5 months ago
I have been using WD40 Products for at least 60 years. Everything from kinds toys to BB Guns , Than Firearms, cars , home and Industry, and Aerospace. Just started using the penatrate, and it has worked well. It is a lighter penatrate than PB blaster, or Howe's penatrate. More like CRC ultra penatrate. I have been using this on a restoration job on a 5 Ton portable crane. Working great on the rusty hinges, and latches. Control cables and switches. Next , I will try it on some of the bolts that are bigger than 3/8". I have been testing WD-40 And these other penetrates on this job, seeing which one works the best , for each lube problem. I am placing manufacturers Product decals on the 5 Ton Crane, showing which products are being used in the restoration. I am also , videoing this project for my YouTube channel. Matthew Spence @ MuseumMatt. I need some WD-40 Decals

Yes, I recommend this product.

Originally posted on wd40.com

Lansing, MI
Review 1

So easy to use and it works

5 months ago
I love how it folds down (and does not get lost). It makes it easy to use in hard to reach places.

Yes, I recommend this product.

Originally posted on wd40.com

Parrish, FL
Review 1

Great item

5 months ago
Down in Florida, everything rusts or gums up. This stuff really work on all of it.

Yes, I recommend this product.

Originally posted on wd40.com

Winsted, Ct 06098
Review 1

Using WD-40 as a penetrate to remove rusty bolts.

11 months ago
I’ve been using WD-40 for years but I just had to relate my last experience in using your product. I was changing an alternator in my car and a bracket I needed to remove had three 10 mm rusty bolts. I couldn’t budge any of them without fear of snapping one or more of them. Then I would have been in big trouble, so I sprayed all of them with WD-40 and let them sit for 15 minutes. Next, with a socket I was able to turn off all three very slowly but without breaking any of them. Good job WD-40.

Yes, I recommend this product.

Originally posted on wd40.com