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WD-40 SpecialistPenetrant with Smart Straw, Penetrant for Metal, Rubber and Plastic Threads, Locks and Nuts, Industrial Strength Fast-Acting Formula, 11 Oz.

WD-40 SpecialistPenetrant with Smart Straw, Penetrant for Metal, Rubber and Plastic Threads, Locks and Nuts, Industrial Strength Fast-Acting Formula, 11 Oz.

Q: Is this formula very different from original wd 40 (which didn't work on my rusted outdoor light fixture screws)?

This version is better at loosening rusted parts. But you have to remember it take time to creep into the threads and work. You can not just spray it on and start unscrewing, I have had severely rusted fittings that I sprayed every day for a week before they busted loose. There is no miracle product that you can spray and go instantly.

Q: What makes it better than standard wd 40 for rusted bolt and screw removal? Also does it work better or worse with a torch compared to original wd 40

No idea what makes it better, if you spray a locked up bolt/nut wait 5-10 min then remove it. I’ve had very good luck with it

Q: Could this be used to release rust and be followed up an application of WD-40 long term corrosion inhibitor?

This product released rust. but I don't believe WD-40 long term corrosion inhibitor is any better as it only lasts one year outdoor use, I used than 3M or NAPA products those are more permanent inhibitors (more like paint)

Q: will this remove rust on a table saw table?

Not by itself but if you use steel or brass wool with it, it will help remove rust

Product ID: 3925708

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Details

Material
Plastic
Brand
WD-40
Package Information
Can
Liquid Volume
11 Fluid
Item Weight
11 Ounces

🎯Smart Straw for precise or broad spray

⚙️Penetrates rust 2x faster

🛡️Leaves protective anti-corrosion layer

Description

🛠️ Unlock the power of precision and speed—don’t let rust hold you back!

BREAK FREE IN SECONDS - Fast-acting formula dissolves rust and corrosion to free stuck nuts, bolts, and locks with industrial strength.
DUAL MODE SMART STRAW - Switch effortlessly between targeted precision sprays and wide coverage for any job size.
MULTI MATERIAL MASTERY - Safe and effective on metal, rubber, and plastic—your all-in-one solution for maintenance.
TRUSTED BY PROS WORLDWIDE - Backed by WD-40’s legacy, delivering professional-grade reliability every time you spray.
LOW ODOR HIGH PERFORMANCE - VOC compliant and low-odor formula keeps your workspace fresh without compromising power.

WD-40 Specialist Penetrant with Smart Straw is an 11 oz industrial-strength spray designed to quickly break rust and corrosion on metal, rubber, and plastic parts. Featuring a dual-mode Smart Straw for precise or broad application, it penetrates up to twice as fast as competitors and leaves a protective layer to prevent future corrosion. Low-odor and VOC compliant, it’s trusted globally by professionals for fast, reliable maintenance on nuts, bolts, locks, and more.

Specifications

Material	Plastic
Brand	WD-40 Specialist
Package Information	Can
Liquid Volume	11 Fluid Ounces
Item Weight	11 Ounces
Recommended Uses For Product	Industrial
Flash Point	40 Degrees Celsius
Specific Uses For Product	Prevent Corrosion
Item Form	Spray
Global Trade Identification Number	30079567300008
Manufacturer	The WD-40 Company
Unit Count	1.0 Count
UPC	079567300007
Number of Items	1
Model	300004
Item Weight	11 ounces
Product Dimensions	24 x 8 x 8 inches
Item model number	300004
Is Discontinued By Manufacturer	No
Manufacturer Part Number	300007

Have a Question? See What Others Asked

Is this formula very different from original wd 40 (which didn't work on my rusted outdoor light fixture screws)?

What makes it better than standard wd 40 for rusted bolt and screw removal? Also does it work better or worse with a torch compared to original wd 40

Could this be used to release rust and be followed up an application of WD-40 long term corrosion inhibitor?

will this remove rust on a table saw table?

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