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.

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

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)

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

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Penetrant, Smart Straw, Fast-Acting, 11 OZ [1-Pack] | Penetrant for Metal, Rubber & Plastic Threads, Locks, Nuts, Industrial Strength for Automotive & Heavy-Duty Construction

Product ID: 3925708

Details

Brand
WD-40
Item Weight
11 ounces
Liquid Volume
11 fluid
Material
Plastic
Package Information
Can

🎯Smart Straw dual spray precision

🚀2x faster rust penetration

⚙️11 oz industrial strength

€ 28.54

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Description

⚡ Unlock stuck parts in a flash with precision power!

BREAK FREE FAST - Penetrates rust and corrosion up to 2x faster than competitors for rapid results.
PRECISION OR POWER - Smart Straw sprays two ways—targeted narrow stream or broad coverage—so you control every drop.
MULTI MATERIAL MASTERY - Safe and effective on metal, rubber, and plastic parts, perfect for diverse industrial needs.
TRUSTED PRO GRADE FORMULA - Backed by WD-40’s legacy, delivering reliable protection and corrosion prevention every time.
LOW ODOR HIGH PERFORMANCE - VOC compliant and low-odor formula keeps your workspace fresh without sacrificing strength.

WD-40 Specialist Penetrant is an 11 oz professional-grade lubricant featuring a patented Smart Straw for dual spray modes. It breaks rust and corrosion up to twice as fast as competitors, safely penetrating metal, rubber, and plastic components. Its low-odor, VOC-compliant formula leaves a protective layer to prevent future corrosion, trusted worldwide by industrial and automotive pros.

Specifications

ASIN	B00631GQGW
Best Sellers Rank	#46 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Industrial Lubricants
Brand Name	WD-40 Specialist
Compatible Material	Metal, Rubber, Plastic
Container Type	Can
Customer Reviews	4.8 4.8 out of 5 stars (18,780)
Flash Point	40 °C
Global Trade Identification Number	30079567300008
Included Components	WD-40 Specialist Rust Release Penetrant Spray with Blu Torch and SMART STRAW SPRAYS 2 WAYS, 11 OZ
Item Form	Spray
Item Type Name	WD40 300004 Specialist Penetrant Spray Smart Straw - 11 oz.
Item Weight	11 ounces
Liquid Volume	11 fluid ounces
Manufacturer	The WD-40 Company
Material	Plastic
Model Number	300004
Number of Items	1
Number of Packs	1
Part Number	300007
Recommended Uses For Product	Industrial
Specific Uses For Product	Prevent Corrosion
UPC	079567300007
Unit Count	1 Count
Warranty Description	As Labeled

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€ 28.54

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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