I used this for engine block mounts for my motorcycle. I originally had purchased it because I need it for the front differential and rear for my truck. I recommend it.
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From the brand
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Featured Products
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Permatex is a leading manufacturer and distributor of premium chemical products to the automotive maintenance and repair, home and hardware markets. Product categories include gasket makers, sealants, hand cleaners, threadlockers, adhesives, cleaners, repair kits, and lubricants.
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Permatex is a leading automotive chemical manufacturer for both professionals and DIY'ers.
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Gasket Makers
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Thread Compounds
From the manufacturer
Permatex Blue Threadlocker
Permatex’s Medium-Strength Threadlocker Blue is ideal for all nut and bolt applications 1/4″ to 3/4″ (6mm to 20mm). Threadlocker Blue eliminates need for stocking expensive lock nuts and lock washers and locks and seals while preventing parts loosening due to vibration. Protects threads from corrosion. Threadlocker BLUE is easily removable with hand tools for easy disassembly.
Designed with Mechanic’s Needs in Mind
Gel and Liquid Formulas
Permatex Threadlocker Blue is available in both the Gel and Liquid formula for your preference. The Gel formula provides “liquid-reliability” without drips, globs, mess or waste
Medium Strength Hold
Permatex Threadlocker Blue is a medium strength all purpose threadlocker that eliminates the need for expensive lock washers. Threadlocker Blue is removable with hand tools for easy disassembly
Lock It In
Permatex Threadlocker Blue locks and seals bolts while preventing parts from loosening due to vibration. It also protects threads from corrosion.
Perfect for
Valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, carburetor studs
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| Customer Reviews |
2,321
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2,077
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11,593
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| Price | $10.80 | $10.98 | — no data |
| Formulas Available | Liquid and Gel | Liquid and Gel | Liquid and Gel |
| Strength | Permanent- High | High-Removable | Medium |
| Removability | Requires heat and hand tools | Hand tools | Hand tools |
| Common Applications | Threaded and slip fit joints, cylinder block and rocker arm studs, ring gear bolts, transmission and shaft bolts, strut or shock hardware, control arm hardware and many motorcycle applications | Case half bolts, triple tree fasteners, stator bolts, axle nuts, dirt bikes, heavy-duty construction, power tools, lawn and garden | Valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, carburetor studs |
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Great value! Works exactly as expected
I wanted to have some of this handy as I began my first AR build...now, multiple AR’s later I can’t believe how often I find myself reaching for this stuff. Absolute necessity when installing AR accessories. Works well, and I feel I got excellent value for my money. UPDATE: I have now used this product at least two dozen times on everything from red dot sights and anti-walk pins, to QD attachments etc...I haven’t encountered even one issue. I put a drop on the screw in question and install, and it stays in place. Very simple. When needed, I have had no issues loosening any screws to reposition etc...This product works as well any other name brand product, IMO. I definitely give 5 stars and I still recommend. ******************************* I rely heavily on reviews when I make purchases so I put some time into reviewing everything I buy on Amazon for personal or business use so I can help other people considering that item. If you found my review helpful, please consider hitting the "helpful" button below when it asks if the review is helpful!
Top reviews from the United States
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- Reviewed in the United States on May 24, 2025Size: 10 mlStyle: Gel - Medium StrengthVerified Purchase
- Reviewed in the United States on June 3, 2025Size: 35 mlStyle: Gel - Medium StrengthVerified Purchase
- Reviewed in the United States on May 13, 2025Size: 10 mlStyle: Gel - Medium StrengthVerified Purchase
- Reviewed in the United States on March 20, 2025Size: 10 mlStyle: Gel - Medium StrengthVerified Purchase
- Reviewed in the United States on May 8, 2025Size: 10 mlStyle: Liquid - Medium StrengthVerified Purchase
- Reviewed in the United States on April 18, 2025Size: 36 mlStyle: Liquid - Medium StrengthVerified Purchase
- Reviewed in the United States on April 17, 2025Size: 6 mlStyle: Liquid - Medium StrengthVerified Purchase
- Reviewed in the United States on April 5, 2025Size: 10 mlStyle: Gel - Medium StrengthVerified Purchase
Top reviews from other countries
- Marcas T.Reviewed in Australia on July 27, 2024
Genuine product
Size: 50 mlStyle: Liquid - Medium StrengthVerified Purchase -
Remi MartinReviewed in Mexico on September 1, 2019
El mejor sellador de roscas - evita fugas y que la vibración afloje tus ensambles.
Size: 6 mlStyle: Liquid - Medium StrengthVerified Purchase - IcebergReviewed in Singapore on July 31, 2022
Screw cap snapped off.
Size: 6 mlStyle: Liquid - Medium StrengthVerified Purchase -
snufkinReviewed in Japan on November 20, 2023
意外と小さいボトルでした
Size: 10 mlStyle: Liquid - Medium StrengthVerified Purchase - Amazon CustomerReviewed in Canada on October 27, 2017
Five Stars
Size: 10 mlStyle: Liquid - Surface InsensitiveVerified Purchase
