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Permatex 27100 High Strength Threadlocker Red, 6 ml

4.7 4.7 out of 5 stars 758 ratings

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Purchase options and add-ons

  • Brand: Spray Nine Corporation/Knight
  • Replaces set screws and snap rings and also locks against vibration loosening
  • Suggested Applications: Cylinder block and rocker arm studs, ring gear bolts, frame bolts, shock absorber bolts
  • Well-suited for permanently locking studs and press fits
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Permatex 27100 High Strength Threadlocker Red, 6 ml
Permatex 27100 High Strength Threadlocker Red, 6 ml
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Price$8.73-29% $6.57
Typical:$9.29
$11.48$3.75-14% $35.99
List:$41.77
$15.99
Delivery
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Get it as soon as Sunday, Mar 24
Customer Ratings
Easy to use
4.8
4.7
5.0
4.6
4.6
Value for money
4.5
4.5
4.3
4.7
4.5
Adhesion
4.8
4.8
4.8
5.0
Easy to remove
4.1
4.8
4.4
Sold By
Crimp Supply Inc
Amazon.com
Amazon.com
Amazon.com
Amazon.com
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Important information

Legal Disclaimer

Warning: Product may contain materials cautioned by California Proposition 65

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From the brand


From the manufacturer

red threadlocker, thread locker, loctite, best threadlocker, permanant
red threadlocker, thread locker, loctite, best threadlocker, permanent

Permatex High-Strength Threadlocker Red

Permatex High-Strength Threadlocker Red is ideal for heavy-duty applications 3/8″ to 1″ (10mm to 25mm) Red threadlocker is well-suited for permanently locking studs and press fits. Threadlocker RED adds 3,000 PSI holding power on slip and press fit assemblies, and replaces set screws and snap rings. Permatex’s Threadlocker Red locks against vibration loosening. May require heat or special tools for removal.

Designed with Mechanic’s Needs in Mind

red threadlocker, thread locker, loctite, best threadlocker, permanent

red threadlocker, thread locker, loctite, best threadlocker, permanent

red threadlocker, thread locker, loctite, best threadlocker, permanent

red threadlocker, thread locker, loctite, best threadlocker, permanent

Gel and Liquid Formulas

Permatex Threadlocker Red is available in both the Gel and Liquid formula for your preference. The Gel formula provides “liquid-reliability” without drips, globs, mess or waste

Permanent-High Strength Hold

Permatex Threadlocker Red is a high strength threadlocker perfect for those heavy-duty applications. This formula adds 3,000 PSI holding power. Requires localized heat and hand tools to remove

Lock It In

This formula adds 3,000 PSI holding power to your job helping to prevent bold and screws from loosening due to vibration and is especially well suited for permanently locking in studs and press fits

Perfect for

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

high strength threadlocker, removable threadlocker, loctite
permanent threadlocker, red threadlocker, loctite removable threadlocker, loctite removable threadlocker, loctite, bolt glue
Red Orange Blue
Customer Reviews
4.7 out of 5 stars
1,256
4.7 out of 5 stars
1,805
4.7 out of 5 stars
11,164
Formulas 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
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

Product Description

Permatex - Leading edge supplier of innovative products for auto enthusiasts, DIYers and professional technicians since 1909.Liquid formula is the standard in the industry, gives the protection of security with out the use of lock washers or lock nuts.

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Permatex 27100 High Strength Threadlocker Red, 6 ml


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Customer reviews

4.7 out of 5 stars
4.7 out of 5
758 global ratings

Customers say

Customers like the quality, value, fit and ease of use of the auto accessory. They mention that it works well, is easy to squeeze and that it fits well in their tool box. That said, opinions are mixed on bolts.

AI-generated from the text of customer reviews

77 customers mention73 positive4 negative

Customers are satisfied with the quality of the threadlocker. They say it works well, is a very trusted brand, and holds well. Some mention that it works great for their fishing magnet.

"...It was exactly what I was hoping for, and it worked flawlessly by holding a barrel nut in the handle of my Colt 45 that had a screw that would not..." Read more

"...that said, it does hold pretty well. I used to hold button head bolts into threaded hex connectors...." Read more

"...Gel glue is much better for most applications. It doesn't run, drip or pool up like regular super gluePrice was reasonableGood quality" Read more

"very good product." Read more

13 customers mention13 positive0 negative

Customers appreciate the value of the auto accessory. They mention that it is a great product and a good seller.

"...It doesn't run, drip or pool up like regular super gluePrice was reasonableGood quality" Read more

"...Product arrived fast and was reasonably priced, actually it was a few dollars cheaper than the retail auto stores...." Read more

"...Permatex is a good brand. This is less expensive than in most stores. Use the blue "removable" type for most applications...." Read more

"Such an easy fix (and an inexpensive one) for loose screws! We used them on our kitchen stools that kept getting wobbly." Read more

4 customers mention4 positive0 negative

Customers are satisfied with the fit of the auto accessory. They mention that it's tight, the smaller container fits well in the tool box, and the easy squeeze sides of the bottle. Gel glue is much better for most.

"love the easy squeeze sides of the bottleGel glue is much better for most applications...." Read more

"Good stuff it stays tight" Read more

"Have used product before, works well. Smaller container fits well in the tool box." Read more

"Nice & Tight." Read more

3 customers mention3 positive0 negative

Customers like the coolness of the auto accessory. They say it's very cool and makes for a nice clean look that no one else has.

"...Makes for a nice clean look that no one else has. Until now anyway...." Read more

"Nice & Tight." Read more

"Very cool." Read more

9 customers mention5 positive4 negative

Customers are mixed about the bolts. Some mention that it works as expected, prevents bolts from coming loose, and keeps those larger bolts not backing out on their own. However, others say that it did not secured the bolt and that it started turning inside the block wall.

"Works as expected. Prevents bolts from coming loose. Great to use in a high vibration application where the bolt should never come loose...." Read more

"It does what it's suppose to do. My bolts are never going to come loose just like I wanted." Read more

"...No more loose bolts now." Read more

"...Before I could get the "lock" to break, the bolt started turning inside the block wall. Works for me!" Read more

3 customers mention0 positive3 negative

Customers are not satisfied with the appearance of the auto accessory. They mention that it looks a little runny.

"The stuff works great. It is little runny. Be certain that you do not want to loosen the screw later as this really holds well...." Read more

"Very runny b careful" Read more

"A little runny. Be careful when you use it." Read more

Great Stuff for Leather Punches
5 Stars
Great Stuff for Leather Punches
I bought this for the screw in handles on my leather punches. Once I made sure the oil was out of the treads I put this on, screwed them in, and put some pliers on them to tighten them down. I have used it on 3 sets and not one has broken lose and I use them every day. Great stuff and I highly recommend.
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Top reviews from other countries

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Enrique
5.0 out of 5 stars Excelente pegamento.
Reviewed in Mexico on February 20, 2023
Doug P.
5.0 out of 5 stars Useful product
Reviewed in Canada on October 24, 2019
josen a.
5.0 out of 5 stars Es la seguridad en un viaje en moto
Reviewed in Mexico on November 9, 2020
Good customer
5.0 out of 5 stars lock tight
Reviewed in Canada on January 8, 2019
Adolfo Martinez
5.0 out of 5 stars Para algunas aplicaciones automotrices
Reviewed in Mexico on June 4, 2021