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Your cart is empty.Loctite 638 is a maximum strength retaining compound for use where high dynamic force or cyclic loading is expected. Locks cylindrical assemblies up to 0.010" diametral clearance. Fixtures in 5 minutes.
JOHN H.
Reviewed in the United States on September 26, 2024
Does what it's supposed to.
Paul Copeland
Reviewed in the United States on September 21, 2024
Loctite products are as good as it gets. Use them as specified and according to the directions, there will never be a performance issue. Really good stuff across the product line!!
JimG
Reviewed in the United States on September 21, 2024
Wheeler F.A.T. wrench is easy to operate and adjust the torque. You will need to acquire a T10 star bit if you are doing red dot optics installation as this wrench kit does not come with the T10 bit. The kit includes 10 different types of bits, but not the one I need (T10) for my Trijicon RM06-C-700672 optics.
Gary Trautmann
Reviewed in Canada on June 10, 2024
Works well if you need retention and gap filler
BESHOY SAID
Reviewed in the United States on November 22, 2024
The Best
machinist
Reviewed in Canada on November 18, 2024
Pour bal joint sur side by side
D M.
Reviewed in the United States on November 16, 2024
I use this green on high vibrating bolts that I don't want backing out. It's never failed me yet.
christopher bacon
Reviewed in Canada on October 3, 2024
It's not made to be a thread locker but that's why I got it. I have a set of cheap chairs that the screws were unscrewing as we sat on them and even red locktight didn't do the trick. With that, they didn't move and I don't expect them to
William Eade
Reviewed in the United States on October 26, 2024
It worked
ron cowpe
Reviewed in Canada on April 8, 2024
Great price, fast delivery, what's not to like? If you need a retaining compound, this works well. The product is viscous and easy to place. The dispenser is easy to use. I'm very pleased with it.
Afaust
Reviewed in the United States on August 16, 2023
Used this product to secure bearings in a v2 gearbox for an airsoft replica. Works well, easy to use. Don’t get it inside the bearings.Was alarmed to see the bottle was half empty upon arrival. After a little digging, I discovered it is supposed to come with air inside the bottle due to the chemical nature of the Loctite.Will buy again.
Eric Schellenberger
Reviewed in the United States on June 6, 2023
Bought a 50ml bottle and received a 250ml bottle, lucky me. Surprised to see it is from India but that also appears to be OK, it is not a counterfeit product. Production and expiration date was taped over, that is shady, but peeled away I see the date is well within its shelf life, it is about 18 months old and good for another 18.
James Kim
Reviewed in Canada on November 24, 2022
The product does appear to be genuine but is manufactured by Henkel India and is intended for Indian market. It is quite common practice that a company may sell good cheaper in certain countries compared to others and the seller seems to be taking advantage of this. I am happy to report that the product works well. The bottle was slightly flattened probably from the plane ride over from India (due to the pressure differential in the cargo hold). However this did not affect the product inside and has a manufacture date of June this year. It took up 0.05mm (0.002") clearance in the 10mm guide pin and holds it concentric and firm. I will verify the concentricity on my lathe with an indicator tomorrow. But it works just as well as the product from Henkel North America from my previous experience. I will happily buy more loctite products from this seller.
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