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Old 02-27-14, 05:06 PM   #1
eja_ bottecchia
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Loctite 222 vs. Loctite 242

I have to remove and re-install the crank arm in my Colnago C59. I have a Campy Record 11 speed crank set (Ultra-Torque).

The Campy official page recommends using Loctite 222 on the fixing bolt. I have a small bottle of Loctite 242.

Can these be used interchangeably?

My instinct is to stick with the Campy recommendations for Loctite 222....but if I can use 242 then it will save me a trip to the store.

Thanks in advanced.

PS: I should add that I cannot find Loctite 222 in the Loctite website and I was wondering if 242 replaced 222.

Last edited by eja_ bottecchia; 02-27-14 at 05:10 PM.
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Old 02-27-14, 05:19 PM   #2
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IIRC 222 is a lower strength version then 242. I've never tried but i supose you could mix a little oil with your 242. Really i'd get the 222. Andy.
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Old 02-27-14, 05:29 PM   #3
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Quote:
Originally Posted by eja_ bottecchia View Post

The Campy official page recommends using Loctite 222 on the fixing bolt. I have a small bottle of Loctite 242.

Can these be used interchangeably?

My instinct is to stick with the Campy recommendations for Loctite 222....but if I can use 242 then it will save me a trip to the store.

Thanks in advanced.

PS: I should add that I cannot find Loctite 222 in the Loctite website and I was wondering if 242 replaced 222.
I found it at Henkelna: http://www.henkelna.com/6671.htm?q=2...el4=Industrial

It is the purple low strength automotive type. You should be able to find it at an aftermarket automotive store. The 242 seems really weak to me, I've never tried the purple.
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Old 02-27-14, 06:30 PM   #4
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222 is removable with hand tools on 1/4" and smaller fasteners, 242 is hand tool removable on 1/4" to 3/4". If your fastener is 1/4" you are good with either.
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Old 02-27-14, 08:42 PM   #5
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222 is removable with hand tools on 1/4" and smaller fasteners, 242 is hand tool removable on 1/4" to 3/4". If your fastener is 1/4" you are good with either.
Actually 242 isn't that strong either. Most gunsmith or shooters use it to mount scope sight base screws and these are #6x48 or #8x40 bolts. These are both smaller than an M4 bolt and can be removed with hand tools if needed.
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Old 02-27-14, 10:14 PM   #6
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I use 222, 242, and 271 regularly.

IME, the major difference between 222 and 242 is the breaking point. 222 has almost no breaking strength. You just feel tight or cross-threaded bolt feel from start to finish. On the other hand, 242 has the "pop" when the compound releases the bolt.

I use 222 on UT crank installation because I like using the right stuff when I'm working on other people's bikes.
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Old 02-28-14, 08:34 AM   #7
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Thank you everyone for your comments and suggestions. This is a great place to get information.

I decided to go with Campy's recommendations for Loctite 222.

I just ordered some from Amazon and it will be in by tomorrow.

once again, thank you.
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Old 02-28-14, 01:46 PM   #8
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"I decided to go with Campy's recommendations for Loctite 222."

+1 I tend to follow manufacturer's recommendations absent a good reason for doing differently; I figure that they may possibly know a little more about their product than I do.
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