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JustinK · Yesterday, 03:56 AM

Anyone repair a link with locktite 271 or other?

It’s an older bimetal 78363 in good shape but not sure why the link separated.

springer · Yesterday, 04:13 AM

Clean it good and try some JB weld.

Tools · Yesterday, 04:15 AM

Loc-tite lock threads by hardening and providing resistance to torsional twisting across the thread area, a much larger surface than the simpler push-pull of studs.

The fix here is to re-knurl the ends of the studs which would expand them for a tighter fit, or replace them with fresh studs.

Now, you could use Loc-tite here if it is still a very tight fit, but if it isn't then the Loc-tite will never reach strength due to the presence of air in the fitment.

If you don't want it to separate again then clean it with acetone and use a small drop of adhesive on the knurls, epoxies are fine.

JustinK · Yesterday, 05:01 AM

Thanks!

Yesterday, 03:56 AM	#1
JustinK "TRF" Member Join Date: Aug 2011 Real Name: Justin Location: Jupiter, FL Watch: 1530,1665,1680 Posts: 2,066	Rolex Bracelet Repair Anyone repair a link with locktite 271 or other? It’s an older bimetal 78363 in good shape but not sure why the link separated. Attached Images

Yesterday, 04:13 AM	#2
springer 2025 TitaniumYM Pledge Member Join Date: Apr 2008 Real Name: jP Location: Texas Watch: GMT-MASTER Posts: 17,513	Clean it good and try some JB weld. __________________ Member of NAWCC since 1990. INSTAGRAM USER NAME: SPRINGERJFP Visit my Instagram page to view some of the finest vintage GMTs anywhere - as well as other vintage classics.

Yesterday, 04:15 AM	#3
Tools TRF Moderator & 2025 Titanium Yacht-Master Patron Join Date: May 2007 Real Name: Larry Location: Mojave Desert Watch: GMT's Posts: 43,741	Loc-tite lock threads by hardening and providing resistance to torsional twisting across the thread area, a much larger surface than the simpler push-pull of studs. The fix here is to re-knurl the ends of the studs which would expand them for a tighter fit, or replace them with fresh studs. Now, you could use Loc-tite here if it is still a very tight fit, but if it isn't then the Loc-tite will never reach strength due to the presence of air in the fitment. If you don't want it to separate again then clean it with acetone and use a small drop of adhesive on the knurls, epoxies are fine. __________________ (Chill ... It's just a watch Forum.....) NAWCC Member

Yesterday, 05:01 AM	#4
JustinK "TRF" Member Join Date: Aug 2011 Real Name: Justin Location: Jupiter, FL Watch: 1530,1665,1680 Posts: 2,066	Thanks!

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