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After a bit of interest in this subject on my crf450 thread I thought it could be helpful to start a new thread on just this subject.
I’m sure Teknik will put in some great advice to help us all
Here’s a video ( done by Stephen Hawkins it sounds like
) on Time serts
http://youtu.be/anjDQJtWFc8Nick
Time sert kit
About $150 for this kit ( does one size only)
Heli coil kit
About $120 for this kit ( does multiple threads )
Nickj wrote:Heli coil kitAbout $120 for this kit ( does multiple threads )
Don’t want to sound difficult but that isn’t a genuine helicoil kit and some from experience the cheaper kits are crap, the coils break and you end up in my trouble than you started in. The threads break, arent made from stainless, the tags snap before the thread is seated. The genuine kits are more expensive
Just saying
TB
Great thread Jacko,,
I have used Helicoils many times in various applications in the past and they are pretty solid
Never heard of the Timeserts ,, but it is always good to have more options …Cheers
Nick is right the Time-serts are way more solid, dont pull out like a helicoil can and does every now and again , you can back it out if you have a problem on installation and are stronger again.
TB
Trailboss wrote:Nickj wrote:Heli coil kitAbout $120 for this kit ( does multiple threads )
Don’t want to sound difficult but that isn’t a genuine helicoil kit and some from experience the cheaper kits are crap, the coils break and you end up in my trouble than you started in. The threads break, arent made from stainless, the tags snap before the thread is seated. The genuine kits are more expensive
Just saying
TB
Great point TB , I was just searching for a picture example and this came up , good to know their are some cheaper sub standard copies out there !!
Nick
This is a better quality bike specific kit for M6 and M8 bolts and valued at $178
Hey, a fastners thread, i’m in love!
This is my helicoil selection. There are a few brands but we can lump them all into one basket, wound stainless steel inserts.
Now you can see the issue with helicoils, they are just a spring you wind into an oversize tapped hole.
1. Loctite won’t hold them in, it’s an anaerobic sealant (needs absence of air to dry) The gaps won’t let it go off when you fit it. So you wind your bolt in and the loctite gets on your bolt, then it dries. The next time you pull it out the insert comes out too.
2. You need to be careful not to skip a thread when you install it, especially if it’s not a deep hole, the tap will stop cutting before the bottom and the insert will jump. Then you wind the bolt in and cross thread it at the bottom. Awesome to take out. Not.
This is a spark plug repair time sert. It’s a solid thread that uses a broach to expand the insert into the threads, mechanically locking it into place PLUS threadlock will dry in it too AND if you need to remove it a little heat and an EASY OUT will get it out with no damage to the parent thread.
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