I have a box of helicoils in a lot of different thread sizes. I use them a lot as I end up with a lot of old and rusty cars on my drive every week for various works to be done.

I have just looked on eBay FOR YOU M12 X 1.5 X 16.3mm THREAD REPAIR KIT 15 PC HELICOIL | eBay

Bargain of the century.... buy it, give it to the garage if you can follow the instructions on the packet and job will be done. All you need to DIY is a drill ;)
 
Yup!

I open my tray of engineering drill bits, pick a size needed, drill the hole, tap it, wind the coil in with the handle you get in the kit, etc, etc lol!

They even give you the drill bit in the kit fishsponge!!!! No need to buy a tray of expensive engineers drill bits.

Anyone can do it.
 
if you can chew gum and walk at the same time it's easy. I have done lots of them, in steel ,cast iron and aluminum and I'm a American (LOL)
 
i never have chewed gum and walked at the same time to be honest (gum's horrible), so that's another unknown! lol

Anyway... I have bought one (on the assumption that 16.3mm is long enough... I think it is, otherwise I guess I could just put two of them in there!).

Do you reckon I should wind it in with some threadlock or something else, just to help make it oil tight?
 
fishsponge said:
i never have chewed gum and walked at the same time to be honest (gum's horrible), so that's another unknown! lol

Anyway... I have bought one (on the assumption that 16.3mm is long enough... I think it is, otherwise I guess I could just put two of them in there!).

Do you reckon I should wind it in with some threadlock or something else, just to help make it oil tight?
Click to expand...

FOLLOW THE INSTRUCTIONS! :eek:

WHERE DOES IT SAY USE THREADLOCK??
 
no thread lock washer on out side seals it ,only try and fit one make sure both ends of coil dont protude either side of hole
 
Sponge: Follow the manufacture's instruction to the letter. We said you need to follow the instructions, to be successful.
 
ok, ok... calm down... i plan on following the instructions to the letter (when they arrive!).

I was asking about threadlock because I didn't know how well these things work when they're supposed to hold oil in. I know they make a new thread, but have no idea how good they are generally.

Leave it with me... we'll see how it goes!
 
The heli coil insert thread is made of hard spring steel-when you screw your bolt into this thread and tighten it ,the heli coil will bite hard into the Aluminium - you will not strip a heli coil thread,the bolt will give up 1st
The military use heli coils in aluminium all the time
 
biolandy said:
the heli coil will bite hard into the Aluminium - you will not strip a heli coil thread,the bolt will
Click to expand...


They can strip out, I work for a Ali castings company, We have castings returned from testing and customers with heli-coils pulled out, saying that it is a rare few that do. In this case prob a fault with the casting/machining of heli-coil taped thread.

Just a couple of weeks a go we had a cast elbow returned from pressure testing, it had two sizes of heli-coil in both one size had striped out, one had started to strip out as well, the casting is now in Quarantine ready for rejecting and melt down.
 
Big Stu 12 said:
They can strip out, I work for a Ali castings company, We have castings returned from testing and customers with heli-coils pulled out, saying that it is a rare few that do. In this case prob a fault with the casting/machining of heli-coil taped thread.

Just a couple of weeks a go we had a cast elbow returned from pressure testing, it had two sizes of heli-coil in both one size had striped out, one had started to strip out as well, the casting is now in Quarantine ready for rejecting and melt down.
Click to expand...

That's going to give him confidence Big Stu-lol :doh:
Luckily you did say it was pretty rare :D
I reckon his chances of success on a one off are good-wait to see the posts.......
 
Big Stu 12 said:
They can strip out, I work for a Ali castings company, We have castings returned from testing and customers with heli-coils pulled out, saying that it is a rare few that do. In this case prob a fault with the casting/machining of heli-coil taped thread.

Just a couple of weeks a go we had a cast elbow returned from pressure testing, it had two sizes of heli-coil in both one size had striped out, one had started to strip out as well, the casting is now in Quarantine ready for rejecting and melt down.
Click to expand...


Come on Stu tell the peeps what the test requirements are for?

This is your landrover stuff, do not worry about it as pressure is nell
 
biolandy said:
Still moving to England shire this autumn John?
Click to expand...


Thank you for asking: So here's a update, 3 weeks in August was just great.Did a lot of traveling each day, Gill's folk's were the center point from Taunton for a new location to live 30 minutes is the requirement. Looked at alot of house's and alot of Villiages, what a beautiful country you Brits have.

We compared the prices of things adjusted for the money exchange rate, and factored in all expenssand found out it is a little cheaper to live in Britain. Our biggest expenses in the USA are:
Heating for 6 months- $3500
Car insurance for 2 cars $2400 yr
Gas for cars a week $200@wk= $10,000yr
And the taxes are terrible here close to 60%
And health insurance if you can afford it is about for me $1,800 a month
Food cost were very close, chicken and eggs are very expensive about 2-1/2 more than use eggs@ $1.89 a doz whole chicken$1.69 lb
You got great cheese, yummm yummmm

So we have to get thing taken care of here and hope by Sept of 2012 the move is complete. And a 40ft sea container with all our stuff is in it on British soil:D:D
 
I can't see much wrong with the M12 studding and a nut fishy has got in there already, does the job.

I can see a question coming up re fitting another transfer box because the old now has an M20 thread sized hole in it where the drill slipped :)
 
davek0974 said:
I can see a question coming up re fitting another transfer box because the old now has an M20 thread sized hole in it where the drill slipped :)
Click to expand...

Can you please tell us how I can make sure that the drill does not slip, also in case it does should i use the standard pitch M20 or should I use a special pitch.......:rolleyes::rolleyes::rolleyes::p:p:p


Fur Trapper said:
Come on Stu tell the peeps what the test requirements are for?

This is your landrover stuff, do not worry about it as pressure is nell
Click to expand...

The parts are for deep water equipment for use in Tidal waters, so do need to withstand a pressure, I know it would not be likely to happen that a heli-coil would pull out, under normal Landy use, just thought I would let people know that they are not a magic pill and it can happen.

Under the conditions of use for a sump plug they should do as the required purpose and no problems should occur.

They are a good way of fixing buggered screw threads.
 
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