KAD 44 allu inserts

[simonfraser]

i have an M5 allen head on bolt that needs an insert
and a 10mm nut on bolt that needs an insert
both going into in Alluminium
what is the the thread type & diameter i am going to have to order ?
the allu thread is stripped, bolts come out no problem, plenty of space to drill it out and refit

tnx

 

[BruceK]

Forget head sizes, look at the bolt itself and go the next size up. However before you do so check to see how much thread is left and if a partial drill out leaves enough thread to complete the task if a longer bolt was used, or for that matter a helicoil would be a better approach to tapping in a new thread if the new bolt head is likely to foul anything or if the application is going to be torque sensitive

 

[kashurst]

Helicoil the affected parts - much better. You can get helicoil kits on Ebay cheap.
If you are doing a blind hole into a casting, drill to the desired helicoil size (in the kit) then tap it (in the kit) . Grind a few mm off the tap a bit and do it again etc until you have a full thread all the way down.

If you have never done a helicoil before, practice on a bit of scrap

 

[simonfraser]

Helicoil the affected parts - much better. You can get helicoil kits on Ebay cheap.
If you are doing a blind hole into a casting, drill to the desired helicoil size (in the kit) then tap it (in the kit) . Grind a few mm off the tap a bit and do it again etc until you have a full thread all the way down.

If you have never done a helicoil before, practice on a bit of scrap

tnx guys, i'll go for the helicoil, not torque sensitive

 

[jon and michie]

Helicoil as others have said.
Tapping a thread into aluminium can easily go wrong if not careful.

 

[petem]

What is aluminium on the KAD44?

 

[BruceK]

What is aluminium on the KAD44?

Absolutely loads.

 

[simonfraser]

What is aluminium on the KAD44?

the allu item in with the stripped threads is the black elbow in between the air filter and the turbo