Helicoils?

[rf9rider]

What are they then Mustang?

[cosmo]

They're "Keenserts"

Cosmo

[Mustang]

http://www.newmantools.com/keysert/Keys ... hureNT.pdf (http://www.newmantools.com/keysert/Keysert_BrochureNT.pdf)
available here in UK
http://www.specialty-fasteners.co.uk/index.php (http://www.specialty-fasteners.co.uk/index.php)

or here in USA
http://www.mcmaster.com/#threaded-inserts/=48fc2s (http://www.mcmaster.com/#threaded-inserts/=48fc2s)

[rybes]

cheers for those links mustang. theyve been bookmarked for future reference. they have some good stuff in there :D

[rf9rider]

Cheers Mustang, i`ll have a look at those if the helicoil doesn`t work out.

[metalguru]

Worth do a nice line in inserts. Have used them a lot, yes they are expensive, but I never had one fail, not even on sump plugs, or fixings that are removed frequently, would definately rate them 100% better than Hellcoils.