Originally Posted by
sysrq
I haven't drilled anything yet since the original threads still can be tightened up to 10Nm, but they can strip completely at the most inconvenient time.
So you ran an M10x1 Helicoil into an M10x1-threaded hole that still has viable threads innit and you expect the Helicoil to accept the original M10x1 bolt?
If so, it won't - trust me on this. Helicoils are intended to be installed in a smooth-sided bore of a diameter indicated on the packaging they came in. M10x1 'coil needs a
10.25mm hole for aluminum, magnesium, steel and plastic for proper installation.
You could use an X (10.0838mm so will be tight!) or a Y drill (10.2616mm dia.) as a 10.25mm bit might be tough to find.
McMaster has 10.2mm for ~ US $27 (shipped) which ought to work OK if you're careful doing the job.
Or have I missed something?