Originally Posted by Core Shot
Very funny and accurate comment.
I feel that way drilling titinal skis.
Drilling stainless is slow, so I can only imagine the combined horror of drilling a spat.
Dont push too hard with the drill. light presssure should be enough.
Cobalt drill bits are the only thing that work well on stainless (e.g. stay sharp enough to be useful).
Other than buying a depth restrictive device, the only advice I could share is to brace the drill on your body if possible.
If you can, stand over the ski/drill and brace your arms or drill against your ribcage to apply the needed pressure. Once the bit breaks through, its easier to resist plunging through the bottom of the ski.
Conversely, if you are pushing down with arms only, and arms are away from the body, it may be harder to resist once you punch through.
Not fully sure of the reasons, but this method does give lots more control.
Hope this helps.