Tony Bryer wrote:

On Sat, 21 Sep 2013 19:51:15 +0100 Andy Burns wrote :

I'll want to drill and tap a dozen holes into stainless steel tube,
this is 2mm wall thickness, 42mm diameter handrail

Would threaded pop rivets be suitable? e.g.
http://www.poprivet.co.uk/productran...t=m5fro_s_s_39

Yes, just started considering that, the tool is as cheap as buying tap &
holder, and sounds an easier process.