On 10 Sep, 12:46, Owain wrote:
On 10 Sep, 12:09, Adrian Brentnall wrote:

The steel pressing seem to be designed to accomodate infil panels - and
have a variety of round and oval holes ready-punched...
So - is there some kind of a plastic fixing that snaps into these holes
to accomodate a screw or somesuch - or do people generally just whack
self-tappers into the inner panels ?

AIUI "cage nuts" allow you to use bolts into holes

A quick look at cage nuts on a website took me to this:-
http://shop.comdir.co.uk/Products.as...rWebTemplate=C
& http://shop.comdir.co.uk/Products.as...rWebTemplate=C

which may be closer to what Adrian is looking for.