"Roger Mills" wrote in message
...
In an earlier contribution to this discussion,
The Medway Handyman wrote:


If the fixing is sound you won't have a problem. Use large plugs
7mm/8mm drill size and No;10 screws protruding 50mm ish past the
fixing.

Going off at a tangent slightly . . .

Anyone know whether you can get 7.5mm SDS bits? [I've got some plastic
plugs which won't comfortably go into a 7mm hole, but are like a prick in
a shirt-sleeve - and turn with the screw - in an 8mm hole.]
--
Cheers,
Roger
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You could use a 7mm bit and 'wiggle' it around a bit to slightly enlarge the
hole. Also I've found debris can prevent plugs going in cleanly, so I
usually vacuum clean the hole after drilling. Or you could replace your
plastic plugs.
Cheers
Steve