In article ,
Stefek Zaba wrote:
The critical bit of info you need to give us is what material you're
drilling these holes in. "Real" brick will be fine (if you're lucky
enough to avoid the mortar between the bricks!)

16mm will not be a million miles away from the mortar between two courses.
Just make sure the wedges on the bolt are top and bottom as you tighten it.

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*I didn't fight my way to the top of the food chain to be a vegetarian.

Dave Plowman London SW
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