"This is a great quality, extremely strong fixing.
I prefer this to the other/ standard m12 variation rawlbolt because you can fix slightly thicker objects to the wall out of the pack. You can also use standard threaded rod in these, which in some circumstances can be extremely useful. Have used these for securing ledgers to the wall amongst other things with no problems and great ease.
These will take a huge amount of weight."
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Review 2 for Rawlplug Projecting RawlBolts M12 x 170mm Pack of 5
"This is a good sturdy bolt but the installation data on the pack is wrong, it says drill 18mm diameter hole, whereas the Rawl website says 20mm. There is no way this is going to get into an 18mm hole without destroying the wall."