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Posted to uk.d-i-y
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Concrete fixing screws.
On 01/10/2018 11:46, wrote:
On 01/10/2018 10:42, newshound wrote:
On 30/09/2018 23:12, GB wrote:
On 30/09/2018 23:06, Archibald Tarquin Blenkinsopp Esq wrote:
Hi
Â*Â*Â*Â*Â* I bought some "Thunderbolt"Â* M8 Torx concrete fixing screws.
These are to upgrade from plastic plugs. I am hoping to get a
considerable increase in strength of fixing.
What do I use to fit them. Currently I have nothing to do a trial on,
but the suggestion that an impact driver is needed seems a little odd.
I would have assumed that the impact would just shear the newly cut
concrete thread.
Is a normal screwdriver practical, I notice Lidl have a pneumatic
impact driver on sale currently, would it be worth getting one?
Regards
AB
I have done them up with a socket set.
+1 (I have a 1/4 drive set which is usually ideal)
plus another one. I used concrete bolts for the first time recently -
very impressed. I used a 3/8 socket set though because quite a lot of
torque is needed.
Oh yes, you need 3/8 for the multi monti type that have a 6mm core, but
the ones about the size of a No. 12 screw will usually go in with a T
bar on 1/4 drive.
You do need to have just the right size pilot hole, I find.
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