what drill bit will drill into concrete walls with pebbles


Postby dingbat » Mon Jul 13, 2009 10:15 pm

I have tried so many different drill bits, I have a good hammer drill but the bits always slide off the pebbles. I did have a drill bit once that worked but cannot remember the name of it, I think it was something like, destroyer, destructer, demolisher. Can anybody help please, I have loads of shelves to put up and I cannot get a good hole.
dingbat
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Postby stoneyboy » Fri Jul 17, 2009 6:51 pm

dingbat,
Buy some hilti masonry bits - they work fine.
end
stoneyboy
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Joined: Wed Dec 10, 2008 6:44 pm


Postby Steve the gas » Sun Jul 19, 2009 9:02 am

You have probably got 'no fines' concrete walls ie no sand as such in it.
Hilti do o 'no fines' drill bit or used to when I worked for them. An alternative would be a smaller bit than the size of the fixing- as the hole ends up bigger everytime.
Steve the gas
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Joined: Sun May 04, 2008 7:07 am


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