Reply by Cgwendling

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Posted on Concrete floor & walls... defying me

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12 posts in 2405 days

#1 posted 04-08-2013 02:10 PM

Questions. Are you using a hammer drill or a rotary hammer? Are you using Tapcon or similiar concrete screws with a bit smaller than 1/4”?

If you are using a regular drill you will have a tough go of it and will burn up alot of bits.
I’ve been drilling holes in concrete for the better part of three decades and have found that a hammer drill is not much good for any hole much over 3/16”. Use compressed air to keep the hole cleaned out while drilling. A rotary hammer is the correct tool for the job but they tend to break bits smaller than 3/16”.

As others have said the ramset system is a good fit for your application.

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