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second the hammer-drill Posted by Ari [Email]  (#2847) [Profile/Gallery]
(more from Ari) on Wed, 8 Sep 2004 11:31:16
In Reply to: drilling into concrete, nt moore, Wed, 8 Sep 2004 11:06:28 Members do not see ads below this line. - Help Keep This Site Online - Signup |
If you weren't using masonry bits to begin with, then you've just bunged-up a bunch of woodworking/metal bits.
Masonry bits in a standard electric drill are OK for very small holes. For 1/2 inch holes, you'll be at it for the rest of your life, and you'll go through a bunch of bits.
Rent a hammer-drill, and get a decent carbide bit. Maybe you can rent one of those, too.
I was setting 1/2 inch anchors in a concrete wall to hold up the ledgerboard of my deck. Something like 16 holes, 4" deep, as I remember. With an electric drill and a masonry bit, I managed to drill about 1/2 inch in 15 minutes, and the hole was lousy. A buddy of mine was an electrician, and he had a professional hammer-drill and carbide bits. Serious tool. Took about 15 SECONDS a hole. It took me longer to get myself into position and line up the drill than to drill the hole. Make sure you mark the depth - it'll go that fast.
The difference between a good hammer-drill and bit, and a masonry bit in a standard drill isn't night and day - it's F1 car versus tricycle. Well worth the hassle.
posted by 192.249....
, Wed, 8 Sep 2004 11:31:16 <-- Viewing This Message
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