[olug] Drilling Concrete Block-I'm doing it wrong
kevin.m.neubauer at gmail.com
Fri Jan 3 16:22:13 CST 2020
Agree with Justin. You need a hammer drill to be effective at it. You also
have to go slow with the rotation speed and apply moderate pressure, but
not so much pressure you break the bit. You'll burn up masonry bits quick
if you try to zip the hole in like you do with wood. If you have lots of
holes to drill, rent or borrow a larger SDS rotary hammer drill.
On Fri, Jan 3, 2020 at 4:15 PM Justin Reiners <justin at hotlinesinc.com>
> Are you using a hammer drill? It increases speeds a ton when drilling
> block, if it's block grout is much easier to drill than the block itself.
> On Fri, Jan 3, 2020, 4:13 PM Dave Thacker <dthacker9 at gmail.com> wrote:
> > I'm in the process of mounting a shelf of homelab equipment on a concrete
> > block wall in my basement. I grabbed a masonry bit from Menards, and
> > started drilling with my Ryobi cordless. While I expected drilling a
> > would take much long wood, I didn't expect to take a single hole would
> > take over 20 minutes. When I started the second hole, I got about 3/4"
> > and the bit...melted. I've now got a bit fragment stuck in the second
> > hole.
> > - How long should a masonry bit last? New bit very hole?
> > - Is there a better quality bit I should be using?
> > Dave
> > --
> > Dave Thacker
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