Replies

1. 
   sapwood | Dec 15, 2012 11:43am | #1

   You will need a serious hammer drill. Something that delivers heavier blows with less rpm. A good sized Bosch or Hilti. Visit your local tool rental shop. This will probably cost you less than $50 per day and should include the bit. 

2. 
   calvin | Dec 15, 2012 05:38pm | #2

   No to Hammer Drill, Yes to Rotary Hammer.

   There's a big difference.

   Try both and see what you think..............well, try the rotary hammer as you've already vetoed the hammer drill.

   And for driving, impact driver and use the hex head instead of the phillips tapcons.

   Clean the holes out real good and drill deeper than the fastener will go.  If it bottoms out because of the crap you didn't get out of the hole, you'll be back where you started and hating every minute of it.

   Now, what's the problem with the Powder Actuated Device you've been using.  I've got a 35 y.o. Hilti that still blasts nails into any vintage concrete.  When it starts to fracture the area around it, I'll go to tapcons, or if you feel you need the extra bite to hold it forever.......stick with the tapcons.

   If it doesn't drive them in enough, you need to increase the rating of the load.  The Hilti I have will fasten to steel as well..................using the proper load.

   Best of luck.

1. 
   DaveRicheson | Dec 15, 2012 06:55pm | #3

   +1

   What Calvin said.

2. 
   xxPaulCPxx | Dec 16, 2012 04:20pm | #4

   I've easily drilled dozens of holes in my 52yo concrete with my Bosch Bulldog

1. 
   calvin | Dec 16, 2012 05:18pm | #5

   Just for clarification

   You meant the post to the original guy right?

   as the bulldog is a rotary hammer.

1. 
   xxPaulCPxx | Dec 24, 2012 12:06pm | #6

   Just supporting what you said.

1. 
   calvin | Dec 24, 2012 04:39pm | #7

   paul

   Thank you and Merry Christmas

2. 
   xxPaulCPxx | Dec 27, 2012 03:04pm | #8

   And a Happy Hannuka to you!

3. 
   calvin | Dec 27, 2012 05:49pm | #9

   Paul

   notice how we're not politically correct, yet the warmth and joy of the holiday greeting is still meaningful and in good taste.

   Here's one-needing no variation and perhaps no local interpretation.............

   Happy New Year!

4. 
   DanH | Dec 27, 2012 06:11pm | #10

   Ah, but you bigoted swine are assuming that everyone honors the miserable Western/Catholic calendar.  What about Chinese New Year?  What about HIndu New Year?  (And what about Mayan New Year?)

5. 
   MarkH | Dec 27, 2012 06:29pm | #11

   Mayan new year is SO last year...

6. 
   calvin | Dec 27, 2012 06:36pm | #12

   First of all Dan...............

   you reminded me of an old feminist slogan from the late 60's

   "sexist pig you'd better start shake'n

   for todays pig ...........

   is tomorrow's bacon"

   But back to bizness-

   Happy New Year from me in this country to you in this country. 

   Pretty sure Paul, you and Mark are not any of those other things and so, I'll stick to the merican greeting.

   Hope the rest of you all have a good something too.