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Hammer Drill Recomdations #179425 07/12/08 05:25 PM
Joined: Mar 2005
Posts: 34
C
Chris Simms Offline OP
Member
I need to purchace a hammer drill and attachment for driving ground rods
Any suggestions? Around 500.00
Thanks
Chris

Work Gear for Electricians and the Trades
Re: Hammer Drill Recomdations [Re: Chris Simms] #179426 07/12/08 05:33 PM
Joined: Jan 2005
Posts: 5,316
renosteinke Offline
Cat Servant
Member
First of all, you do not want a 'hammer drill." You want either a 'roto hammer' or 'demolition hammer.'

The Roto hammer will need to be large enough to take either SDS-Max or Spline bits. (Spline drive is pretty much out of favor). If it's a demolition hammer, it will have take hex shanks, either 3/4 or 1 1/8".

For the money you want to spend, and the relative rare use the tool will see, I suggest you consider the Harbor Freight offerings. Tool snobbery aside, I have found this "Cheap Chinese junk" to perform quite adequately in these particular tools.

If your area is particularly rocky, or you also need to take apart post light bases, I suggest you 'up the ante' to about $900, and get Makita's 35# (half size) jackhammer.

While any of these tools will drive the rod without using a bit, I always use a bit. I see no reason to risk the tool by not having a bit in place. Ground rod driving bits cost about $60.

Re: Hammer Drill Recomdations [Re: renosteinke] #179428 07/12/08 08:40 PM
Joined: Jul 2007
Posts: 265
W
wire_twister Offline
Member
I have a Hilti TE-75 that I bought used off of e-bay for $475 plus shipping. Bought the bit to drive ground rods with and never regretted it. Wont drive one thru rock, but not much rock around here anyway.


Jimmy

Life is tough, Life is tougher when you are stupid
Re: Hammer Drill Recomdations [Re: wire_twister] #179446 07/14/08 08:10 AM
Joined: Oct 2002
Posts: 482
Z
Zapped Offline
Member
I'll throw in another vote for Hilti Chris. I've never had a days grief from any of my Hilti power tools.

I would never ignore advise from reno though, so consider cost vs. intended use and good luck on your decision.


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