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Joined: Feb 2004
Posts: 133
E
Member
I am in the market for a hammer drill that is capable of driving ground rods. What will give me the most bang for my buck (pun intended). Would appreciate specific model numbers along with recommendations. Thanks.

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Joined: Jan 2003
Posts: 4,391
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The bigger the better and make sure you get the attachment for driving rods.

The large SDS style chuck will take a ground rod directly but it can quickly break the chuck also.

We use a large Bosch but any large tool will do.


Bob Badger
Construction & Maintenance Electrician
Massachusetts
Joined: Dec 2003
Posts: 524
Member
... Hi,..I have a Hitachi,spline drive that was a great deal for the money..$379.00 and it has a twist knob that stops the rotation action and just hits,for use with ground rods,and chipping chisels..
It ain't a Bosch,but it acts like one.. [Linked Image] [Linked Image]
Russ

P.S....I used it for 2" core drilling thru brick and masonry,..no binding,because of the slip-clutch,it went like the devil,..Seriously,tho,it's a great drill if you need the model #,I'll look it up for ya,..
Russ

[This message has been edited by Attic Rat (edited 05-24-2004).]


.."if it ain't fixed,don't break it...call a Licensed Electrician"
Joined: Dec 2003
Posts: 524
Member
... I found it.. [Linked Image from hitachi.us] DH38YE 1 1/2" Rotary Hammer Spline Shank

[This message has been edited by Attic Rat (edited 05-24-2004).]


.."if it ain't fixed,don't break it...call a Licensed Electrician"
Joined: Aug 2003
Posts: 1,374
R
Moderator
I never used the ground rod attachment. I always just took the pilot out of a hole saw bit and used the flat part of it. Worked very well, and less stuff to buy!


Ryan Jackson,
Salt Lake City
Joined: Apr 2001
Posts: 449
F
Member
I have a Dewalt 1-1/2" spline drive hammer. I made a groundrod driver. I bought a short bull point chisel for a spline drive at a used tool flea market for $2.00, cut it off and welded a 10" piece of 3/4" rigid to it with stainless welding rod. It works great! I also made a 3/4" driving head that I have used to push 3/4" rigid under driveways with my rotary hammer. I just cut the rigid into 5' sections and thread them. Then drive a section about 4' then stop and thread on another section. Keep going until it comes out in the hole on the other side. You have to dig a 3' deep hole on both sides of the driveway but it beats cutting the pavement.

Joined: Mar 2004
Posts: 827
B
Member
Here in the Arizona desert driving ground rods can sometimes be a real challenge. I use a 40 lb. Bosch demolition hammer with ground rod attachment. It was a $700 unit new but I've got a lot of use out of it. Just last week we had a house on bedrock 2 feet down. Tried 6 different locations around the house. Finally drove them at a 45 degree angle.

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Joined: Apr 2002
Posts: 558
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I use a Bosch Demolition hammer. I have tried roto-hammers but they are too slow especially in hard soil.

Curt


Curt Swartz
Joined: Jan 2002
Posts: 1,457
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Member
I have the same one as Attic rat. I have the ground rod attachment. Works very well for the money.

Joined: Oct 2000
Posts: 4,145
Likes: 4
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Anybody want to hear that on Long Island sometimes we have to tap lightly to keep the rod from going down too far??

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Bill


Bill
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