Heres a bit that will cut the concrete and the rebar too.
http://www.renovation-headquarters.com/newproductshowcase27b.html
Bob
K6UJ
On Sep 28, 2012, at 8:09 PM, Bob K6UJ wrote:
> How about this ? I would use a good carbide tipped masonry bit until I hit
> rebar, then use one of these bits to cut thru the rebar.
>
> http://www.strongtie.com/products/anchorsystems/carbide/rebar_cutters.html
>
>
> Bob
> K6UJ
>
>
>
>
>
>
> On Sep 28, 2012, at 7:20 PM, Bryan Swadener wrote:
>
>> Hi Steve,
>>
>> I bet the folks at Northend Rental (ph: 425-745-5690) can answer your
>> question. They rent/sell tools & supplies to the construction trades.
>>
>> vy 73,
>> Bryan WA7PRC
>>
>> Howdy, TowerTalkians --
>>
>> I've added anchor bolts to existing concrete bases many times and
>> historically have rented a roto-hammer and bit. It wasn't a concrete drill
>> bit
>> but it was sort of a concrete coring bit. But instead of being hollow,
>> there was an inverted dome in the middle just above the cutting blade.
>> Apparently what the dome did was to pulverize the concrete as you drilled
>> down. It would cut thru rebar with no problem and was perfect for the job.
>>
>> Now I have to do the same thing and nobody around here (the PNW) has
>> even heard of the bit - including the Hilti distributor. Can someone tell
>> me
>> what this bit was? It makes the job so easy. Since we couldn't find the
>> aforementioned bit, we spent a lot of money on different bits and drills
>> before we gave up and had a professional concrete coring company stop by.
>> He
>> used a hollow concrete coring bit and just broke off the stuff in the hole.
>> Worked FB but I'd still like to know what I'm missing as far as the bit
>> I've
>> used before. Tnx.
>>
>> Cheers,
>> Steve K7LXC
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>>
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