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Thread: Is granite a good router table top?

  1. #1
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    Is granite a good router table top?

    I came across a 5 foot by 4 foot granite slab from for a counter top that is cheep enough for me to use for my new router table. I know these things are pretty darn flat but how do they fair as a work surface.

    I know its tough enough. but does the work slide over it very well?
    Is it too hard to mortise the router plate into and how much would the bit cost to do that? Would the bit be so expensive that its not worth it?

    any input would be appreciated.

  2. #2
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    Steel City Tools use Granite for the machine tops so I would think it would work. BUT I would contact a Granite co and have them machine the area out for the router and such you cant use regular bits they are diamond bits and have to run in water.
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  3. #3
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    i will second the fact on having the granite company cut out the hole, so you should get your inset top first to have the right fit.. wood should slide across it very nicely..
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  4. #4
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    I wont third that but I'm a different breed and cut stone on a regular bases.
    If you don't have the stuff and don't have any experience messing with stone take it to a granite counter top place and have it done. Ok so I third that
    It could be worse You could be on fire.
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  5. #5
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    I have cut stone but only along an edge. I have polished it also but that isn't anything like rabbiting a square hole at a specific depth.

    I wasn't thinking of getting any one else involved because of the cost. I bet having some one do the hole for me would be more than the granite. I would only be paying $75 for a 5' by 4' slab. thats why I wanted it. that and the fact I know it will be flatter than anything I build.

    Chuck: I have the template that comes with the router plate I want to use. If I had a diamond bit, would it last long enough without water to make the rabbit I need?

    I was thinking this http://www.toolocity.com/diamond-fin...-12-shank.aspx or maybe 2 of them because they are cheep.
    Last edited by keith Boutselis; 03-11-2013 at 11:28 PM.

  6. #6
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    Apparently there are carbide bits that'll cut granite without water:

    http://www.2linc.com/tools_armor_mill.htm
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  7. #7
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    Quote Originally Posted by Vaughn McMillan View Post
    Apparently there are carbide bits that'll cut granite without water:

    http://www.2linc.com/tools_armor_mill.htm

    I don't know if that will work well enough on removing a lot of material. looks like it would handle lettering but that seems lighter work than what I need.

  8. #8
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    I don't think it would cost much to ask if a counter top/granite shop what they would charge to do the hole. You might be pleasantly surprised, than again maybe not.
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  9. #9
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    Quote Originally Posted by keith Boutselis View Post
    If I had a diamond bit, would it last long enough without water to make the rabbit I need?

    I was thinking this http://www.toolocity.com/diamond-fin...-12-shank.aspx or maybe 2 of them because they are cheep.
    The only way to find out is to buy one and see what happens. I have gotten bits and blades that have been stellar and I have gotten ones that where junk right out of the box. Most of the stellar ones I have had cost the long dollar.
    It could be worse You could be on fire.
    Stupid hurts.

  10. #10
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    If I could get a 4'x5' slab of granite for 75$, I'd buy it and figure out what to do with it later.

    You could always cut chunks to use for Scary Sharp Sharpening.

    That's a bargain, and I agree with Paul, it wouldn't hurt to ask how much to get a hole rabbeted in it.
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