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  1. #1
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    Default What saw blade is this?

    What kind of saw blade is this? Damned if I can find one with teeth like it anywhere. Needed for an indexing disk, as shown.

    Screenshot_20200527-231954_Chrome.jpg

  2. #2
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    Jan 2004
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    Mackay North Qld
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    Default

    Is it a blade for cutting aluminium section?

    I saw one like it in the joinery where I had had some aluminium windows made. This was on a rather sophisticated saw with a pneumatic lock down system.

    Grahame

  3. #3
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    Oct 2004
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    Southern Highlands NSW
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    Default

    It looks like an old, pre-carbide tipped tooth circular saw blade.
    I don't think they make them like that any more.
    There must be lots of them still in sheds. Ask around? How many teeth do you need?
    Carbide tipped teeth are standard now.
    If it's just for indexing and you just need the certain number of teeth, does it matter if the carbide is there?

  4. #4
    Join Date
    Dec 2013
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    Agree, just a standard wood cutting blade, I have a heap here for my table saw.
    I bought a box of them cheap on eBay about 12 years ago, didn't know they where now unavailable.
    Try a saw sharpening place, I used to have mine resharpened and they might have one laying around not picked up.
    Using Tapatalk

  5. #5
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    Mar 2011
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    Southern Flinders Ranges
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    Default

    Looks like an old HSS circular saw blade.
    How big do you need it.?
    I think the old boy still has a few floating around in the bowels of his shed, I can take a look next week when I’m down there next if you like.
    I don’t recall him ever having a saw bigger than 7 1/4” (185mm) though.

  6. #6
    Join Date
    Nov 2004
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    Millmerran,QLD
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    Default

    It looks to be an old style HSS blade (ie: no tungsten carbide tip). I suspect, but don't absolutely know, it was called a combination blade, which meant that theoretically it could rip or crosscut in wood. In practice of course that meant it did neither as well as it could. I think aluminium cutting blades have a negative rake so they don't dig in, but that is a little difficult to see in the pic. Although it looks quite aggressive, that may just be camera angle.

    A Google search for "Combination Circular Saw Blade" may give you some clues to whether this is what you have.

    Regards
    Paul
    Bushmiller;

    "Power tends to corrupt. Absolute power corrupts, absolutely!"

  7. #7
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    Sep 2004
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    Dardanup W.A.
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    Default

    Quote Originally Posted by nadroj View Post
    It looks like an old, pre-carbide tipped tooth.................
    If it's just for indexing and you just need the certain number of teeth, does it matter if the carbide is there?
    The gullets are big and round on most of the blades I have seen, not the best for accuracy on indexing.

  8. #8
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    Quote Originally Posted by Dave J View Post
    try a saw sharpening place, I used to have mine resharpened and they might have one laying around not picked up.
    Unfortunately the town saw doctor left a couple of years ago, so not an option now.

  9. #9
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    Dardanup W.A.
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    Quote Originally Posted by racingtadpole View Post
    Looks like an old HSS circular saw blade.
    How big do you need it.?
    I think the old boy still has a few floating around in the bowels of his shed, I can take a look next week when I’m down there next if you like.
    I don’t recall him ever having a saw bigger than 7 1/4” (185mm) though.
    That would be great, thanks. 150 to 200mm is workable. I need 40 or multiple thereof for marking a couple of dials, and 36 or multiple thereof to drill indexing holes in the periphery of the back plate.

  10. #10
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    Quote Originally Posted by Bushmiller View Post

    A Google search for "Combination Circular Saw Blade" may give you some clues to whether this is what you have.

    Regards
    Paul
    Cheers, I'll look it up. I don't have one, I need a couple ;-)

  11. #11
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    Quote Originally Posted by Grahame Collins View Post
    Is it a blade for cutting aluminium section?
    Grahame
    No idea Graheme. I need one with small plain "V" teeth similar to the one pictured.

  12. #12
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    Dec 2005
    Location
    South Australia
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    Default

    Try the Woodwoork Forum

  13. #13
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    Default

    Some more searching on youtube and I think I have identified these fine tooth blades as Steel Cutting blades.
    At the top of the blade it says STEEL (upside down) so best guess is a cold saw blade??

    Screen Shot 2020-05-28 at 12.32.58 pm.jpg

  14. #14
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    I am no expert although cold saw blades normally have round gullets and a rounded tooth profile

  15. #15
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    Sep 2012
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    York, North Yorkshire UK
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    Hi Guys,

    That word "steel" on the blade likely refers to the fact that the blade is made of steel. I have some old Black & Decker circular saw blades that say steel on them, but since I've sharpened the odd one with a file, they are no harder than a longsaw wood blade, so definitely will not cut metal.
    Best Regards:
    Baron J.

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