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Does This Type Of Boring Bar Have A Common Name?

Discussion in 'A BEGINNER'S FORUM (Learn How To Machine Here!)' started by Dan_S, Dec 29, 2016.

  1. Dan_S

    Dan_S Active User Active Member

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    I'm looking at getting some of these for an upcoming project, but I can only find them from on retailer. The shank is the same diameter along its entire length, but is smaller than the head. So like an insert bar, you can minimize stick out to increase rigidity.

    I've been searching for two days now but can't find them, is their a common name or somersetting i should be searching for?



    Carbide-Multi-Extension-Boring-Bar-TiAlN-Medium-3.jpg
     
  2. Jimsehr

    Jimsehr United States Active User Active Member

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    I looked at moritool and found them.
    Jimsehr
     
  3. Dan_S

    Dan_S Active User Active Member

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    That's where i got the picture from, I was looking to see if anyone else sold them.
     
  4. seasicksteve

    seasicksteve United States Active Member Active Member

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  5. Dan_S

    Dan_S Active User Active Member

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  6. kd4gij

    kd4gij United States Active User Active Member

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  7. Dan_S

    Dan_S Active User Active Member

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  8. Wreck™Wreck

    Wreck™Wreck United States Active User Active Member

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    Solid carbide bar, not to be confused with a carbide shank insert tool.
    This is a tool that is not intended for the hobbyist market, do not be surprised if you can not find the same $100.00 tooling for $15.00 at harbour freight.

    However several companies produce more conventional products for short runs, Accupro comes to mind, have had excellent results with their solid 1/4" shank carbide boring bars.

    Good Luck
     
  9. Dan_S

    Dan_S Active User Active Member

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    Mari tools is charging $68 for a 1/2" by 4" bar, and I have no problem with the price.

    I'm searching for alternatives, because I have no frame of reference with regards to pricing/availability/quality, and I'm the super stingy type of customer who won't even fork over a dollar unless I know its worth it. Basically I want to make sure I'm making a well informed purchase.

    This is for my next project, that's going to require me to bore out a hole at the mill that's 2-1/2" deep by 15/16" in diameter. My Criterion takes 1/2" shank tools, and 2-1/2" worth of stick out is a lot for the wimpy necked down steel shank tools that normally get run in a boring head.


    I'm familiar with Micro 100, but they are also necked down, and i was trying to avoid that if possible.
     
  10. pineyfolks

    pineyfolks Active User Active Member

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    A simple 2 flute endmill makes a great boring bar for small holes. Plus they're cheap.
     
    JimDawson likes this.

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