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Thread: Need router bit

  1. #1

    Need router bit

    I am looking for an upspiral carbide bit, 3/8" dia x 1/4" shank. I checked all the catalogs and none are listed. They list 3/8" and 1/2" shank, but no 1/4". Can anyone help me?

  2. #2
    Join Date
    Apr 2007
    No, not all of SoCal is Los Angeles!
    I have never seen one. Spirals are solid carbide and I'm not sure a large head on a small shaft is a good idea with solid carbide(?). You will be able to find a 3/8" shear-cut with a 1/4" shaft; CMT and others have these. Is this for a laminate trimmer? If a 1/4" collet regular router, could you make multiple passes?
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  3. #3
    Join Date
    Nov 2006
    Austin, Texas
    I don't know about this request, but when I have challenged the folks at they have always been willing to custom make a bit for what I consider in-stock prices and service.

    I also am concerned about a solid carbide bit (brittle) with a larger diameter on a 1/4 inch shaft.
    Charlie Plesums, Austin Texas
    (Retired early to become a custom furnituremaker)
    Lots of my free advice at

  4. #4
    Join Date
    Nov 2006
    Odessa, Tx

    Small Correction/Clarification

    I must point out that not ALL Spiral bits are Carbide, they are also many made from HSS, but I still don't think I have ever seen any spiral bit where the cutting part is a larger diameter than the shank.

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