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Thread: 1" Roundover Bit

  1. #1
    Join Date
    Jan 2004
    Posts
    696

    Default 1" Roundover Bit

    I'm not planning on using the 1" roundover in the Bot, but did buy a CMT yesterday for around $85 locally...I used the bit, and it is great, well balanced and gave a nice smooth cut. I found a 1" roundover on the Grizzly site for $30...I know I got a good price on the CMT, but what would I be giving up going the the cheaper bit? Will the CMT, most likely outlast the cheaper bit...have to be re-sharpened less? Better balanced? Still learning on router bits, and don't mind spending more when I can as long as its justified.

    Erik

  2. #2
    Join Date
    Jan 2004
    Location
    , Ottawa On
    Posts
    535

    Default

    If I understand correctly, the CMT bits are laser cut, at my V-Bits are, which I think is a little more accurate, and offers a real clean edge. I have very good luck with CMT and still have the origninal 60Deg that came with my tool.

  3. #3
    Join Date
    Jan 2004
    Posts
    696

    Default

    Thanks Dale...thats what I'm looking for...something I can rely on...but there is always that little bird telling me i could have saved a nickel.

    Erik

  4. #4
    Join Date
    Mar 2004
    Location
    Delray Beach, FL
    Posts
    3,708

    Default

    Erik-Some years ago Grizzly bought out a US toolmaker called SY and started selling their bits under their own name-then they started having a lot of the tooling done in china. Independant tests have shown that for average use they are ok but generally (and specifically when compared to CMT or Amana) have an inferior carbide and so neither hold an edge as well nor take as many resharpenings. Never fear-you did the right thing!!
    Dave

  5. #5
    Join Date
    Jan 2004
    Posts
    696

    Default

    Thanks Dave...The bit really has impressed me, as I'm not using it on the BOT...I was somewhat nevous about the using it in the hand router the first time (visions of blood and missing fingers)...but I think your right...I did the right thing.

    Erik

  6. #6
    Join Date
    Jan 2004
    Posts
    696

    Default

    A crazy question...I have the cabinets almost completely finished, I stupidly put the staples need to hold it all together too close to the glue joint...will the carbide bit be able to safely cut the staples from the air gun? Or do I run a high risk of chipping the $90 bit and ruining it forever?

    Erik

  7. #7
    Join Date
    Oct 2000
    Location
    Atlanta GA
    Posts
    1,499

    Default

    you definitely run a high risk of chipping the $90 bit.
    you might be able to countersink the staples below the cutting area using a narrow countersink and a "cordless" hammer

  8. #8
    Join Date
    Jan 2004
    Posts
    696

    Default

    yeah, thats what I figured I would have to do...I'm not sure if my batteries are charged for the cordless hammer
    I wonder how long I can keep telling myself...but just think how long this would have taken if you had to do it by hand...and still have that excuse work? Thanks again David. I'll post a pic of the cabinets later...if your interested...you'll see why I needed to use the staples.

    Erik

  9. #9
    Join Date
    Feb 2004
    Posts
    12

    Default

    I use Grizzly Import router bits exclusively. I machine acrylic plastic as well as lexan. This stuff is INCREDIBLY tough on tools. I see virtually no difference in the performance or longevity that would make me willing to pay the extra money. I run patterning bits and straight cutters. I do not resharpen. The paper backed stuff I cut puts deep grooves in the carbide where the paper is cut. I make periodic Z moves to spread the damage. Resharpening means changing cutter comps for offset. I chose not to do this. In the giant scheme of things, you roll the cutter expenses into the job price, so why mess with it?? Scott.

  10. #10
    Join Date
    Jan 2004
    Posts
    696

    Default

    Well I will have a chance to compare...as I'm not willing to risk the new CMT bit...I decided to order a Grizzly 1" round over bit...with shipping it was $36...so caulk it up to RD cost! These are the first of many...so figuring out all these mistakes is expected...I can forgive myself for ruining a $30 bit...but I'll still be mad if it happens

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