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Good Quality Rotary Tool Bits ?

Discussion in 'Working the Steel' started by Timmer377, Oct 22, 2018.

  1. Timmer377

    Timmer377 New Member

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    Morning folks.. I am wondering if anyone knows where I can purchase any higher quality rotary tool bits??? I am working on knife guard out of 416 SS and need to cut a slot for the tang and the set of "diamond" bits I picked up from Princes Auto would burn out in a min or so.. went through 4 and never actually connected the drilled holes into a slot !

    Recommendations of brands to buy and places to get them would be greatly appreciated..

    BTW.. also recommendations of how to cut these "enjoyable little slots" in the absence of a milling machine are welcome too.. are there tricks of the trade?
     
  2. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    I had the same problem. So many cheap rotary bits out there. This one was not bad. It's a set and I bought based on the good reviews. It wasn't as good as the reviewers made it out to be but, it was pretty decent for 7 bucks. The import fees and exchange were more than the bits.

    https://www.amazon.com/SE-82331TF-3...=rotary+tool+bits&refinements=p_72:2661618011

    Other than that, all I can suggest is that Amazon is good for stuff your'e not sure about. It's not foolproof but having a few people who have bought and reviewed the item is at least a decent idea about how well the thing may work. That's all I got. Otherwise, if you find a good set, let me know. This one is "okay" for the money but don't expect too much.

    Good luck Timmer.
     
  3. FORGE

    FORGE Active Member

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    http://www.drilltechnology.com/drilltec.html#menu
    These guys make ever tool imaginable wit a 1/8 shank that will fit in a Dremel . I ordered some bits from them about 5 years ago and am still using them to slot my hidden tang guards.
    You still have to take a file and do the finished cut to size.
    Small files 3/32 and thinner are getting hard to find. Nicholson was making a small 6 inch file but the tolerating on the thickness was like + or - .040 so you could have one file that was .080 thicker than another file. I called then and was told that this was their typical tolerating.
     
    Last edited: Oct 23, 2018
  4. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    Awesome site, thanks.
     
  5. Timmer377

    Timmer377 New Member

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    Thanks very much folks.. I will check them out
     
  6. Timmer377

    Timmer377 New Member

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    Hi.. I looked and they have a lot of bits.. Are there any ones in particular that you would recommend/use for cutting the slots for hidden tangs ? I am using 3/16 stock
     
  7. FORGE

    FORGE Active Member

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    These are the two sizes I use in my Dremel CB0938F 3/32'' and CB0781F 5/64''
    I have done some 3/16'' bolsters but most of mine are 1/8''
    Run your Dremel at about 1/2 speed and the bits will last a long time.
     
  8. Timmer377

    Timmer377 New Member

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    thanks very much
     

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