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  1. #1

    Jewelry milling bits

    Can someone please point me to a place to buy jewelry milling bits online? European or Asian dealers, because it is quite difficult to buy from Bits&Bits (USA)
    I'm looking for a 10 degree ball ended, tapered spiral bit, 0.1mm on tip.
    Thank You!

  2. #2
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    Re: Jewelry milling bits

    Hi,
    I use small carbide tools for making circuit boards, although not of the description that you want. They tend to be two flute endmills down to 0.2mm, and drills to 0.3mm plus the usual
    selection of larger endmills, 0.5mm, 0.8mm, 1.5mm and various engraving bits. These tools are made by Koycera Tycom, so a good brand. I get them from:

    https://www.ebay.com/str/carbideplus....m47492.l74602

    I been using this company for nine years. I now arrange my own shipping out of the US for cost and convenience as the US international shipping became near impossible once COVID hit. I would expect to
    pay about $4.00USD for say a 0.5mm endmill, or maybe $20USD for five 0.8mm drills for example. The best (special) deal I got was $2.65USD for 0.5mm endmills, I bought 30. Another time they were selling
    Destiny Tools Raptor (really good high end tools) endmills for $10USD each. I leaned on the company and got ten at the same rate....they are normally $25USD each.

    Craig

  3. #3
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    Re: Jewelry milling bits

    Quote Originally Posted by kaspars-jewellery View Post
    Can someone please point me to a place to buy jewelry milling bits online? European or Asian dealers, because it is quite difficult to buy from Bits&Bits (USA)
    I'm looking for a 10 degree ball ended, tapered spiral bit, 0.1mm on tip.
    Thank You!
    They are very easy to make if someone near you has a D-Bit grinder.
    Mactec54

  4. #4

    Re: Jewelry milling bits

    I'm not so sure. I am talking about a similar https://www.ebay.co.uk/itm/254796055249 but with a 0.1mm diameter on the nose. But I cannot find such a small and accurate one. I know they are... i have some, but broken . Therefore I ask for help

  5. #5
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    Re: Jewelry milling bits

    Quote Originally Posted by kaspars-jewellery View Post
    I'm not so sure. I am talking about a similar https://www.ebay.co.uk/itm/254796055249 but with a 0.1mm diameter on the nose. But I cannot find such a small and accurate one. I know they are... i have some, but broken . Therefore I ask for help
    That is why I said to find someone with a D-Bit Grinder this is your best choice, and they can make it for you, this is what most would use, for that type of work you are doing.

    This company will also make whatever you want.
    https://www.harveytool.com/products/...tapered---ball
    Mactec54

  6. #6
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    Re: Jewelry milling bits

    Quote Originally Posted by kaspars-jewellery View Post
    I'm not so sure. I am talking about a similar https://www.ebay.co.uk/itm/254796055249 but with a 0.1mm diameter on the nose. But I cannot find such a small and accurate one. I know they are... i have some, but broken . Therefore I ask for help
    They have many types of D-Bits (Engraving Cutters) and can custom make to whatever you want, go through there catalog if it is not there, they can make it to your specs.

    More from Harvey Tool
    https://www.harveytool.com/catalog-request Download and go to page 313
    Mactec54

  7. #7
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    Post Re: Jewelry milling bits

    Hi,
    I have used Harvey Tools before, they have such a vast range, its incredible. I've bought PCD tools and thread mills from them. Not cheap....but always top notch tools.
    The big problem was with the shipping service that Harvey used to get them to New Zealand, it made already expensive tools (individually) to just over the top, something like $125USD
    for a few tools that would fit in an envelope not counting the cost of the tools.

    I have a better freight service so now I have Harvey tools post to my shipping agent in Portland Oregon....and that saves that cost at least. Still use quite a few of their thread mills.
    I'm sure you can hear me scream when I break one....after all I'm only 14000 kms away and I scream pretty loud!:zzz

    Craig

  8. #8

    Re: Jewelry milling bits

    thanx for ansvers!

  9. #9
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    Re: Jewelry milling bits

    Hi,
    I saw these, don't know how much there are but are the only ones I have seen down in that 0.1mm range.

    https://www.kyocera-unimerco.com/pro...nd-mills/2kmb/

    Craig

  10. #10
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    Re: Jewelry milling bits

    Quote Originally Posted by joeavaerage View Post
    Hi,
    I saw these, don't know how much there are but are the only ones I have seen down in that 0.1mm range.

    https://www.kyocera-unimerco.com/pro...nd-mills/2kmb/

    Craig
    Not what he was looking for he wants Tapered
    Mactec54

  11. #11

    Re: Jewelry milling bits

    Thank you all ! Finally I managed to find a manufacturer in China. Hopefully the issue will be resolved.

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