1. #1
    Hello all,

    I want to try to sharpen my carbide tools and I was looking on ebay for the Chinese resin bond diamond grinding wheels. But there are a lot of grit sizes from 150 up to 3000. Now I'm not sure what grit should I get and try first. Maybe I could start with two or three different grit wheels.

    Anyone of you has any experience with these Chinese grinding wheels? And point me what grit should I start with?

    I want to try first to sharpen some woodworking router bits and a saw blade.

    Any information will be greatly appreciated.

    Last edited by paulus.v; 23-02-2016 at 11:05 AM.

  2. #2
    Not done endmill but this is how I do my carbide scraper blades:

    Start with the 150 to get the shape, go to 300 to refine and then lap using diamond past on an aluminium wheel.

    You will be taking very little of the actual carbide off so it may not be suitable if you have chipped or broken bits.
    Stocking more goodies than just Smoothsteppers

  3. #3
    thanks komatias!

    then I will start with grit 150 and 400 wheels. Probably more than 400 will make no difference on my cheap carbide bits...

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