I want to drill holes in Zirconia toughened Alumina ceramics. Can anyone recommend a commercial grade drill bit that can do the job effectively?

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Duraid Al-Bayati

Dear Avinash,

Have you ever tried Impregnated Diamond Bit! It might suite your needs.

Avinash Balakrishnan

Yes tried both electroplated and metal bond systems but not able to drill efficiently.

Jürgen Weippert

Well, you toughened a ceramic which is already hard to drill as untoughened material, so this is not a big surprise.

But maybe this here is helpful:

Article Precise Drilling of Holes in Alumina Ceramic (Al2O3) by Rota...

Nathaniel Ehimen

Hello.

This might be useful.

https://www.coorstek.com/en/products/silicon-carbide-pdc-bit-displacers/