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Posted in response to Re: drilling jasper? from Bob Keller on December 11, 2007 at 10:57:17:

Re: Re: drilling jasper?

Yes, I did use water. Things went fine initially but quickly slowed and the diamond was gone by before going through .... I had bought 6 cores from Rio Grande .... did not take long to wear them down to just metal .... maybe I was being too impatient in expecting it should drill easily as it did for the first 1/16 inch?

Dennis

From Dennis Durgin - December 11, 2007 at 11:39:12

Message: 65685

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Bob Keller