Reply To: NANO LATHE

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david pierce
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For really small holes a drill press was made by a company called NATIONAL JET. The machine was able to drill holes in the 1/10,000 range without breaking the drill bits. To maintain the precision necessary, conventional bushings and bearings were unsuitable. Instead, the drill bit was held in a tungston carbide arbor riding in diamond v-blocks. NATIONAL JET is still in business but the drill press is not longer pictured on their website. You can find pictures of this machine on the internet if you look for them.

david pierceReply To: NANO LATHE