Countersink Tool Made from Surplus Junk

 

 

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I was working on a drill chuck for my mill, and I ran across a Jacobs 3/8″ keyless chuck that I pulled off a power drill that leaked it’s Magic Smoke. The chuck was the only thing salvageable from the drill, and I tossed it in the chuck drawer for a future project.

 

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Changing an Arbor on a Jacobs Drill Chuck

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Anyone who owns old machines probably scours Ebay for orphaned tooling for their pride and joy. One of the benefits/curses of that pastime is that you tend to accumulate broken/wore out tooling. Some of the broken drill chucks I have acquired over the years are starting to look pretty good to me considering some of the prices I’m seeing online, these days. Last year I bought an Llambrich drill chuck (made in Spain by Jacobs Chucks) at the CAMS Yard Sale with an R8 arbor that worked real nice (initially, anyway). The last time I used it there seemed to be an awful lot of runout, and I put it aside for future investigation. Today I decided to take a look at it……………..

 

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