Countersink Tool Made from Surplus Junk

 

 

chuck and countersink 016

 

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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Scotchbrite Wheel Adapter for my Grinder

scotchbrite wheel adapter 010

 

There are a number of parts that I make that just don’t get the kind of finish I’m looking for out of a belt grinder, and hand de-burring is way to time consuming for my taste. I had been looking at Scotchbrite wheels for a while, but couldn’t find any arbors that would mate the wheels to any of my grinders. My guess is that the adapters are only available from Scotchbrite, and I wasn’t going there (the wheels are pricey enough). my best alternative is to make one.

 

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Jet Belt Grinder Modification

belt grinder III 006

 

I’m a habitual Craigslist troller, and when I found this Jet “bench grinder” for $100 I snatched it up. It was a 3450 RPM 1 HP deal, with a 4X48″ belt sander on one side, and a 8″ grinding wheel on the other. I had a 2X48″ Kalamazoo (partial) belt grinder that I wanted to adapt to the wheel side, so that I could have multiple grit capabilities on the same machine. Belt grinders are about as handy as it gets for fabrication, and this seemed to a good way to go.

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