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    Masking parts for vibratory tumbling.

    I'm rebuilding a ratchet wrench right now, and I want to get an even surface finish before applying a phosphate conversion coating ('Parkerizing'). I don't have sandblasting equipment so, I;'m using a vibratory tumbler, but I don't want grit to get caught in the ball detent. In the past, I've...
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    How much rust is to be expected in an air compressor tank?

    I recently got my first air compressor, it was a used 6-gallon pancake Hitachi, made in 2017. After fixing some leaky valves and stuff, it works well. However, when I drained it for the first time, the water was very dark with rust and particulate. After doing some reading online, apparently...
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    Yankee Screwdriver No. 33H chuck/bit holder disassembly.

    I was disassembling/restoring an old Yankee No 33H push screwdriver, and I ended up breaking the chuck. I was able to remove it from the shaft itself (it was just a press fit), but I couldn't get the collar itself apart. I thought it must also be press fit (I didn't see any other way it would go...
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