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| drill bit restor |
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| MadNick:
Very nicely done :) Nick |
| Rob.Wilson:
Nice one Bob :thumbup: Good to see old tools being brought back to life :dremel: Rob |
| DaveH:
Bob, Sure do look good now :thumbup: :clap: :beer: DaveH |
| Fredbare:
I learn something new every time I read this forum, I thought they were made from one piece, thanks for sharing. John |
| Topos:
Being an errant coward with respect to sulfuric acid from a battery I have relied on the great idea that is known on various sites: White Vinegar. I tested it with around a dozen old drills I found in my house and stored out of nostalgia when I moved in 41 years ago. They belonged to the original owner who built the house in 1918 and was a renowned wood carver in the US. I got a plastic pail and submerged them in the vinegar. The next morning all the rust had been displaced. I then washed with baking soda and water after which I oiled them. Having never been successful in sharpening drill bits on my bench grinder I took a chance of ordering Drill-Doctor. Miraculously from my first try, and reluctantly doing what any red blooded male never does freely, I followed their instruction DVD and each antiquated drill was sharpened. I then took a coated metal drill that I had dulled on SS and again success. Returning to the acid, since I used to develop films and prints I have a gallon of Glacial Acetic acid for stop baths. I mix 10cc Glacial TO a liter of water [NOTE: never add the water to the acid if you value your eyes! Acid slowly poured to the liter of water.] to get the rust removing results. |
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