Testing generic ebay stepped cone drills on plastic.
bigclivedotcom 2:39
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I decided I needed a new cone drill and saw some very common sets on ebay in either metric or imperial sizes. I bought a set and tested them on a plastic enclosure to drill a selection of holes for cable glands.
I have to say that for plastic they work very well and provide good clean holes. I've not tested them on wood or metal, since I'm more likely to keep these exclusively for drilling plastic cases.
I have to say that for plastic they work very well and provide good clean holes. I've not tested them on wood or metal, since I'm more likely to keep these exclusively for drilling plastic cases.
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