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"Paul Clay" wrote in message ... What's the best way/tool to cut or drill holes 1/8 inch to 5/16 inch in diameter in thin gauge aluminum (for inserting potentiometers and phono, power jacks, etc.)? I've tried using just a power drill and genernal purpose drill bits and the results have been sort of ragged (the edges of the hole are ragged and the process of drilling creates a depression surrounding the drilled hole). Buy a good set of Greenlee punches - they'll cost a bundle but there's no other good way to do it. What's a good technique for labeling front panel controls on a piece of homebrew gear? Are there self adhesive labels or decals that stick/wear really well? Go to a trophy shop and buy engraved phenolic plaque labels. They'll cost ya about $2 each but look GOOD. JOE |
#2
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What's the best way/tool to cut or drill holes 1/8 inch to 5/16 inch in
diameter in thin gauge aluminum (for inserting potentiometers and phono, power jacks, etc.)? I've tried using just a power drill and genernal purpose drill bits and the results have been sort of ragged (the edges of the hole are ragged and the process of drilling creates a depression surrounding the drilled hole). Buy a good set of Greenlee punches - they'll cost a bundle but there's no other good way to do it. I don't think I have ever seen a Greenlee punch for a hole that is only 1/8 of an inch in diameter. Most of the holes for the bolts I have seen are much bigger than that. To drill small holes you can get or grind your own bits. They will have a point on them and be something like the spade wood bits. Also take a piece of scrap wood and put behind the aluminum. |
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