I just got
THIS resevoir from FrozenCPU.com and I need to put larger hose barbs on it. The plastic is 1/4" in diameter and about 2 3/8" OD. What I would really like to do is
enlarge the bottom hole in the picture and then drill a new hole directly across from it. Ideally I would then thread the holes to accept 1/2" NPT threads. If that is too difficult then I will just glue in two pieces of copper tubing that are large enough for 3/4" ID tubing.
I've got a small drill press that is currently set up for metal(ie low rpm), and a decent Vee block that I can clamp everything down into. My questions are:
If I want to thread these holes to accept 1/2" NPT, what initial size should I bore the holes?
I've never drilled into plastic this thick before, not to mention cyclindrical. Is there anything I should be doing differently? Special drill bits, techiques, etc?
Thanks.
