drilling

  1. frankvw

    Best way to drill larger holes in steel

    I need to drill a 14mm hole in a piece of 1" flat bar (3mm thick). I have a pillar drill. In my experience it's best to start with a small hole and then re-drill it several times with progressively larger drill bits. If I just put a 14mm drill bit on it, it will just sit there and do very...
  3. T

    Drilling and electricals

    Hey guys I'm planning to put up a bunch of shelves with L-brackets but am scared of hitting any electrical wiring in the drilling process. The plugs are only about 2cm long each. I know very little of how electrical wiring gets laid during construction but was hoping at least the top 2cm of...
  4. G

    Mission to reach the Earth's mantle

    http://edition.cnn.com/2012/10/01/tech/mantle-earth-drill-mission/index.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+rss%2Fcnn_latest+%28RSS%3A+Most+Recent%29
  5. Lycanthrope

    Gautrain Drilling/Oxford Road Cordoned Off

    Source: IOL Eep... Hope that it gets sorted soon... Edit: More info and pictures: http://www.thetimes.co.za/News/Article.aspx?id=798492
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