All I said was;
Quote:
Originally Posted by rustexpert
In ten years heavy boiler work I have never used a drilling pillar; I have watched others wasting their time wrestling with them and getting fair to poor results; but get the job done eventually. Air drills not really that good for drilling; in the same way that ratchet drills before them weren't either but I can manage the big air drills free hand if I need to (but more for bridge reaming or c/sinking than drilling) and the medium ones are useless as they (or at least the ones we have) spin too fast for even a 1/2inch drill which an decent electric pistol drill will handle anyway.
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I must have got it wrong; even though the list of my rivet/stay/washout etc. hole generating exploits and excesses is long and very boring. Ha Ha!
4th March 2015, 09:39 PM
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