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Posted by nick hull on September 27, 2007, 1:21 pm
wolftever2003@yahoo.com wrote:
> I'm using a Hilti drill to drill holes into concrete ceilings.
> Drilling overhead with a heavy drill and big bit is making it
> difficult to keep the hole straight. The Hilti is more than up to the
> job ... the problem is when you're applying upward force, the natural
> tendency is to pull the drill toward you or away from you, which makes
> for a slanted or "crooked" hole. Any tips on how to keep the drill
> straight so as to achieve the straightest possible hole?
Try hanging one or two 'plumb bobs' near the drill, stick them to the
concrete with bubble gum and use the string as guides ;)
Free men own guns - www(dot)geocities(dot)com/CapitolHill/5357/
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