There's also some liquid chemical that solidifies just enough for you to insert the tool and form a bond around the screw - I have it but haven't tried it. Best George --- Donn Haven Lathrop <[EMAIL PROTECTED]> wrote: > >>To summarise, the top of the centre screw is > TOTALLY worn out and I > cannot get ANY tool to grip and turn. It's basically > a circular hole > in the screw.<< > > I'm not thinking... > > Most small engine repair shops have left-hand fluted > drills--I used to, > but sold 'em when I sold the shop. > > The idea is that you use a variable speed drill set > to run "backwards", > press the drill into the recess in the head of the > screw, and slowly > press the drill trigger. The screw will usually > back out. > > They can also be used in a pin vise (hand-held drill > holder), but the > drill is easier to use--more torque and what-all. >
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