Trying to fix a small electric heater held together with security
The screws have a recessed triangle in the center; sort of like a
square drive screw, but it's a triangle.
Do these screws have a name?
I had to get into these once and I just ground an old screwdriver down until it
It would be easier to keep the triangle "equilateral" if you started with the
right sized allen. Just knock off every other point.
You can remove them with a left-handed drill bit and a variable speed
reversible drill. Replace with normal sheet metal screws, or put them
back using a normal drill bit.
You can buy a left-handed drill bit at your local full-service hardware
These security screws may have a name, but in any case are usually
obtained as part of kits of security screw bits.
Having said that I've had a look at my various security screw kits,
which I've bought as I've seen them, and I don't seem to have
anything like that. New to me, at least!
On Fri, 15 Oct 2004 00:23:07 GMT, "John‰]
(To get email address ROT 13)
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