On Mar 21, 11:55*am, Andrew May wrote:
Need to disassemble a motor (see cooling fan thread) which is held
together by four long machine screws with a head that I have never seen
before. Imagine a slotted machine screw but with a 'slot' that is raised
rather than sunken. Anyone come across this before? Does it have a name?
Andrew
Maplins usually sell them:
http://www.maplin.co.uk/ratchet-and-...c=so&u=strat15
but also search for security screwdrivers on eBay.
rusty