I need some bolts, machine screws that can be undone with a coin. I immediately thought of Dzus fastners but they won't work in this instance. Does anyone know what there officially called or where I can get some????

Used on high end video tripod plates usualy 1/4 inch short
Camera shop may have them, Vinten tripods, Manfrotto tripods, Jessops, Calumet.

Or find some short machine screws and file out the slot

http://www.elise-shop.com/floormat-fixing-kit-elise-s1s2340rexige-s1-p-24.html

cheese head screws?

the slot may need filed out a bit though depending on choice of coin

Dexion rack screws?

quote:

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Originally posted by mark chandler
Dexion rack screws?

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For what application ?

Land Rover Defender floor screws are a coarse threaded (for use with spire clips) and have a shallow domed
head with a big slot. They are also available in stainless.

Tried all of the above solutions but their not really feasable. The best I have found is a cheese head slotted machine screw with the slot widened file a needle file or grinding disc. Not a very professional solution given the task which . The application is a for a set of trophy plinths that I have designed for work. The fixings will form part of the trophy securing device.

Milling machine would make a neat job compared to a file or angry grinder.

have you googled din921