Gimme sum of those allan key screws lar.      I cant find them here lar. I thought of using those colored aluminum allan screws like for the car number plates but they're too big for this window mounting. I needed sumthin small n compact.

As u can c in the pix, the clearance for the screws were extremely tight. I had to fit the screws inside a space of 1cm. Coz the window had to b big to fit the 120mm fan n also there's a metal thingy under the window thats 1cm away from the edge.  I spent like 1.5 hours just measuring, measuring, measuring n checking over n over again to make sure the dimensions were right coz of the tight measurements.

Can belif it, I live 5 minutes away from 2 huge commercial Hardware stores like Ace n Home DIY n yet I cant find nicer screws.
Will hafta go look for those bling bling screws soon for other projects.   
Hehehe.  I enjoyed every minute of it. It's extremely satisfying, working on a superb case with superb built quality n materials like the Ah Lian.