Screw sets?

[KrInEn]

Alright here is the deal. I got a psp that was missing a bunch of screws. I have seen these sets on the internet for 4.99 to 10.99 plus shipping. Now to me that seems like a lot of money for screws that can be purchased for the amount of change that is currently under my couch cushion. I was wondering if anyone here know the thread count and size of the screws. Any input would be great! Also would probably help a ton of people

[SN!P3R]

i think the black housing screws are 38 tpi, 1/8 in diameter. hey i just did a quick calucation, so correct me if im wrong.
 and i did use a micrometer!