Computer Screwdrivers

I was trying to fit a computer into a case, an Antec NSK4480. First, motherboard: brass standoffs which were #6-32 threaded spigots go into the case. The threaded holes inside the supplied standoffs are M3. My m/b, an (mATX) MS-6577 v2.1, has only 6 holes (I assume the one unique standoff with no female thread, just small rounded dome, is for m/bs with no hole but a special conducting area on the back of the m/b; I didn't use it).

Now the M3 screws for mounting the m/b (I assume that's one the purposes for which they are supplied) are a crosshead type (as are the supplied #6-32 s). Phillips screwdrivers come with size denominations that go #0, #1 etc, without reference to size either metric or imperial. I needed a magnetic screwdriver (my fingers aren't small enough) to get the screws in place. The question is: So what size screwdriver should I have bought (many crosshead screwdrivers are denoted simply by a metric size e.g., "3mm") ? Preferably it's good for #6-32 as well.

Dumb_Question
17.April.2016

 

First, in terms of standoffs, it is critical to note that cases are designed to support 1000s of different motherboards of various sizes. Because of that, cases tend to have more standoff mounting holes than motherboards have mounting holes. So it is imperative you insert a standoff ONLY where there is a corresponding motherboard mounting hole.

Typically, as far as Phillips screwdrivers, you only need #2 for everything that goes in or attaches to a ATX compliant case.

 

Thank you Digerati. I need a #2 longish magnetic Phillips head #2 for this job then.

Of the screwdrivers that I already have, how would I pick out a #2 ? They are supposed to have the #size stamped on the shaft but none of mine do (cheap tools, I suppose)

Dumb_Question
17.April.2016

 

This might help. Otherwise, maybe buy your magnetic #2 then compare it with what you already have.

I personally am a bit old-school and avoid magnets around computers. So I use a screw-holding screwdriver similar to this.

 

Since the dawn of time (1970's), every system board screw I have seen is a #2 Philips and a screwdriver is easily magnetized if you stroke it with a magnet.

 

Not just system boards, but drive and PSU mounting and expansion card retaining screws too. Even case fan and side panel screws (including most thumbscrews) use a #2 Phillips. The only other tools I've ever needed is a hex driver for the standoffs and side cutters to nip the zip tie ends after tying back cables. But I note my last two cases came with a really neat standoff screwdriver bit like this: