Hi all,

I'm going to be using hex standoffs to stack PCBs on top of each
other. These hex standoffs use M3 screws which I have found to use
screws 3 mm in diameter. For drilling holes appropriate for these
screws, I have chosen to use tungsten carbide drill bits. Should I
select a drill bit exactly 3 mm in diameter (such as this one:
http://cgi.ebay.ca/Tungsten-Carbide-Multipurpose-Drill-Bit-3mm-/16043985375=
0?cmd=3DViewItem&pt=3DUK_Home_Garden_PowerTools_SM&hash=3Ditem255af5e2b6#ht=
_673wt_913)
or should I select something slightly larger? The question is: will
the screw slide through if I use a drill bit exactly 3 mm in diameter?
--=20
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