Wiardgroup

Sam Ecoff wrote:
> Hi TD,
> 
> You want #4-40 self tapping screws. I believe that Grant supplies  
> 1/4" long screws, but I prefer 3/8" myself. Either one works just fine.

I don't mean to be a git, but that sounds like the Frac screw description,
not the 300 series, which is I think what was being asked about (by the
reference to a rack frame, not a Frac rack).  I don't have the answer for
the 300 series, though, sorry.

Paul