On Thu, Oct 13, 2016 at 4:12 PM, jim stephens <[email protected]> wrote: > If these are the connectors that can have keys inserted between every > connector, the small difference would be significant as those would not > align between a metric connector and an English (inch) board. The > electrical connections would line up w/o any keying as you say.
Assuming you use the center as your reference point, on the maximum width (86-pin) connector, nothing is going to be off by more than 5.25 mils. That's not enough to cause a problem with keying.
