There are actually four standards:

[image: image.png]

Even better, the *two* active standards (IEC_60927-3-100 and IEA/ECA-310)
each have a preferred thread sizes.   The IEC standard prefers M6x1, and
the IEA/ECA standard prefers M5.

I'm assuming that you're talking about either a M5 or a M6 screw, not a
non-metric 10-32 or 12-24.



On Tue, Jan 28, 2020 at 8:53 AM Mark Radabaugh <m...@amplex.net> wrote:

> Not a big concern for us.   If you get rid of the handles please leave a
> tapped hole in the center of the 1U bracket that matches the common rack
> screw (there are two standards - pick one) to use as a jack screw if the
> unit is being stubborn coming out of the rack.
>
> Mark
>
> On Jan 28, 2020, at 9:13 AM, Ken Hohhof <af...@kwisp.com> wrote:
>
> I can live without handles.
>
> Not really a big deal unless it’s a super long, heavy server, and those
> typically go in 4 post racks or cabinets anyway with rear access.
>
> *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *Jason Wilson
> *Sent:* Tuesday, January 28, 2020 1:24 AM
> *To:* AnimalFarm Microwave Users Group <af@af.afmug.com>
> *Subject:* Re: [AFMUG] RackMount Devices - Handles or No Handles
>
> Make keyholes for handles?  If you happen to need them slide them on.
> Removeable. Keep 1 set in the go bag.
>
> On Mon, Jan 27, 2020 at 10:09 PM Forrest Christian (List Account) <
> li...@packetflux.com> wrote:
>
> I'm wondering if anyone has strong opinions about handles on
> rackmount devices.
>
> I'm in the process of switching the enclosure manufacturer on the
> RackInjector and in the process making some design changes that should make
> things better for both us and our customers.  I don't want to share too
> much just in case this doesn't work out - and no, this isn't a change to
> hot-swappable cards.
>
> With the design we're working on, the handles we have on the front of the
> existing enclosure aren't very easy to implement in the new design.   So
> I'm thinking about just dropping them to save the hassle/pain/shipping
> issues/cost/etc/etc/etc.
>
> My personal experience has been that although handles on enclosures are
> nice when removing a device from a rack, they are by no means necessary.
>  On occasion, I've also had handles become a liability instead of a help.
>  But on the other hand, when a device gets stuck in a rack (typically due
> to neighboring devices), it is nice to have them to add leverage when
> removing the enclosure.
>
> I'm wondering what everyone else's thoughts on this are...
>
> --
> - Forrest
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>


-- 
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