[sdiy] WTB... MKS-7 white / black rack ears

Andre Majorel aym-htnys at teaser.fr
Mon Jul 6 20:36:22 CEST 2009


On 2009-06-26 15:46 -0400, Todd Sines wrote:

> dimensions, please. I hate drilling this stuff by hand but I
> might have no other option.

According to Simon Gatrall quoting EIA-STD-310-D, the horizontal
space between the rails is supposed to be at least 450 mm and the
screw holes are supposed to be on 465+/-1.6 mm centres.

Suppose the MKS-7 is W mm wide. Ideally, the ears would be exactly
(482.6 - W) / 2 mm wide. The maximum width is (482.6 - W) / 2 mm
or more, depending on the construction of your 19" rack. The
minimum width would be around (466.6 + D) / 2 mm where D is the
diameter of the head of the screws.

Elongated holes are not easy to make. The easiest is probably to
drill a 6.5 mm or 1/4" round hole and "open" it with a saw. Like
this :

  http://www.bhphotovideo.com/images/images345x345/630198.jpg

There should be 463.4 mm or less between hole centres.

-- 
André Majorel <URL:http://www.teaser.fr/~amajorel/>


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