Sunday, January 2, 2011

DIY 3.5" to 5.25" Hard Drive Adapter


Hard drive adapter brackets are so expensive, I decided to make some myself. I now have a dozen adapters for the price of one pair on newegg.

These are made out of 3/4" aluminum channel. Available from ye olde neighborhood big box hardware shoppe. Trim to 3-5/8" long.

The threaded holes that attach to the case are 1/8". They could probably be smaller if you have a tap & die set to thread the holes.

The pass through holes for the hard drive are 3/16".

The mounting pattern is:

3-1/16" on center for the case side of the bracket
2-5/16" on center for the hard drive side of the bracket.

These measurements may be more exact in metric, but the longest metric measuring device I have is a SwissCard.

Tip A: It's handy to have a drill press.
Tip B: I drilled the hard drive side holes through both sides so a screwdriver can be inserted all the way through for easy mounting.
Sub Tip B: Drill the important side first, then allow the bit to go through the less critical side.

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