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| I believe I received this Ultrabay screw with one of the many T2x systems I purchased. |
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| The head on this screw sticks slightly above the recess molded into the bottom of the system. |
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| Measured dimensions |
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| I keep a T23 base that's been disassembled handy. Here's a photo showing just how far the M3 x 4mm screw sticks up above the Ultrabay lever. Which is to say, it doesn't. A 4mm long screw is just enough to go through the lever but not hit the Ultrabay slot that normally sits above the lever. |