M5x6mm button head screws fell out

CNC Machines Shapeoko 5 Pro
1

SO5 4x4 machine.
I’ve been working on a few large projects. Afterwards I found 2x silver M5x6mm button head screws on the spoil board in the cutting area. Checked the gantry, z axis and every where else that I could think of. Can’t find a place that is missing a fastener. Checked the manual and I could not find this screw spec.

Everything still works and is tight. I don’t want to be the mechanic with spare parts after the job :slight_smile: Best thing that I can figure is that the early SO5 HDZ had some spare screws added without loctite (These DO fit on the top left threaded holes).

Any suggestions?

2

Check your z-axis plate carefully. I had one fall out too. It was on the face of the plate, under the spindle bracket.

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