charles.wimmer.net
@charles.wimmer.net
I kept picking button-head screws for the low profile and then stripped two in a row. So I wrote up how I choose SHCS or BHCS.

SHCS: more torque, deeper hex, better for repeat service.
BHCS: low height, smoother edges, fine when loads are light.

Full notes: the-playground.net/Fabrication+...
October 19, 2025 at 4:55 PM
I needed a shelf that sits inside 2020 extrusion. Solution: the-playground.net/Projects/202...
October 15, 2025 at 2:23 AM