Basic Info
- What is it: M4 Ringbolt ~40mm
- Material: strong
- Dimensions: ~40mm long, hole in ring at least ⌀ 4mm



Tolerance
- Size: standard tolerance
- Material: standard tolerance
Get the part
- Buy: available as local make plus readily available in stores, search for “M4 ringbolt 40mm”
- Make: no instructions available
Meta
- Introduced by: Lars Zimmermann via Climate Change Survival Fortune Angels
- Original post, original post backup.pdf
- Open: Off the shelf part. Most likely prior art, unless you get a very special version.
- Disclaimer
Download Portal
Most parts have open design and manufacturing files you can download and work with.
0P3N Portal
More Parts
050.2 – Board ~780x300x16mm
076.2 – Rail 600mm
098.1 – VITO box
101.1 – Bead ⌀ ~16mm, ⌀ 4mm hole
079.1 – Beam 270mm
076.3 – Rail 600mm
094.3 – M6 threaded rod 100mm
051.1 – Saddle washer for KG pipes, ⌀30mm
132.1 – Foam roll ~300mm ⌀ ~65mm
011.1 – Flexible ball ⌀ 200-250mm
094.4 – M6 threaded rod 30mm
126.1 – “Flap” board ~420x80x18mm
Pl⚲y (ノ✿◠‿◠)ノ .-‘ °
Do you have any new ideas on how to re-use these parts? Share it.
