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
044.1 – M4 wing nut
129.1 – Rod, M6 insert threads, 30mm, ⌀ ~50mm
116.1 – Magnet ring ø ~ 9 mm, ø i. 6 mm
101.2 – Bead ⌀ ~16mm, ⌀ 6mm hole
115.3 – 2 corner bracket modified Round +
146.1 – Key ring ⌀ 38mm
048.2 – Tube 60mm ⌀152mm
068.1 – ° M4 ring bolt 10mm
118.1 – Board ~360x150x18mm
129.3 – Rod, M6 insert threads, 120mm, ⌀ ~50mm
019.1 – M4 nut
082.5 – M6 bolt 130mm
Pl⚲y (ノ✿◠‿◠)ノ .-‘ °
Do you have any new ideas on how to re-use these parts? Share it.
