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
099.2 – wheel with break, M6 thread
080.1 – “Addi” board ~390x390mm
142.3 – Board 330x330mm, ⌀6mm holes
122.1 – board ~360x150mm
125.1 – Foam big 400x400x50mm
124.3 – Pocket small 400x200x100mm
004.1 – Washer disk ⌀ 40mm
006.1 – Wire 500 mm long, 2mm thick
080.2 – Board ~390x390mm
147.1 – Board 690x330x16mm
102.1 – Board 300x300mm
095.3 – 120mm rod with M6 insert threads, ⌀ ~30mm, “elephant rod”
Pl⚲y (ノ✿◠‿◠)ノ .-‘ °
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