Part info
- What: ringbolt
- Material: stiff
- Measures: M4, 10mm thread
- Hole: 6,3mm

Tolerance
- Size: Thickness set to M4 (4mm), length is standard tolerance (+/- 15mm)
- Material: Standard tolerance
Get the part
- Buy: Readily available in stores, search for: “M4 ring bolt 10mm” (german: Ösenschraube)
- Make: No instructions
Introduced by
- Designer: Lars Zimmermann; via MF Backpack
- initial post, initial post backup.pdf
- Open: This part was bought off the shelf. It is probably prior art. For high volume commercial use though check the legal status though (and let us know please)
Download Portal
Most parts have open design and manufacturing files you can download and work with.

More Parts
054.1 – Bendable “lid” 330x270mm
068.1 – ° M4 ring bolt 10mm
075.1 – “Addi rail” 420mm
140.2 – Board 450x330mm, ⌀6mm holes
030.2 – M6 bolt 15mm
081.2 – Board ~210x390mm
140.3 – Board 450x330mm, ⌀6mm holes
129.4 – Rod, M6 insert threads, 300mm, ⌀ ~50mm
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