M5 allen (socket) black head bolt x 20mm long
- Manufacturer: Various
- Product ID: Various
These are much better in black than zinc or stainless as they are used for the mounting system,
Supplier Links
https://www.ebay.co.uk/itm/221872591770
Indicative Pricing With Allowance for P&P
A pack of 5 is all you really need as these are only used in the rig system.
£0.30
Substitutions
None