Alternative part detail / Vanquish
Captive nuts (6 mm)
Public compatibility, sourcing and modification information for this alternative part.
Reported compatibility
- Vanquish
- Yes
- Vanquish S
- No
Part numbers
- Original part number
- cannot find any part numbers for these
- Alternative part number
- 316 stainless steel, F2/S23, M6 × 20 mm (reported)
Modification required
What needs to change
bigHead confirms F2/SF2 internally threaded collars for S23 heads and M6 × 20 mm lengths; “S” denotes 316 stainless steel. The exact legacy S90F2/@A@ code remains unconfirmed.
Second research pass, 14 September 2026: bigHead confirms F2/SF2 internally threaded collars for S23 heads and M6 × 20 mm lengths; “S” denotes 316 stainless steel. The exact legacy S90F2/@A@ code remains unconfirmed.
Source: https://bighead.co.uk/the-techub/guides/reverse-weld-collar/
Confirm the original part, vehicle specification and installation requirements before ordering.
Sourcing information
- Manufacturer / supplier
- Bighead Bonding Fasteners Ltd
- Indicative cost
- Not stated
Information review
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Owner fitment reports
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- Detailed installation and modification comments
- The model, year and variant attached to each report
- Supporting fitment photographs when supplied