| Diagram | Fig. 11 — FRAME · ref 18 |
| Listed in parts books | 1969–1970 |
Norton HEX BOLT 1/4BSF 5/8 UH
A 1/4 BSF hex bolt, 5/8 in. under-head length.
This is a hex bolt, 1/4 BSF thread, with an under-head length of 5/8 inch. That's the whole of what our records show for this one, so we're passing along what the catalog line tells us rather than guessing at where it's used.
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BSF (British Standard Fine) hardware like this turns up all through pre-unit and older British machines, so it's plausible this one lives on a variety of spots on the bike, but we don't have a figure title or fitment note tying it to a specific assembly. If you know which bracket or cover it came off of, that'll help more than anything we can tell you from the part number alone.
Give the shop a call and we can help confirm fitment before you order, especially if you're trying to match an original bolt you've got in hand.
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