| Diagram | Fig. 13 — SWINGING ARM · ref 12 |
| Subsystem | suspension rear |
| Listed in parts books | 1969–1970 |
Norton Bolt, tie bracket to exhaust pipe (1/4" British Standard Cycle x 3/8")
A 1/4 inch BSC x 3/8 inch bolt used to fasten the exhaust pipe tie bracket on Norton machines.
This is a small bolt used to secure the exhaust pipe tie bracket, sized 1/4 inch British Standard Cycle by 3/8 inch. The catalog places it across a few figures - swinging arm, frame, and cylinder barrel/exhaust pipes/valves - which tells you it's a fastener that shows up in more than one assembly area rather than a single dedicated bracket bolt.
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Given the manufacturer note and figure context, this is a Norton part, not a Triumph piece, so don't confuse it with a Triumph exhaust bracket bolt of similar dimensions. The catalog record spans 1969-1970 appearances, but we don't have a specific model tied to it beyond that.
If you're replacing tie bracket hardware, it's worth having a few of these on hand since bolts like this tend to get buggered up or go missing over the years. Check your own bracket and pipe before ordering to make sure the thread and length match what's on the bike.
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