| Listed in parts books | Not catalogued by year yet |
DIE 7/16X18 BSF HSS
A 7/16 x 18 BSF threading die in HSS, for cutting or cleaning up British Standard Fine threads at that size.
This is a 7/16 x 18 BSF threading die, made from HSS (high speed steel). It's a tool for cutting or cleaning up British Standard Fine threads at that size, not a motorcycle part itself, but the kind of thing that lives in the tray next to a British bike toolkit for chasing threads on old fasteners.
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We don't have much more on file for this one beyond the basic spec. If you're working on pre-unit or unit Triumph fasteners in BSF sizes, a die like this is handy to have around, but call the shop if you want to confirm it's the exact tool for your job before you order.
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