[TR] How to tell the size of bolt or setscrew from the part number?

[Joel E. Justin]

Easy. That a 3/8" x 1-1/4" UNF hexagon head setscrew. So I gave you the fish, now I'll teach you how to fish...

http://www.memphisbritishcars.org/Images/TechTipsImages/Standard_Triumph_Hardware_Catalog.pdf

Joel Justin...


________________________________
From: Sujit Roy <triumphstag at gmail.com>
Sent: Wednesday, June 17, 2020 9:47 AM
To: Triumphs <triumphs at autox.team.net>
Subject: [TR] How to tell the size of bolt or setscrew from the part number?

I've been trying to figure this out, but am at a loss. Please help

I have a part number in my parts book.  I also have the standard Triumph parts list.

HU910

HU is set screw and I'm assuming is fully threaded.
HB on the other hand is a bolt and has a shoulder
I'm assuming the 9 is the bolt diameter.  Am I on the right track?
What is the 1 and 0 and can I tell from it, if it is a NC or NF thread?

I'm aware later Triumph switched the part no. system and that system is more confusing.
Regards, Sujit
--
Sujit Roy
Cupertino, California

https://triumphstagblog.wordpress.com/

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