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

[Keith Stewart]

Take a look at:

http://trf.zeni.net/TR4-GB/207.php

HU910 is a UNF 3/8” diameter set screw, 1 ¼” in length.

 

 

Keith Stewart

keithstewart at bell.net

 

 

 

From: Sujit Roy <triumphstag at gmail.com> 
Sent: June 17, 2020 12:47 PM
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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