[TR] Help deciphering Standard Triumph hardware catalog vs. Triumph Spare Parts Catalog

[wbeech]

Dave,

This is the same bolt listed for the driveshaft connection on my TR3A.  You
can get the correct bolt from TRF @$1.98ea.  The bolt carries a Triumph part
number because it is especially made for this application, the shoulder is
long enough to cover the 'shear' area of your connection.  If you were to
use a high-grade Hex-cap threaded bolt, with the treads going all the way to
the cap,  the threads would eventually cut into the flanges and ruin it.

These words of wisdom are passed along from Randall who set me on the right
course last month when I was about to go buy some Grade 7 bolts locally.

Bill B
'58 TR-3A TS/30766 L
'59 TR-3A TS/64974 LO
"A Triumph is man's best friend, it always comes when it is called...of
course, some times it is difficult to make it go"



-----Original Message-----
From: triumphs-bounces+wbeech=flash.net at autox.team.net
[mailto:triumphs-bounces+wbeech=flash.net at autox.team.net] On Behalf Of Dave
Connitt
Sent: Sunday, August 31, 2008 6:17 PM
To: Triumphs
Subject: [TR] Help deciphering Standard Triumph hardware catalog vs. Triumph
Spare Parts Catalog

Hi,
I hope someone can help me out here. I am finally getting to completion of
my TR4A IRS chassis rebuild. That isn't my question..
Anyway, I have decided to replace the bolts that connect my half shafts to
the diff and also the bolts that connect the drive shaft to the end of the
transmission. I can't find the bag of parts so I am going by the Spare Parts
Catalog which states the bolt is a 107960 with a TN3209 Nyloc nut. Switching
to my Standard Triumph Hardware catalog the nut is a 3/8 UNF nyloc nut. The
screw is not in the catalog as a 107960. Looking in the hex bolt section,
there is a 3/8 x 1-1/4 Hex UNF bolt that is a HB0960. I am guessing that is
what I want. There are no hex bolts starting with "107".
Can someone please confirm this for me? I want to send an order off to
McMaster-Carr.

Thanks,
Dave Connitt
'67 Tr4A
http://home.fuse.net/davestr4a
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