RE: [CR]US Source of Whitworth Tools


Date: Sat, 02 Jun 2007 22:58:51 -0400
To: <classicrendezvous@bikelist.org>
From: John Betmanis <johnb@oxford.net>
Subject: RE: [CR]US Source of Whitworth Tools
In-Reply-To: <021201c7a57f$6c84f170$6601a8c0@ASI.local>
References: <496478.13190.qm@web32003.mail.mud.yahoo.com>


At 09:35 PM 02/06/2007 -0400, Phil Whirley wrote:
>I bought a set of Whitworth tools from Snap-on years ago when I was
>attempting to restore a Bentley (automobile). If memory serves, they
>were
>call "British Standard" sizing. You might try this link:
>
>http://buy1.snapon.com/catalog/item.asp?P65=&tool=all&item_ID=5336&
>group_ID=
>567&store=snapon-store&dir=catalog

Here's the link not wrapped: http://tinyurl.com/ysafnl

I believe Whitworth refers to the thread form, which is 55° instead of the more common 60°. Also, British wrenches (sorry, spanners) were described b y the body diameter of the bolt, not the measurement across the flats of the hex head, like SAE and Metric.

John Betmanis
Woodstock, Ontario
Canada