[ARC5] Military bolts

[Robert Rode]

all this courtesy of W9ESX/Chicago.....duh !

On Wed, Nov 19, 2014 at 8:52 AM, Robert Rode <midnitetoaker58 at gmail.com>
wrote:

> used to work part-time job in a Triumph motorcycle shop,.had to buy
> complete set of tools for that,..called "Whitworth" system..British  system
> called wrench sizes by  hex head size instead of thread size like S.A,E.
> ...then small screws were called "king James" system,..thats all info you
> get for free !!!   see ya
>
> On Wed, Nov 19, 2014 at 8:45 AM, Robert Rode <midnitetoaker58 at gmail.com>
> wrote:
>
>> now British use metric system,...
>>
>> On Wed, Nov 19, 2014 at 8:43 AM, Robert Rode <midnitetoaker58 at gmail.com>
>> wrote:
>>
>>> Floyd, just FYI,...british bolts, altho they used same thread pitch as
>>> us, use 55 degree angle on threads, we use 60 degree angle,..I learned this
>>> with my British Triumph Motorcycle long ago,. bolts wud shake loose on me
>>> often,..this turned out to be a problem I wasnt aware of, when I worked for
>>> International Harvester,.. old timer told me many contracted parts for  war
>>> effort British equipment had BIG problems with this, and were shipped befor
>>> any one knew,..I saw one of those mini tanks in the hanger long time ago
>>> befor I was grounded for blood pressure,..another story,..see ya,
>>> Robert/Chicago..
>>>
>>
>>
>