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Subject Author Date
Robinson bits Tellmeaboutit 02-08-2005
| ---> Re: Robinson bits Edwin Pawlowski02-12-2005
|--> Re: Robinson bits Percival P. Cas...02-08-2005
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Posted by ameijers on February 9, 2005, 3:29 am



>
(snip)
> 4) The spark plugs most widely used in the U.S. have 5/8" or 13/16" hex
heads.
>
I think he was referring to the threads, not the wrench size to put them in.
IIRC, when Henry the First was setting up shop, there were no US spark plug
makers, so he had little choice but to use metric. Since he was the 800
pound gorilla, that is what the industry standardized on. I could be wrong,
of course, but I'm sure someone smarter than me will post the correct story.

aem sends...



AppliancePartsPros.com, Inc.
Posted by Doug Miller on February 9, 2005, 2:59 pm


>
>>
>(snip)
>> 4) The spark plugs most widely used in the U.S. have 5/8" or 13/16" hex
>heads.
>>
>I think he was referring to the threads, not the wrench size to put them in.
>IIRC, when Henry the First was setting up shop, there were no US spark plug
>makers, so he had little choice but to use metric. Since he was the 800
>pound gorilla, that is what the industry standardized on. I could be wrong,
>of course, but I'm sure someone smarter than me will post the correct story.

Who *cares* whether the threads are metric, Imperial, or some bastard size?
It's not like you put anything *else* into the spark plug port in a cylinder
head, where you have to know what the thread diameter and pitch are... buy the
recommended plug for your engine, and that's all you need.

--
Regards,
Doug Miller (alphageek at milmac dot com)

Nobody ever left footprints in the sands of time by sitting on his butt.
And who wants to leave buttprints in the sands of time?


Posted by Waldo on February 8, 2005, 6:27 pm




JerryMouse wrote:

> Noozer wrote:
>
>>
>>>Why is it that tool kits (drill bit sets, screwdriver sets, etc.)
>>>made in the US never include Robinson bits? They are far superior
>>>to Phillips or slot drivers. Just curious.
>>
>>Because a Canadian invented them and the US is too stubborn to let
>>them in!
>>
>
>
> That's not it. Robertson bits/screws are denominated in metric. We use
> Imperial measures. Except for spark plugs, of course.
>
>
Not true. Robertson screws have been used in Canada for well
over sixty years. Apparently Henry Ford was interested in
them for his assembly line but wanted full and exclusive
ownership of the design. Robertson, the inventor, would not
go for that and as a consequence Ford declined to use them.
Then along came the Phillips design and it became the
American sweetheart because it was invented by an American
and was somewhat superior to the common slotted screw.


Posted by PhotoMan on February 9, 2005, 11:39 pm




> Not true. Robertson screws have been used in Canada for well
> over sixty years. Apparently Henry Ford was interested in
> them for his assembly line but wanted full and exclusive
> ownership of the design. Robertson, the inventor, would not
> go for that and as a consequence Ford declined to use them.
> Then along came the Phillips design and it became the
> American sweetheart because it was invented by an American
> and was somewhat superior to the common slotted screw.

Somewhat? Ever try to start a slotted head wood screw without a pilot hole?
With a power driver? With one hand? Every slotted head screw I come across
is scrapped. I don't have ONE to my name.




Posted by Waldo on February 10, 2005, 2:55 am




PhotoMan wrote:

>
>
>>Not true. Robertson screws have been used in Canada for well
>>over sixty years. Apparently Henry Ford was interested in
>>them for his assembly line but wanted full and exclusive
>>ownership of the design. Robertson, the inventor, would not
>>go for that and as a consequence Ford declined to use them.
>>Then along came the Phillips design and it became the
>>American sweetheart because it was invented by an American
>>and was somewhat superior to the common slotted screw.
>
>
> Somewhat? Ever try to start a slotted head wood screw without a pilot hole?
> With a power driver? With one hand? Every slotted head screw I come across
> is scrapped. I don't have ONE to my name.
>
>
Yup! And the Robertson is superior to the Phillips probably
as much as the Phillips is to the slotted, IMHO. That's why
anything I buy that includes Phillips head screws for
assembly has them replaced with Robertsons. I can probably
make you a good deal if your interested in buying a coffee
can full of assorted Phillips head screws. ;)




Page 7 of 9       < 1 2 3 > last >>
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