David,
I was commenting on the assumed application of an American definition
applying to a British product, not on the actual thread size. Big
assumption to make since we know well that the languages are not the same,
you should not conclude that an American definition necessarily applies.
That said, I agree with the definition other than the bit that says that
screws are generaly smaller. When I lived in Somerset there was an old Cider
press in a barn on the farm where I lived. It had a screw (and that is what
it was called) carved from a single piece of wood which was about 10 inches
in diameter and had a pitch of about 0.3 tpi!
Guy
;-)
-----Original Message-----
From: dlancer7676@comcast.net [mailto:dlancer7676@comcast.net]
Sent: 13 June 2008 17:18
To: Guy Weller; 'David Lieb'; 'Spridget List'
Subject: Re: [Spridgets] oil pan bolt size*
Nope, not irrelevant since we are looking at the definition of a "screw" vs.
a "bolt". This is one definition, among several, that defines a bolt as
having a "nut". We are not talking about the thread size. 8^)
--David C.
WOULD A FLY WITHOUT WINGS BE CALLED A WALK?
-------------- Original message ----------------------
From: "Guy Weller" <guy.weller@tiscali.co.uk>
> ASME definition is irrelevant as it is a UNC thread. It is British car,
why
> would it have American machine screws (or American bolts) ?
>
> Guy
>
> -----Original Message-----
> From: spridgets-bounces+guy.weller=tiscali.co.uk@autox.team.net
> [mailto:spridgets-bounces+guy.weller=tiscali.co.uk@autox.team.net]On
Behalf
> Of David Lieb
> Sent: 13 June 2008 14:56
> To: Spridget List
> Subject: Re: [Spridgets] oil pan bolt size
>
>
> > "ASME B18.2.1 defines a bolt as 'an externally threaded fastener
designed
> > for insertion through the holes in assembled parts, and is normally
> > intended to be tightened or released by torquing a nut'."
> >
> > So the fastener that holds the pan to the engine would technically be
> > called a screw, although I, too, refer to it as a bolt, since it does
not
> > have a slot, a point, nor is it conical, as a screw (shut up Ed) is to
my
> > way of thinking. But then, again, it has no nut, so it fits the above
> > description of a "screw". 8^)
>
> But what is the ASME definition of a screw? It almost sounds like screw is
> asuperset of bolt.
> You are subscribed as guy.weller@tiscali.co.uk
>
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