Pre metric "normal" nut and bolt size

[BMWST?]

13mm is bloody close 14 and 9/16 too big,1/2 too small.Would 17/32 be a common size back in the day.....?13.49mm.Should i just forget it and drill the heads off.They are holding a circular type clothes line together

[Grumph]

Not uncommon to find weird hex sizing on older NZ products. They used whatever they could source.

Either an adjustable spanner or a disc grinder is called for...

[BMWST?]

Not uncommon to find weird hex sizing on older NZ products. They used whatever they could source.

Either an adjustable spanner or a disc grinder is called for...

will give it a day or three with some crc then give it a whirl witht the crescent

[FJRider]

Would 17/32 be a common size back in the day.....?

Yep ...

https://www.amazon.com/Stanley-J5217.../dp/B003W99E6C

You can still buy Imperial sockets in all the sizes new ... at the "usual" places ...

[husaberg]

13mm is bloody close 14 and 9/16 too big,1/2 too small.Would 17/32 be a common size back in the day.....?13.49mm.Should i just forget it and drill the heads off.They are holding a circular type clothes line together

1/4 Whitworth =13.34mm
http://www.baconsdozen.co.uk/tools/c...n%20charts.htm

https://www.trademe.co.nz/building-r...01df05d9ae4cf3

[BMWST?]

Yep ...

https://www.amazon.com/Stanley-J5217.../dp/B003W99E6C

You can still buy Imperial sockets in all the sizes new ... at the "usual" places ...

i am assuming thats not bunning etc,but rather "proper" places?

[FJRider]

i am assuming thats not bunning etc,but rather "proper" places?

They ALL sell them. Check it out yourself ... or look through a few second hand shops. (Op shops)

Most engineering supplies type shops will have them ... no big deal really ...

[Voltaire]

I was reading about Mr Whitworth recently quite interesting.
https://en.wikipedia.org/wiki/Joseph_Whitworth

I personally find metric easier to remember.....fractions...meh.

[Grumph]

I personally find metric easier to remember.....fractions...meh.

Napoleon was a sneaky bastard - he lost but left the metric system behind him.

I grew up thinking in inches etc - then had to change to metric for most things. But I still work to less than a thou tolerance building engines.
No idea what that is in metric...

[sidecar bob]

Napoleon was a sneaky bastard - he lost but left the metric system behind him.

I grew up thinking in inches etc - then had to change to metric for most things. But I still work to less than a thou tolerance building engines.
No idea what that is in metric...

I just remember .040 to the mm, that makes ten thou quarter of a mm & work in or out from there, add & subtract zero's as required.
Works in my head anyway.

[Kickaha]

I personally find metric easier to remember.....fractions...meh.

They taught us that antiquated shit at school, I still use it sometimes or relate the measurements between the two

But I still work to less than a thou tolerance building engines.
No idea what that is in metric...

1 thou = 0.0254 mm

[BMWST?]

They ALL sell them. Check it out yourself ... or look through a few second hand shops. (Op shops)

Most engineering supplies type shops will have them ... no big deal really ...

bunning etc ussually sell only sets...but i will def have a look!

[sidecar bob]

They taught us that antiquated shit at school, I still use it sometimes or relate the measurements between the two



1 thou = 0.0254 mm

Ok, that makes my method out by 0.0004 of a mm

[BMWST?]

yes i remember 1 in= 25.4mm
For some reason the only fuel consumption figures that make sense are miles per imp gallon.L per 100 k is starting to take over there.Peoples heght is still feet and inches to me.

[FJRider]

bunning etc ussually sell only sets...but i will def have a look!

Mitre 10 have some items they sell individually ... They might order it in for you ...

There used to be a firm called Gas and Engineering Supplies (GAS) they changed name (and I can't remember what is the new name) ... they sold such like in the singular ...