Hitchcocks Forum

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What constitutes a 'set' of spanners?

Just received a 'bunch' of super slim spanners, and some of the larger sizes are confusing me.


I always thought that the larger end was repeated on the the smaller end of the next spanner size up?


Well, my Superslim BSW/BSF start off like that as shown below (BSW markings)


1/8W - 3/16W

3/16W - 1/4W

1/4W - 5/16W

5/16W - 3/8W

3/8W - 7/16W

7/16W - 1/2W


But then it seems to go out of the window... I do have the continuation (almost)


1/2W - 9/16W

9/16W - 11/16W (fits rear wheel nut)



but there are also some odd ones?



1/2W - 5/8W (I got two 1/2W ends already?)

9/16W - 11/16W (I also got two 9/16W ends already?)



Then there is...

11/16W - 3/4W


Is this how superslims go, or have I got a right mix up?



I was rather expecting to see...



9/16W - 5/8W

5/8W - 11/16W


In there somewhere, but they don't seem to exist?


Is there an engineering reason for these unexpected sizes that don't seem to follow the pattern i.e. 9/16W - 11/16W and 1/2W - 5/8W ?






















Tabellarius de verbis ostensor gaudium

Suggested reading:..................... http://www.sat.dundee.ac.uk/psc/spanner_jaw.html

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Ooh i cocked up



I counted 9/16W - 11/16W twice!

I meant to ask, Have I got a set of spanners, or half a set with some odd ones thrown in?



Thanks Papasmurf, that does help with size comparisons!

What puzzles me is why are 15mm spanners/sockets as rare as rocking horse poo in sets of spanners/sockets.

Side topic: I was Given a Load of AF spanners,,,Some Fit the Enfield Great,some dont Who use's AF alot?.....I tend to fall Foul of the Sin of reaching In to the Tool Box and Feeling for What Fits whilst Holding Part in Other Hand etc.....Any Spanner Set is the One With Every Spanner You Need ;0)

I beg to differ with Craig... ".Any Spanner Set is the "One With Every Spanner You Need"

That is what I would call a toolkit (especially for a bike)



I think a spanner set would be one with every spanner there is, including the ones that you never use!



(Over to the forum...)

Papasmurf, 15mm nuts are rarely found as are 16mm and 18mm (sometimes on Volvo).

Edward I use the 15 mm spanners I have a lot. 15mm nuts are more common than you think, on compression joints.

I inherited my Grandfathers spanner set but some of them are from my Great Grand father my King Dicks fit like a glove but I had to order the socket for the head nuts , British cycle thread fits perfect , I have a non metric 1995 Bullet export 500 , metric is evil .