The Shop > Tools
At the auctions again
Darren:
Ah, got you Stew, hadn't noticed that, what a handy little device that is.....thank you for the pressie I can see me using it now :thumbup:
John, again you have opened my eyes, never seen or heard of them, and even if I spotted then I wouldn't have realised what they would be for. :clap:
I notice those linked are "All have #4-48 threads" Ok so mine must not be metric after all. I understand the 48=tpi but what is the #4 :scratch:
ozzie46:
Darren
The #4 refers to the the size of the screw or bolt in the small sizes over here, USA.
There are 2-56, 4-40 ect. There are several thread pitches to each "bolt/screw size.
Usually these sizes are below 1/8in.
Ron
Darren:
Thanks Ron, is that dia, or length...does the #4 have a relation to a measurement such as fractions of an inch or is just a code like letter drills?
ozzie46:
Darren as far as i Know it is just the dia. of them. Im no expert but they are common items over here in small screw/bolts. Sheet metal screws also use that designation for small sizes as well as machine screws.
Ron
bogstandard:
Darren,
I have now found them. You need to download the latest Chester catalogue (well worth it just for the drool factor).
http://www.chesteruk.net/images/catalogue_pages/Chester%20Machine%20Tools%204th%20Edition%20Small%20Tools%20Catalogue.pdf
Save the catalogue to your computer, and the bits are on page 81.
John
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