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Re: Help finding a screw thread

Posted: Wed Feb 26, 2014 6:27 pm
by Charlie Muggins
I'd doubt you'd find a 5-40 UNC at your local hardware store Gaz. Tapered M3.5 are used to hold electrical sockets onto backing boxes though so if they fit and you can't find anything better I'll bring my bodging ahhh fettling kit along on Sat.

Re: Help finding a screw thread

Posted: Wed Feb 26, 2014 6:34 pm
by greenshoots
have a word with scott

http://www.customscrewsandmore.com/

greenshoots

Re: Help finding a screw thread

Posted: Wed Feb 26, 2014 6:39 pm
by Mattnall
Stick "5-40unc" in to a popular auction site and you'll get all manner of hits, pick the one you like the most.

Re: Help finding a screw thread

Posted: Wed Feb 26, 2014 8:11 pm
by Meaty
Gaz,
All UNC screws are getting difficult to get hold of now (not as bad as BSF thou!) Best places to try are old fashioned engineering works or places that restore/tinker with old British machinery. Failing that, I reckon Fultons would be able to locate something if they feel inclined to have a rummage in their dusty old drawers!
There are some here http://www.modelfixings.co.uk/unc_cap_screws.htm-about half way down the page. Sods law is that the thread wont be long enough so you might want to buy a couple of screws and a die nut from Eb@y and have a play. Check out a chap called 'enfieldlock' on there as well.
Good luck.

Re: Help finding a screw thread

Posted: Wed Feb 26, 2014 8:16 pm
by Meaty
PS
I have an un-issued and unused spare PH L81A1 sight if it would fit and is any use to you?

Re: Help finding a screw thread

Posted: Wed Feb 26, 2014 8:18 pm
by rox
Meaty wrote:Gaz,
All UNC screws are getting difficult to get hold of now
There are some here http://www.modelfixings.co.uk/unc_cap_screws.htm-about half way down the page.
I've had success with Modelfixings too. Another one that often comes up with the goods and is close to Bisley is AHC in Camberley. They have a great selection and I've been in there many times with bits of a gun asking for a screw to fit such and such. Always very helpful.

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Re: Help finding a screw thread

Posted: Wed Feb 26, 2014 8:21 pm
by GazMorris
rox wrote:They have a great selection and I've been in there many times with bits of a gun asking for a screw to fit such and such. Always very helpful...
That piece of crap meccano stock you use keep falling apart on you, eh rox?

Gaz

Re: Help finding a screw thread

Posted: Wed Feb 26, 2014 8:33 pm
by rox
GazMorris wrote:That piece of crap meccano stock you use keep falling apart on you, eh rox?
No, my brilliant Swiss-engineered stock hasn't given me any trouble. It's usually the British-made stuff that's attached to it that causes the problems (NO I DO NOT MEAN THE SHOOTER!).

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