UDS chimneys?

Feel free to ask any questions, one of the experts will certainly respond, don't be afraid to ask anything, we were all beginners at some point.

Re: UDS chimneys?

Postby Kiska95 » 03 Aug 2015, 13:42

Teknik wrote:Just ordered these http://uk.rs-online.com/web/p/malleable ... s/2434196/ will let you know how i get on!


You will need 2 check nuts as they don't have a shoulder :)
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Re: UDS chimneys?

Postby Teknik » 03 Aug 2015, 15:47

Nah, drilled the hole .5mm too small and threaded it into the actual barrel!
Did the same with all my nipples, got them threaded into metal of the barrel itself, worked really well!
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Re: UDS chimneys?

Postby Kiska95 » 03 Aug 2015, 16:44

good shot mate!!! well worth knowing :D
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Re: UDS chimneys?

Postby essexsmoker » 06 Aug 2015, 12:23

I do that make a good tight fit. I have backnuts too though.
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Re: UDS chimneys?

Postby Teknik » 08 Aug 2015, 13:50

After a lot of research online i found that a 3/4" BSP threaded pipe will go into a 24.5/24.75mm hole (switching between metric and imperial i know!) so i've got a step drill that goes up to 32mm... drill in till you hit the 24mm hole then let the 26mm on graze the barrel to just smooth off the hole and give the thread a chance to purchase.
Worked perfectly on all 9 of my holes :D
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Re: UDS chimneys?

Postby Kiska95 » 08 Aug 2015, 14:27

Nice! Good advice Teknik as I have a similar step drill
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Re: UDS chimneys?

Postby essexsmoker » 09 Aug 2015, 07:35

You can get cone drill bits too which are stepless.
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Re: UDS chimneys?

Postby Teknik » 11 Aug 2015, 09:53

essexsmoker wrote:You can get cone drill bits too which are stepless.

I used a cone drill, its got steps in it so you know which one you've drilled up too :D
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Re: UDS chimneys?

Postby essexsmoker » 11 Aug 2015, 10:22

I call those step drills and stepless ones cone drills. Same difference.
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Re: UDS chimneys?

Postby Teknik » 11 Aug 2015, 10:30

Ahh, they are all on ebay as cone drills :P
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