Make a spigot for a lightstand: materials

I got a cheap E27 lamp socket holder with umbrella flash bracket from DealExtreme ( that I intended to use for an E7 type screw in flashlight.
When it arrived I was quite happy with it, but it was lacking one thing: The Spigot.

A Spigot is a pipe like device that can be screwed on to a light stand or tripod on which subsequently a light can be clamped. At one end it has an m4x20 (4 mm 20 threads/inch) nut and at the other end a slightly bigger nut (or screw if you have the male variety).
The M4x20 is the classic photo tripod screw.
Spigot's will not break the bank, they are to be found for about 6-10 euro's, but that is still a lot of money for what is basically a piece of brass, but they are not readily available where I live.

As it was a weekend (shops closed) and I had stuff laying around, I thought it should be easy to make one myself. As I only intend to use it on a regular tripod, I opted to only put one nut in there.
The M4x20  is not a common size here Europe as it is an american/AngloSaxon size. The threading on the bolts and nuts here is a bit tighther, but they are available if you look for them. I was in luck though as I had recently brought some from Singapore. However, they may easily be obtainable in your neck of the woods.

Anyway, here is the list of materials:
An M4x20 nut
About 5 cm brass/copper pipe 15mm diameter
A 15 mm end cap for that pipe
About 5 cm of 12 mm brass pipe
A 12 mm end cap  (optional)

dril with 5mm dril bit
solder torch
S39 soldering liquid

Steps: What we will be doing is the attach the nut in/on/to the 15 mm pipe and solder it there. We will put on an end cap with a hole in it that covers the nut with exception of where the screw goes. We will insert a smaller piece of pipe for extra support and that will be all soldered together. Then as a finishing touch, we will put on a small end cap at the other end.

For ease of understanding I added a little 'construction schedule'
Basically it is a piece of pipe with a smaller piece inserted in it, a not at one end and then two caps covering the ends. One of the caps has a hole so a bolt can be screwed into the nut

The construction may vary a bit, depending on what kind of nut you have. I had a square one, so I had to make a square recess, If you have a round nut, you may be able to fit it in the 15 mm tube

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