Hi Garry,
Using rivets and a hand rivet tool can work quite well and does a nice, clean
job. Maybe just use a slotted end with hose clam on each end tube for
adjustment. I have a 6 meter first director that a friend made for me on my
Steppir antenna and it really looks great.
Terry
KI7M
> On May 8, 2019 at 6:08 PM Garry via TowerTalk <[email protected]>
> wrote:
>
>
> Greetings all,
> I am rebuilding a 17 meter beam I built about 35 years ago. At the time I
> used slots and hose clamps where fastening element sections together but this
> time I am going to use sheet metal screws. My tubing sizes will taper from
> 1.125" down to .625" in 5 sections per side.
> I can't find any information on what size screws to use unless I'm just
> looking over it. I have seen a recommendation to use hex head screws rather
> than typical flat blade or phillips head due to possible damage to the screw
> head but nothing on screw size. I also wonder if self tapping would be a
> better option than standard sheet metal type.
> Any thoughts will be most appreciated.
> Thanks & 73,Garry - K4OR
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