If I'm not mistaken, 1/2" 6061-T6 aluminum tubing with two slots cut in it 180-degrees apart would do just about as nicely as anything for that.
Thanks,
Barry - N4BUQ
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Yes, that BNC T-wrench on ebay is yet another form of installer. I have two
different kinds from long ago, both commercial tools, but I have no ID or
source info. One is made just like a nut driver, but the business end is a
hollow cylinder with slots, that fits the outside. The other is a strange
looking socket that has the same type features, but is made to go on a 1/4"
square driver. I also built one way back, before I acquired the "real" ones.
I took a male cable-end type BNC, and soldered it into a stubby-handled nut
driver, in such a way that the outer ring was locked to the core. The
original driver tip was whatever hex size that the BNC end fit closely
enough to solder in. In use, it just goes on the female BNC as if it was a
cable, but allows holding the position or slight torquing for installation,
then unplugs just like a cable.
Be aware when using these things, that the BNC bayonet pins are not very
strong, and will easily deform or even shear off if over-torqued. The real
compression force and torque for installation should be applied to the nut
in the back, while the tool just keeps it from rotating out of the desired
pin position in the early tightening phase.
Ed
