DX Engineering has some that would work I think. It's a crimp on the
shield and a soldered center pin.
https://www.dxengineering.com/parts/dxe-pl259cs8u-12
Not sure if that would work for your application? I suspect that the
larger sized center pin needed for 50 ohms would make a crimp to the
center pin problematic on 75 ohm cable in a 50- ohm connector.
I've never used these connectors before but I might now that I see them.
Any cables I make up with PL-259 connectors i have been soldering both
the shield and the center pin. On the shield end I strip the jacket and
flux and tin the braid. Then I measure for center pin length, and use a
tubing cutter to cut the tinned shield to the right dimension, clean the
cut edge to remove any bits of metal and screw on the PL-259. After that
I remove the tip of a Weller 125 watt soldering gun and after fluxing
the 4 solder holes in the PL-259 I bridge the connector across the
soldering gun ends where the tip usually goes. The connector becomes the
tip, heats up quickly and a quick application of solder and its soldered
all around. I let it cool before moving it and then quickly solder the
center pin and trim it.
I've had good luck doing that over the years (so far).
For N connectors it's always a shield crimp but I solder the center pin on.
Rick Kunath, K9AO
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