[Milsurplus] China electronics prices

[bill.riches at verizon.net]

MFJ used a bunch of those connectors in their tuners.  Not nice

73,

Bill, WA2DVU
Cape May, NJ

-----Original Message-----
From: milsurplus-bounces at mailman.qth.net
[mailto:milsurplus-bounces at mailman.qth.net] On Behalf Of Kenneth G. Gordon
Sent: Friday, September 22, 2017 2:11 PM
To: ROLYNN PRECHTL <k7dfw at clatskanie.com>
Cc: Milsurplus at mailman.qth.net
Subject: Re: [Milsurplus] China electronics prices

On 22 Sep 2017 at 10:29, ROLYNN PRECHTL wrote:

> > > They probably just used a close metric threading. 
> 
> What I've found here is that the TPI is correct but that the plating 
> is too thick. Chasing the threads with a proper die removes the excess 
> plating and the PL-259s thread on correctly.
> 
> Rolynn

Then, obviously, how they "work" depends on which ones we are dealing with.

In my case, the threading STARTED fairly correctly, and the plating was not,
in my estimation, too thick, but the threads were "tapered" essentially on a
slight curve, so that the two pieces could never be properly tightened.

In addition, they "galled" when tightened to a certain point.

Possibly there are multiple problems with these.

Ken W7EKB                                                               


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