Jim.
I guess we see the same development as we saw around 1950 - 60 when the
Japanese products were coming to the market. Same lack of QA with disastrous
result. Eventually the Chinese will learn and we will get good products all
over the line from there too. In the mean time the US industries can catch up
and regain the market they lost due to various circumstances. (No political
discussions here, please!)
Best 73 de,
Hans - N2JFS
-----Original Message-----
From: Jim Thomson <jim.thom@telus.net>
To: towertalk <towertalk@contesting.com>
Sent: Fri, Jan 29, 2016 4:48 am
Subject: [TowerTalk] Rohn Bolts AND nuts - won't mate
Date: Thu, 28 Jan 2016 11:12:13 -0500From: Hans Hammarquist <hanslg@aol.com>To:
towertalk@contesting.comSubject: [TowerTalk] Fwd: Rohn Bolts AND nuts - won't
mateIs this just an other example of the Chinese lack of quality assurance?
I have seen mane examples of that in the past.It appears to me that the
"pimples" are made too deep.I find Rohn's answer despicable. They should just
send you a new set of nuts, nuts that they checked against their own
specifications.Hans – N2JFS
## Even Portland Bolt buys Chinese imported nuts + bolts. Some of it is
good, and some is junk. On a similar note, locally we are havingone of our 100
year old bridges replaced. Turning into a real gong show. Main contractor
just finished building a new bridge in VE3 land, which ended up getting shut
down for several days, bad expansion joints...in the middle of winter. No
alternate path either, so the trans canadagets cut off...... totally un
acceptable. Same contactor is building our new bridge downtown. His sub
contractor decides to buy steel, and nuts and boltsfrom china. This has turned
into a real disaster, with huge cost overuns, and junk material. The latest
is... you cant even weld to it !! WTF. Dunno what alloythey are using, buts
its not even close to what was originally speced. Huge sections of it have had
to be torn down and new replacement steel is no where in site.New bridge is not
expected to be functioning till late 2019, way behind schedule.
## Meanwhile, the head of the Canadian steel manufacturing, that represents
all the various steel manufacturers in VE3 land comes on TV...and sez....
told ya so. cdn steel makers could have easily supplied the correct steel, on
time,and on budget.But local city hall folks wanted to save 50 cents, and went
to the lowest bidder. So far, we have saved nothing, and will be in the hole
when all is said and done.Then to top it all off, the main contractor appears
to have no clue as to how to build a new bridge in the 1st place.
## I had the 12 x 60 inch long x 1.125 inch diam anchor bolts for my HDX-689
custom made by portland bolt, they were manufactured in their portland plant,to
my specs, with a 6 inch thread on each end of each rod...and are 103 ksi yield
strength. The various heavy duty nuts, washers, bolts etc, are also made in
theirplant. Including the 18 x 1 inch x 3 inch long bolts for the legs, with
correct length shank.
## when u see dimples done wrong, excess galvanizing, threads done wrong,
dont fight with it, replace the entire mess. And avoid chinese made brake
rotors like theplague, they come warped right out of the box, or will warp
shortly afterwards. Their calipers are junk as well. Im lucky I avoided
that gong show, and bought reputableaftermarket brands. Those pal nuts that
came with my rohn TB-4 bearings were nothing to right home about, and
neither were the bolts that came with them. The 3 x boltsthat are mounted
transverse, and every 120 degs were more junk. Mine rusted and seized up
asap, sri, not impressed. Jim VE7RF
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