IMHO Rohn knows what they are doing .
the "dimpled " locking nut are not a new
Use then in the HD Truck industry for years
http://www.gatewayfasteners.com/nuts-center-lock-nuts-c-10_854.html?osCsid=gukq364sn8cn4jlif6172kpob1
IMH use them and if you feel it my cause rust a simple can of cold
galvanizing for the win ...
Wayne W3EA
> From: wa5rtg@gmail.com
> Date: Mon, 25 Jan 2016 20:38:22 -0600
> To: rxdesign@ssvecnet.com
> Subject: Re: [TowerTalk] Rohn Bolts AND nuts - won't mate
> CC: towertalk@contesting.com
>
> Gary,
>
> If I were you, instead of fighting it, I would buy galvanized (tapped
> oversize) hex nuts and use them instead of the locknuts. I don't know when
> they started using locknuts, but for decades they did not use them. There
> are thousands of towers installed without locknuts and without problems as a
> result.
>
> 73... Stan, K5GO
>
> > On Jan 25, 2016, at 8:03 PM, StellarCAT <rxdesign@ssvecnet.com> wrote:
> >
> > Sorry guys – I wasn’t clear ... the issue isn’t the bolt going in the hole.
> > I have a taper pin and I know how that is done .... the issue is the nut on
> > the bolt! IT won’t go on. It – the nut, has 3 dimples that Rohn now stamps
> > in to provide a locking mechanism. But its so aggressive that once the
> > dimpled part of the nut – the outside of the nut gets to the bolt you’re
> > done turning at least with the larger bolts. I don’t see how I can turn
> > this without some form of air wrench and then all the galvanizing is going
> > to be stripped off! I managed to get the nuts on the small ones in place –
> > small bolts that is – but it is pretty shiny where the threads are and not
> > sure there’s a great deal of zinc there.
> >
> > Gary
> > K9RX
> >
> >
> >
> > From: StellarCAT
> > Sent: Monday, January 25, 2016 5:24 PM
> > To: tower
> > Subject: Rohn Bolts
> >
> > I’ve done a good share of towers over the years – all R45 (soon that will
> > include a 55) ... both new and used ... and I’m starting to put a new tower
> > up at my new location. This is R45. It is used. I bought new Rohn (yes –
> > Rohn) bolts and I’ve never had bolts that were SO tight before. These have
> > a dimple on one side – actually a set of 3. I’m sure it’s a self locking
> > mechanism. You can’t thread them on at all starting with the dimpled face –
> > they won’t go – so I’m pretty sure I’m doing it the right way ... the small
> > bolts went on with lots of effort seeming to strip the galvanizing off the
> > bolt as they went on .. the large ones don’t want to go much more than when
> > the dimple gets on to the bolt.
> >
> > Is this correct? Should I expect this much effort now with their new bolts?
> > Boy if one had to put up a good deal of sticks in a day their arms would
> > feel it at the end of it. Hate to have to haul an air wrench up there :>)
> >
> > Gary
> > K9RX
> >
> > [I called Hill Radio, where I got the bolts, and they called Rohn while I
> > was on the phone (I didn’t talk to Rohn myself) ... Rohn says yeah they’re
> > tight but should be doable. They also said I’m probably putting them on
> > backwards – which isn’t possible as you can’t even thread them on on the
> > dimple side!]
> >
> > _______________________________________________
> >
> >
> >
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>
>
>
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