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NX-800 Stuck Mounting Screws with Broken Off Heads

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Feb 1, 2015
Wheaton, IL
Hello, everyone.

I know I can't possibly be the only one who has experienced this issue before, and this is not the first time I have seen this with our company radios.

I pulled another radio out of one of our buses going to auction. It was mounted sideways with two screws holding it into the bracket up top. It was a terrible installation that will never be repeated. Anyway, at some point, some yahoo completely messed this radio up by over-tightening both mounting screws on the other side of the unit and snapping off the heads. It looks like someone tried to get them out already. Maybe tried to drill new mounting holes. Needless to say, it can't be properly mounted.

Does anyone know what the best option is as far as a professional I can take it to to have the screws drilled out? The people at my work who have tried in the past with other radios have only messed them up worse. It's obviously a tricky job that requires some specific tools. Would a Kenwood dealer be prepared for a job like this?



I ♥ Ø
Jul 27, 2005
I am a lineman for the county.
Had that happen on an old Icom mobile once. Cheap screws….

If it was me, I'd probably do one of a couple of things….
Replace the chassis. I'm sure you've got a few old/dead radios kicking around. The TK-x180 and NX-x00 radios use the same chassis, so you could just swap it out.

Drill and tap a new mounting screw hole. But you'd need to be careful not to drill too far. You'll also need to drill the mounting bracket. It's aluminum, so it's going to be soft. That makes it easy to machine, but easy to jack up the threads.

You could try drilling out the old screws. The make left hand twist drill bits for this sort of stuff. Spinning the drill in the opposite direction keeps it from binding in tighter as you drill. With some luck, you can even back the screw out that way. If not, use the left hand twist drill to make a hole, then use an easy-out to back the screw out.

Then take the wrench away from whoever installed it.
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